AXP818 datasheet Revision1.0.pdf

发布时间：2022-05-31 发布人：admin 分类：说明书资料大小：3.34M 资料格式：pdf 举报版权申诉

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Revision History

Declaration

Catalog

1 Overview

2 Feature

3 Power Management Typical Application

4 Ball Map

5 Ball Description

6 Block Diagram

6.1 Power management Block Diagram

6.2 Codec Functional Block Diagram

6.3 Codec Data Path Diagram

7 Absolute Maximum Ratings

8 Electrical Characteristics

9 Analog Performance Characteristics

10 Typical Power Consumption

11 Power Management Control and operation

11.1 Power on/off and sleep/wakeup

11.1.1 Power on/off sources

11.1.2 Sleep and wakeup

11.2 IPS (Intelligent Power Select)

11.2.1 IPS overview

11.2.2 IPSOUT source selection

11.2.3 ACIN current/voltage limitation

11.2.4 VBUS current/voltage limitation

11.2.4 ACIN input overvoltage protection

11.2.5 VBUS input overvoltage protection

11.2.6 ACIN insertion power up condition

11.2.7 VBUS insertion power up condition

11.3 BC Detection Module

11.4 Adaptive PWM Charger

11.4.1 Charger Overview

11.4.2 Charging start and stop

11.4.3 Timeout activity

11.4.4 CHGLED activity

11.4.5 Battery detection

11.4.6 Temperature protection

11.5 Multi-Power Outputs

11.6 ADC

11.7 Fuel Gauge

11.8 Interrupt Controller

12 Codec Function Description

12.1 Power

12.2 Clock

12.3 PLL

12.4 I2S/PCM Interface

12.5 Stereo ADC

12.6 Stereo DAC

12.7 Mixer

12.7.1 DAC Output Mixers

12.7.2 ADC Record Mixers

12.7.3 Digital Mixers

12.8 Analogue Audio Input Path

12.8.1 Microphone Input

12.8.2 AXIL/R Input

12.8.3 LINEINL/R Input

12.9 Analogue Audio Output Path

12.9.1 Headphone Output

12.9.2 Earpiece Output

12.9.3 Speaker Output

12.9.4 Line Output

12.10 Digital Microphone Interface

12.11 Audio Jack Detect

12.13 Interrupt

12.14 Digital Audio Process for ADC

12.14.1 High Pass Filter

12.14.2 Auto Gain Control

12.15 Digital Audio Process for DAC

12.15.1 High Pass Filter

12.15.2 Dynamic Range Control

12.16 RTC Module

13 TWSI/RSB Interface

13.1 TWSI Interface

13.2 RSB Interface

14 Power Management Register

REG 00H: Power source status

REG 01H: Power mode and Charger status

REG 02H: Power up/down reason register

REG 03H: IC type no

REG 04-0FH: 12 Data buffers

REG 10H: Output power on-off control 1

REG 12H: Output power on-off control 2

REG 13H: Output power on-off control 3

REG 14H: On/Off synchronous control

REG 15H: DLDO1 voltage control

REG 16H: DLDO2 voltage control

REG 17H: DLDO3 voltage control

REG 18H: DLDO4 voltage control

REG 19H: ELDO1 voltage control

REG 1AH: ELDO2 voltage control

