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GC9107(GC9107_DataSheet_V1.2).pdf
Table of Content
1. Introduction
2. Features
3. Block Diagram
3.1. Block diagram
3.2. Pin descriptions
3.3. PAD coordinates
4. Interface setting
4.1. MCU interfaces
4.1.1. MCU interface selection
4.1.2. 8080 Series Parallel Interface
4.1.3. Write Cycle Sequence
4.1.4. Read Cycle Sequence
4.1.5. Serial Interface
4.1.6. Write Cycle Sequence
4.1.7. Read Cycle Sequence
4.1.8. Data Transfer Break and Recovery
4.1.9. Data Transfer Pause
4.1.10. Serial Interface Pause
4.1.11. Parallel Interface Pause
4.1.12. Data Transfer Mode
4.1.13. Data Transfer Method 1
4.1.14. Data Transfer Method 2
4.2. Display Data Format
4.2.1. 3-line Serial Interface
4.2.2. 4-line Serial Interface
4.2.3. 8-bit Parallel MCU Interface
5. Function Description
5.1. Display data GRAM mapping
5.1.1. 128RGBx128 resolution (GM = “01”)
5.1.2. 128RGBx160 resolution (GM = “11”)
5.2. Address Counter (AC) of GRAM
5.2.1. 128RGBx160 (GM == ‘11’)
5.2.2. 128RGBx128 (GM == ‘01’)
5.2.3. Frame Data Write Direction
5.3. GRAM to display address mapping
5.3.1. Normal display on or partial mode on, vertical scroll off
5.3.2. Vertical scroll display mode
5.4. Tearing effect output line
5.4.1. Tearing effect line modes
5.4.2. Tearing effect line timing
5.5. Source driver
5.6. Gate driver
5.7. LCD power generation circuit
5.7.1. Power supply circuit
5.7.2. LCD power generation scheme
5.8. Gamma Correction
5.9. Power Level Definition
5.9.1. Power Levels
5.9.2. Power Flow Chart
6. Command
6.1. Command List
6.1.1. USER REG
6.1.2. INTER REG
6.2. Description of User Command
6.2.1. Read Manufactory Programming Identification (04h)
6.2.2. Read Display Status (09h)
6.2.3. Read Display Power Mode (0Ah)
6.2.4. Read Display MADCTL (0Bh)
6.2.5. Read Display Pixel Format (0Ch)
6.2.6. Read Display Image Format (0Dh)
6.2.7. Read Display Signal Mode (0Eh)
6.2.8. Read Display Self-Diagnostic Result (0Fh)
6.2.9. Sleep In (10h)
6.2.10. Sleep Out (11h)
6.2.11. Partial Mode ON (12h)
6.2.12. Normal Display Mode ON (13h)
6.2.13. Display Inversion OFF (20h)
6.2.14. Display Inversion ON (21h)
6.2.15. Display OFF (28h)
6.2.16. Display ON (29h)
6.2.17. Column Address Set (2Ah)
6.2.18. Row Address Set (2Bh)
6.2.19. Memory Write (2Ch)
6.2.20. Partial Area (30h)
6.2.21. Vertical Scrolling Definition (33h)
6.2.22. Tearing Effect Line OFF (34h)
6.2.23. Tearing Effect Line ON (35h)
6.2.24. Memory Access Ctrl (36h)
6.2.25. Vertical Scrolling Start Address (37h)
6.2.26. Idle Mode OFF (38h)
6.2.27. Idle Mode ON (39h)
6.2.28. COLMOD: Pixel Format Set (3Ah)
6.2.29. Test Scanline Set (44h)
6.2.30. Test Scanline Get (45h)
6.2.31. Customized display identification information(D3h)
6.2.32. Read ID1 (DAh)
6.2.33. Read ID2 (DBh)
6.2.34. Read ID3 (DCh)
6.3. Description of Internal Command
6.3.1. Inter register enable 1 (FEh)
6.3.2. Inter register enable 2 (EFh)
6.3.3. Complement Principle of RGB 5, 6, 5（ACh）
6.3.4. Blanking Porch Control（ADh）
6.3.5. Display Inversion Control (CBh)
6.3.6. AVDD_VCL_CLK (E3h)
6.3.7. VGH_VGL_CLK (EAh)
6.3.8. Frame Rate Set(A8h)
6.3.9. VREG_CTL (E7h)
6.3.10. VGH_SET(E8h)
6.3.11. VGL_SET (E9h)
6.3.12. AVDD_VCL_SET (E2h)
6.3.13. SET_GAMMA1 (F0h)
6.3.14. SET_GAMMA2 (F1h)
7. Application
7.1. APPLICATION CIRCUIT
8. Electrical Characteristics
8.1. Absolute Maximum Ratings
8.2. Power ON/OFF Sequence
8.3. DC Characteristics
8.4. AC Characteristics
8.4.1. Display Parallel 8-bit Interface Timing Characteristics (8080 )
8.4.2. Display Serial Interface Timing Characteristics (3-line SPI system)
8.4.3. Display Serial Interface Timing Characteristics (4-line SPI system)
GC9107 Datasheet
GC9107
a-Si TFT LCD Single Chip Driver
128RGBx160 Resolution and 262K color
Datasheet
V1.2
2021-01-22
GC9107 Datasheet V1.2 1 / 144
GC9107 Datasheet
GENERATION REVISION HISTORY
Version. Effective Date
Description of Changes
Prepared by
V1.0
2019-11-2
Document Release
V1.1
2021-1-8
Application Circuit Adjusted
V1.2
2021-1-22
Command Adjusted
Evie
Evie
Evie
Galaxycore Inc. reserves the right to change the contents in this document without prior notice
Galaxycore Incorporation
GC9107 Datasheet V1.2 2 / 144
GC9107 Datasheet
Table of Content
Table of Content .......................................................................................................................................... 3
1.
Introduction .......................................................................................................................................... 6
2. Features ............................................................................................................................................... 7
3. Block Diagram ...................................................................................................................................... 8
3.1. Block diagram ............................................................................................................................... 8
3.2. Pin descriptions ............................................................................................................................ 9
3.3. PAD coordinates ........................................................................................................................ 13
4.
Interface setting ................................................................................................................................. 21
4.1. MCU interfaces ........................................................................................................................... 21
4.1.1. MCU interface selection ................