REG 1BH: ELDO3 voltage control

REG 1CH: FLDO1 voltage control

REG 1DH: FLDO2/3 voltage control

REG 20H: DCDC1 voltage control

REG 21H: DCDC2 voltage control

REG 22H: DCDC3 voltage control

REG 23H: DCDC4 voltage control

REG 24H: DCDC5 voltage control

REG 25H: DCDC6 voltage control

REG 26H: DCDC7 voltage control

REG 27H: DCDC2 /3 /4 /5 /6/7 DVM control

REG 28H: ALDO1 voltage control

REG 29H: ALDO2 voltage control

REG 2AH: ALDO3 voltage control

REG 2CH: BC Module Global Register

REG 2DH: BC Module VBUS Control and Status Register

REG 2EH: BC USB Status Register

REG 2FH: BC Detect Status Register

REG 30H: VBUS path control & Hold voltage setting

REG 31H: Power wakeup control & VOFF setting

REG 32H: Power Disable, BAT detect and CHGLED pin control

REG 33H: Charger Control 1

REG 34H: Charger Control 2

REG 35H: Charger Control 3

REG 36H: POK setting

REG 37H: POK Power off activity time setting

REG 38H: VLTF-charge setting

REG 39H: VHTF-charge setting

REG 3AH: ACIN path control

REG 3BH: Buck frequency setting

REG 3CH: VLTF-work setting

REG 3DH: VHTF-work setting

REG 40H: IRQ enable 1

REG 41H: IRQ enable 2

REG 42H: IRQ enable 3

REG 43H: IRQ enable 4

REG 44H: IRQ enable 5

REG 45H: IRQ enable 6

REG 48H: IRQ Status 1

REG 49H: IRQ Status 2

REG 4AH: IRQ Status 3

REG 4BH: IRQ Status 4

REG 4CH: IRQ Status 5

REG 4DH: IRQ Status 6

REG 58H: TS pin input ADC data, highest 8bit

REG 59H: TS pin input ADC data, lowest 4bit

REG 5AH: GPADC pin input ADC data, highest 8bit

REG 5BH: GPADC pin input ADC data, lowest 4bit

REG 78H: Average data bit[11:4] for Battery voltage (BATSENSE)

REG 79H: Average data bit[3:0] for Battery voltage (BATSENSE)

REG 7AH: Average data bit[11:4] for Battery charge current

REG 7BH: Average data bit[3:0] for Battery charge current

REG 7CH: Average data bit[11:4] for Battery discharge current

REG 7DH: Average data bit[3:0] for Battery discharge current

REG 80H: Buck PWM/PFM mode select

REG 81H: Off-Discharge and Output monitor control

REG 82H: ADC Enable

REG 84H: ADC speed setting, TS pin Control

REG 85H: ADC speed setting

REG 8AH: Timer control

REG 8EH: Buck output voltage monitor de-bounce time setting

REG 8FH: IRQ pin, hot-over shut down

REG 90H: GPIO0 (GPADC) control

REG 91H: GPIO0LDO and GPIO0 high level voltage setting

REG 92H: GPIO1 control

REG 93H: GPIO1LDO and GPIO1 high level voltage setting

REG 94H: GPIO signal bit

REG 97H: GPIO pull down control

REG A0H: Real time data bit[11:4] for Battery voltage (BATSENSE)

REG A1H: Real time data bit[3:0] for Battery voltage (BATSENSE)

REG B8H: Fuel Gauge Control

REG B9H: Battery capacity percentage for indication

REG BAH: RDC 1

REG BBH: RDC 0

REG BCH: OCV 1

REG BDH: OCV0

REG E0H: Battery maximum capacity

REG E1H: Battery maximum capacity

REG E2H: Coulomb meter counter1

REG E3H: Coulomb meter counter2

REG E4H: OCV Percentage of battery capacity

REG E5H: Coulomb meter percentage of battery capacity

REG E6H: Battery capacity percentage warning level

REG E8H: Fuel gauge tuning control 0

REG E9H: Fuel gauge tuning control 1

REG EAH: Fuel gauge tuning control 2

REG EBH: Fuel gauge tuning control 3

REG ECH: Fuel gauge tuning control 4

REG EDH: Fuel gauge tuning control 5

15 Codec Register

REG 00H_Chip Soft Reset Register

REG 01H_PLL Configure Control 1 Register

REG 02H_PLL Configure Control 2 Register

REG 03H_System Clocking Control Register

REG 04H_Module Clock Enable Control Register

REG 05H_Module Reset Control Register

REG 06H_ADDA Sample Rate Configuration Register

REG 10H_I2S1 BCLK/LRCK Control Register

REG 11H_I2S1 SDOUT Control Register

REG 12H_I2S1 SDIN Control Register

REG 13H_I2S1 Digital Mixer Source Select Register

REG 14H_I2S1 Volume Control 1 Register

REG 15H_I2S1 Volume Control 2 Register

REG 16H_I2S1 Volume Control 3 Register

REG 17H_I2S1 Volume Control 4 Register

REG 18H_I2S1 Digital Mixer Gain Control Register

REG 20H_I2S2 BCLK/LRCK Control Register

REG 21H_I2S2 SDOUT Control Register

REG 22H_I2S2 SDIN Control Register

REG 23H_I2S2 Digital Mixer Source Select Register

REG 24H_I2S2 Volume Control 1 Register

REG 26H_I2S2 Volume Control 2 Register

REG 28H_I2S2 Digital Mixer Gain Control Register

REG 30H_I2S3 BCLK/LRCK Control Register

REG 31H_I2S3 SDOUT Control Register

REG 32H_I2S3 SDIN Control Register

REG 33H_I2S3 Signal Path Control Register

REG 40H_ADC Digital Control Register

REG 41H_ADC Volume Control Register

REG 44H_HMIC Control 1 Register

REG 45H_HMIC Control 2 Register

REG 46H_HMIC Status Register

REG 48H_DAC Digital Control Register

REG 49H_DAC Volume Control Register

REG 4CH_DAC Digital Mixer Source Select Register

REG 4DH_DAC Digital Mixer Gain Control Register

REG 50H_ADC Analog Control Register

REG 51H_ADC Source Select Register

REG 52H_ADC Source Boost Control Register

REG 53H_Output Mixer & DAC Analog Control Register

REG 54H_Output Mixer Source Select Register

REG 55H_Output Mixer Source Boost Register

REG 56H_Headphone Output Control Register

REG 57H_Earpiece Output Control Register

REG 58H_Speaker Output Control Register

REG 59H_Lineout Control Register

REG 80H_ADC DAP Left Status Register

REG 81H_ADC DAP Right Status Register

REG 82H_ADC DAP Left Channel Control Register

REG 83H_ADC DAP Right Channel Control Register

REG 84H_ADC DAP Left Target Level Register

REG 85H_ADC DAP Right Target Level Register

REG 86H_ADC DAP Left High Average Coef Register

REG 87H_ADC DAP Left Low Average Coef Register

REG 88H_ADC DAP Right High Average Coef Register

REG 89H_ADC DAP Right Low Average Coef Register

REG 8AH_ADC DAP Left Decay Time Register

REG 8BH_ADC DAP Left Attack Time Register

REG 8CH_ADC DAP Right Decay Time Register

REG 8DH_ADC DAP Right Attack Time Register

REG 8EH_ADC DAP Noise Threshold Register

REG 8FH_ADC DAP Left Input Signal High Average Coef Register

REG 90H_ADC DAP Left Input Signal Low Average Coef Register

REG 91H_ADC DAP Right Input Signal High Average Coef Register

REG 92H_ADC DAP Right Input Signal Low Average Coef Register

REG 93H_ADC DAP High HPF Coef Register

REG 94H_ADC DAP Low HPF Coef Register

REG 95H_ADC DAP Optimum Register

REG A0H_DAC DAP Control Register

REG A1H_DAC DAP High HPF Coef Register

REG A2H_DAC DAP Low HPF Coef Register

REG A3H_DAC DAP Left High Energy Average Coef Register

REG A4H_DAC DAP Left Low Energy Average Coef Register

REG A5H_DAC DAP Right High Energy Average Coef Register

REG A6H_DAC DAP Right Low Energy Average Coef Register

REG A7H_DAC DAP High Gain Decay Time Coef Register

REG A8H_DAC DAP Low Gain Decay Time Coef Register

REG A9H_DAC DAP High Gain Attack Time Coef Register

REG AAH_DAC DAP Low Gain Decay Time Coef Register

REG ABH_DAC DAP High Energy Threshold Register

REG ACH_DAC DAP Low Energy Threshold Register

REG ADH_DAC DAP High Gain K Parameter Register

REG AEH_DAC DAP Low Gain K Parameter Register

REG AFH_DAC DAP High Gain Offset Parameter Register

REG B0H_DAC DAP Low Gain Offset Parameter Register

REG B1H _DAC DAP Optimum Register

REG B4H_ADC DAP Enable Register

REG B5H_DAC DAP Enable Register

REG B8H_SRC1 Control 1 Register

REG B9H_SRC1 Control 2 Register

REG BAH_SRC1 Control 3 Register

REG BBH_SRC1 Control 4 Register

REG BCH_SRC2 Control 1 Register

REG BDH_SRC2 Control 2 Register

REG BEH_SRC2 Control 3 Register

REG BFH_SRC2 Control 4 Register

REG C0H_RTC Analog Control Register

REG C1H_CK32K Output Control Register 1

REG C2H_CK32K Output Control Register 2

REG C3H_CK32K Output Control Register 3

REG C6H_RTC Reset Register

REG C7H_RTC Control Register

REG C8H_RTC Seconds Register

REG C9H_RTC Minutes Register

REG CAH_RTC Hours Register

REG CBH_RTC Weekdays Register

REG CCH_RTC Days Register

REG CDH_RTC Months Register

REG CEH_RTC Years Register

REG CFH_RTC Update Trigger

REG D0H_Alarm Interrupt Enable Register

REG D1H_Alarm Interrupt Status Register

REG D8H_Alarm Seconds Register

REG D9H_Alarm Minutes Register

REG DAH_Alarm Hours Register

REG DBH_Alarm Weekdays Register

REG DCH_Alarm Days Register

REG DDH_Alarm Months Register

REG DEH_Alarm Years Register

REG DFH_Alarm Update Trigger

REG E0H-EFH RTC General Purpose Register n(n=0-15)

16 Package

X-Powers AXP818 Datasheet AXP818 Optimized For Multi-Core High-Performance System Revision 1.0 2014.09.12 confidential

AXP818 AXP818 Optimized For Multi-Core High-Performance System Revision History Revision Rev 1.0 Date 2014.09.12 Description Release Version1.0 AXP818 Datasheet V1.0 Copyright © 2014 X-Powers Limited. All Rights Reserved. 2 confidential

AXP818 AXP818 Optimized For Multi-Core High-Performance System Declaration X-Powers cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an X-Powers product. No circuit patent licenses, copyrights, or other intellectual property rights are implied. X-Powers reserves the right to make changes to the specifications and products at any time without notice. AXP818 Datasheet V1.0 Copyright © 2014 X-Powers Limited. All Rights Reserved. 3 confidential

AXP818 AXP818 Optimized For Multi-Core High-Performance System Catalog REVISION HISTORY ............................................................................................................................................................................ 2 DECLARATION ................................................................................................................................................................................... 3 CATALOG ........................................................................................................................................................................................... 4 1 OVERVIEW ................................................................................................................................................................................... 13 2 FEATURE ....................................................................................................................................................................................... 14 3 POWER MANAGEMENT TYPICAL APPLICATION ............................................................................................................................ 16 4 BALL MAP .................................................................................................................................................................................... 17 5 BALL DESCRIPTION ....................................................................................................................................................................... 18 6 BLOCK DIAGRAM .......................................................................................................................................................................... 25 6.1 POWER MANAGEMENT BLOCK DIAGRAM................................................................................................................................................. 25 6.2 CODEC FUNCTIONAL BLOCK DIAGRAM .................................................................................................................................................... 26 6.3 CODEC DATA PATH DIAGRAM ................................................................................................................................................................ 27 7 ABSOLUTE MAXIMUM RATINGS ................................................................................................................................................... 28 8 ELECTRICAL CHARACTERISTICS ..................................................................................................................................................... 29 9 ANALOG PERFORMANCE CHARACTERISTICS ................................................................................................................................ 37 10 TYPICAL POWER CONSUMPTION ................................................................................................................................................ 40 11 POWER MANAGEMENT CONTROL AND OPERATION .................................................................................................................. 41 11.1 POWER ON/OFF AND SLEEP/WAKEUP ................................................................................................................................................... 41 11.1.1 Power on/off sources ............................................................................................................................................................ 41 11.1.2 Sleep and wakeup ................................................................................................................................................................. 43 11.2 IPS (INTELLIGENT POWER SELECT) ....................................................................................................................................................... 45 11.2.1 IPS overview ......................................................................................................................................................................... 45 11.2.2 IPSOUT source selection ....................................................................................................................................................... 46 11.2.3 ACIN current/voltage limitation ........................................................................................................................................... 47 11.2.4 VBUS current/voltage limitation .......................................................................................................................................... 47 11.2.4 ACIN input overvoltage protection ....................................................................................................................................... 49 11.2.5 VBUS input overvoltage protection ...................................................................................................................................... 50 11.2.6 ACIN insertion power up condition ....................................................................................................................................... 50 11.2.7 VBUS insertion power up condition ...................................................................................................................................... 50 11.3 BC DETECTION MODULE.................................................................................................................................................................... 50 AXP818 Datasheet V1.0 Copyright © 2014 X-Powers Limited. All Rights Reserved. 4 confidential

AXP818 AXP818 Optimized For Multi-Core High-Performance System 11.4 ADAPTIVE PWM CHARGER ................................................................................................................................................................ 51 11.4.1 Charger Overview ................................................................................................................................................................. 51 11.4.2 Charging start and stop ........................................................................................................................................................ 51 11.4.3 Timeout activity ................................................................................................................................................................... 52 11.4.4 CHGLED activity .................................................................................................................................................................... 52 11.4.5 Battery detection .................................................................................................................................................................. 53 11.4.6 Temperature protection ........................................................................................................................................................ 53 11.5 MULTI-POWER OUTPUTS ................................................................................................................................................................... 56 11.6 ADC .............................................................................................................................................................................................. 57 11.7 FUEL GAUGE .................................................................................................................................................................................... 58 11.8 INTERRUPT CONTROLLER .................................................................................................................................................................... 59 12 CODEC FUNCTION DESCRIPTION ................................................................................................................................................ 60 12.1 POWER ........................................................................................................................................................................................... 60 12.2 CLOCK ............................................................................................................................................................................................ 60 12.3 PLL ............................................................................................................................................................................................... 62 12.4 I2S/PCM INTERFACE ........................................................................................................................................................................ 63 12.5 STEREO ADC ................................................................................................................................................................................... 66 12.6 STEREO DAC ................................................................................................................................................................................... 66 12.7 MIXER ............................................................................................................................................................................................ 66 12.7.1 DAC Output Mixers ............................................................................................................................................................... 66 12.7.2 ADC Record Mixers ............................................................................................................................................................... 66 12.7.3 Digital Mixers ....................................................................................................................................................................... 67 12.8 ANALOGUE AUDIO INPUT PATH ........................................................................................................................................................... 68 12.8.1 Microphone Input ................................................................................................................................................................. 68 12.8.2 AXIL/R Input ......................................................................................................................................................................... 68 12.8.3 LINEINL/R Input .................................................................................................................................................................... 69 12.9 ANALOGUE AUDIO OUTPUT PATH ........................................................................................................................................................ 69 12.9.1 Headphone Output ............................................................................................................................................................... 69 12.9.2 Earpiece Output .................................................................................................................................................................... 70 12.9.3 Speaker Output ..................................................................................................................................................................... 70 12.9.4 Line Output ........................................................................................................................................................................... 70 12.10 DIGITAL MICROPHONE INTERFACE ...................................................................................................................................................... 71 12.11 AUDIO JACK DETECT ........................................................................................................................................................................ 72 12.13 INTERRUPT .................................................................................................................................................................................... 73 12.14 DIGITAL AUDIO PROCESS FOR ADC .................................................................................................................................................... 74 12.14.1 High Pass Filter ................................................................................................................................................................... 75 12.14.2 Auto Gain Control ............................................................................................................................................................... 75 12.15 DIGITAL AUDIO PROCESS FOR DAC .................................................................................................................................................... 78 12.15.1 High Pass Filter ................................................................................................................................................................... 79 5 AXP818 Datasheet V1.0 Copyright © 2014 X-Powers Limited. All Rights Reserved. confidential

AXP818 AXP818 Optimized For Multi-Core High-Performance System 12.15.2 Dynamic Range Control ...................................................................................................................................................... 79 12.16 RTC MODULE ................................................................................................................................................................................ 82 13 TWSI/RSB INTERFACE ................................................................................................................................................................. 83 13.1 TWSI INTERFACE .............................................................................................................................................................................. 83 13.2 RSB INTERFACE ................................................................................................................................................................................ 84 14 POWER MANAGEMENT REGISTER .............................................................................................................................................. 86 REGISTER LIST .......................................................................................................................................................................................... 86 REG 00H: POWER SOURCE STATUS.............................................................................................................................................................. 88 REG 01H: POWER MODE AND CHARGER STATUS ............................................................................................................................................ 89 REG 02H: POWER UP/DOWN REASON REGISTER ............................................................................................................................................ 89 REG 03H: IC TYPE NO .............................................................................................................................................................................. 90 REG 04-0FH: 12 DATA BUFFERS ................................................................................................................................................................ 90 REG 10H: OUTPUT POWER ON-OFF CONTROL 1 ............................................................................................................................................ 90 REG 12H: OUTPUT POWER ON-OFF CONTROL 2 ............................................................................................................................................ 90 REG 13H: OUTPUT POWER ON-OFF CONTROL 3 ............................................................................................................................................ 91 REG 14H: ON/OFF SYNCHRONOUS CONTROL ............................................................................................................................................... 91 REG 15H: DLDO1 VOLTAGE CONTROL ........................................................................................................................................................ 92 REG 16H: DLDO2 VOLTAGE CONTROL ........................................................................................................................................................ 92 REG 17H: DLDO3 VOLTAGE CONTROL ........................................................................................................................................................ 92 REG 18H: DLDO4 VOLTAGE CONTROL ........................................................................................................................................................ 92 REG 19H: ELDO1 VOLTAGE CONTROL ......................................................................................................................................................... 93 REG 1AH: ELDO2 VOLTAGE CONTROL ......................................................................................................................................................... 93 REG 1BH: ELDO3 VOLTAGE CONTROL ......................................................................................................................................................... 93 REG 1CH: FLDO1 VOLTAGE CONTROL ......................................................................................................................................................... 93 REG 1DH: FLDO2/3 VOLTAGE CONTROL ...................................................................................................................................................... 94 REG 20H: DCDC1 VOLTAGE CONTROL ........................................................................................................................................................ 94 REG 21H: DCDC2 VOLTAGE CONTROL ........................................................................................................................................................ 94 REG 22H: DCDC3 VOLTAGE CONTROL ........................................................................................................................................................ 95 REG 23H: DCDC4 VOLTAGE CONTROL ........................................................................................................................................................ 95 REG 24H: DCDC5 VOLTAGE CONTROL ........................................................................................................................................................ 95 REG 25H: DCDC6 VOLTAGE CONTROL ........................................................................................................................................................ 95 REG 26H: DCDC7 VOLTAGE CONTROL ........................................................................................................................................................ 96 REG 27H: DCDC2 /3 /4 /5 /6/7 DVM CONTROL .......................................................................................................................................... 96 REG 28H: ALDO1 VOLTAGE CONTROL ........................................................................................................................................................ 97 REG 29H: ALDO2 VOLTAGE CONTROL ........................................................................................................................................................ 97 REG 2AH: ALDO3 VOLTAGE CONTROL ........................................................................................................................................................ 97 REG 2CH: BC MODULE GLOBAL REGISTER ................................................................................................................................................... 97 REG 2DH: BC MODULE VBUS CONTROL AND STATUS REGISTER ...................................................................................................................... 98 AXP818 Datasheet V1.0 Copyright © 2014 X-Powers Limited. All Rights Reserved. 6 confidential

AXP818 AXP818 Optimized For Multi-Core High-Performance System REG 2EH: BC USB STATUS REGISTER .......................................................................................................................................................... 99 REG 2FH: BC DETECT STATUS REGISTER .................................................................................................................................................... 100 REG 30H: VBUS PATH CONTROL & HOLD VOLTAGE SETTING .......................................................................................................................... 100 REG 31H: POWER WAKEUP CONTROL & VOFF SETTING ................................................................................................................................. 101 REG 32H: POWER DISABLE, BAT DETECT AND CHGLED PIN CONTROL ............................................................................................................ 101 REG 33H: CHARGER CONTROL 1 .............................................................................................................................................................. 102 REG 34H: CHARGER CONTROL 2 .............................................................................................................................................................. 102 REG 35H: CHARGER CONTROL 3 .............................................................................................................................................................. 102 REG 36H: POK SETTING ......................................................................................................................................................................... 103 REG 37H: POK POWER OFF ACTIVITY TIME SETTING .................................................................................................................................... 103 REG 38H: VLTF-CHARGE SETTING .................................................................................................................................................................. 103 REG 39H: VHTF-CHARGE SETTING.................................................................................................................................................................. 104 REG 3AH: ACIN PATH CONTROL .............................................................................................................................................................. 104 REG 3BH: BUCK FREQUENCY SETTING ....................................................................................................................................................... 104 REG 3CH: VLTF-WORK SETTING .................................................................................................................................................................... 105 REG 3DH: VHTF-WORK SETTING ................................................................................................................................................................... 105 REG 40H: IRQ ENABLE 1 ........................................................................................................................................................................ 105 REG 41H: IRQ ENABLE 2 ........................................................................................................................................................................ 105 REG 42H: IRQ ENABLE 3 ........................................................................................................................................................................ 106 REG 43H: IRQ ENABLE 4 ........................................................................................................................................................................ 106 REG 44H: IRQ ENABLE 5 ........................................................................................................................................................................ 106 REG 45H: IRQ ENABLE 6 ........................................................................................................................................................................ 107 REG 48H: IRQ STATUS 1 ........................................................................................................................................................................ 107 REG 49H: IRQ STATUS 2 ........................................................................................................................................................................ 108 REG 4AH: IRQ STATUS 3 ........................................................................................................................................................................ 108 REG 4BH: IRQ STATUS 4 ........................................................................................................................................................................ 108 REG 4CH: IRQ STATUS 5 ........................................................................................................................................................................ 109 REG 4DH: IRQ STATUS 6 ........................................................................................................................................................................ 109 REG 58H: TS PIN INPUT ADC DATA, HIGHEST 8BIT ....................................................................................................................................... 109 REG 59H: TS PIN INPUT ADC DATA, LOWEST 4BIT ....................................................................................................................................... 110 REG 5AH: GPADC PIN INPUT ADC DATA, HIGHEST 8BIT ............................................................................................................................... 110 REG 5BH: GPADC PIN INPUT ADC DATA, LOWEST 4BIT ................................................................................................................................ 110 REG 78H: AVERAGE DATA BIT[11:4] FOR BATTERY VOLTAGE (BATSENSE) ....................................................................................................... 110 REG 79H: AVERAGE DATA BIT[3:0] FOR BATTERY VOLTAGE (BATSENSE) ......................................................................................................... 111 REG 7AH: AVERAGE DATA BIT[11:4] FOR BATTERY CHARGE CURRENT .............................................................................................................. 111 REG 7BH: AVERAGE DATA BIT[3:0] FOR BATTERY CHARGE CURRENT ................................................................................................................ 111 REG 7CH: AVERAGE DATA BIT[11:4] FOR BATTERY DISCHARGE CURRENT .......................................................................................................... 111 REG 7DH: AVERAGE DATA BIT[3:0] FOR BATTERY DISCHARGE CURRENT ........................................................................................................... 111 REG 80H: BUCK PWM/PFM MODE SELECT .............................................................................................................................................. 112 AXP818 Datasheet V1.0 Copyright © 2014 X-Powers Limited. All Rights Reserved. 7 confidential

AXP818 AXP818 Optimized For Multi-Core High-Performance System REG 81H: OFF-DISCHARGE AND OUTPUT MONITOR CONTROL ....................................................................................................................... 112 REG 82H: ADC ENABLE ......................................................................................................................................................................... 113 REG 84H: ADC SPEED SETTING, TS PIN CONTROL ....................................................................................................................................... 113 REG 85H: ADC SPEED SETTING ................................................................................................................................................................ 114 REG 8AH: TIMER CONTROL ..................................................................................................................................................................... 114 REG 8EH: BUCK OUTPUT VOLTAGE MONITOR DE-BOUNCE TIME SETTING .......................................................................................................... 114 REG 8FH: IRQ PIN, HOT-OVER SHUT DOWN................................................................................................................................................ 115 REG 90H: GPIO0 (GPADC) CONTROL ..................................................................................................................................................... 115 REG 91H: GPIO0LDO AND GPIO0 HIGH LEVEL VOLTAGE SETTING ................................................................................................................. 115 REG 92H: GPIO1 CONTROL .................................................................................................................................................................... 116 REG 93H: GPIO1LDO AND GPIO1 HIGH LEVEL VOLTAGE SETTING ................................................................................................................. 116 REG 94H: GPIO SIGNAL BIT .................................................................................................................................................................... 116 REG 97H: GPIO PULL DOWN CONTROL ..................................................................................................................................................... 117 REG A0H: REAL TIME DATA BIT[11:4] FOR BATTERY VOLTAGE (BATSENSE) ..................................................................................................... 117 REG A1H: REAL TIME DATA BIT[3:0] FOR BATTERY VOLTAGE (BATSENSE) ....................................................................................................... 117 REG B8H: FUEL GAUGE CONTROL ............................................................................................................................................................ 117 REG B9H: BATTERY CAPACITY PERCENTAGE FOR INDICATION........................................................................................................................... 118 REG BAH: RDC 1 ................................................................................................................................................................................. 118 REG BBH: RDC 0 ................................................................................................................................................................................. 119 REG BCH: OCV 1 ................................................................................................................................................................................. 119 REG BDH: OCV0 .................................................................................................................................................................................. 119 REG E0H: BATTERY MAXIMUM CAPACITY ................................................................................................................................................... 119 REG E1H: BATTERY MAXIMUM CAPACITY ................................................................................................................................................... 119 REG E2H: COULOMB METER COUNTER1 .................................................................................................................................................... 120 REG E3H: COULOMB METER COUNTER2 .................................................................................................................................................... 120 REG E4H: OCV PERCENTAGE OF BATTERY CAPACITY ..................................................................................................................................... 120 REG E5H: COULOMB METER PERCENTAGE OF BATTERY CAPACITY .................................................................................................................... 120 REG E6H: BATTERY CAPACITY PERCENTAGE WARNING LEVEL ........................................................................................................................... 121 REG E8H: FUEL GAUGE TUNING CONTROL 0 ............................................................................................................................................... 121 REG E9H: FUEL GAUGE TUNING CONTROL 1 ............................................................................................................................................... 121 REG EAH: FUEL GAUGE TUNING CONTROL 2 ............................................................................................................................................... 122 REG EBH: FUEL GAUGE TUNING CONTROL 3 ............................................................................................................................................... 123 REG ECH: FUEL GAUGE TUNING CONTROL 4 ............................................................................................................................................... 123 REG EDH: FUEL GAUGE TUNING CONTROL 5 ............................................................................................................................................... 124 15 CODEC REGISTER ...................................................................................................................................................................... 125 REGISTER LIST ........................................................................................................................................................................................ 125 REG 00H_CHIP SOFT RESET REGISTER ...................................................................................................................................................... 127 REG 01H_PLL CONFIGURE CONTROL 1 REGISTER ....................................................................................................................................... 127 REG 02H_PLL CONFIGURE CONTROL 2 REGISTER ....................................................................................................................................... 128 8 AXP818 Datasheet V1.0 Copyright © 2014 X-Powers Limited. All Rights Reserved. confidential

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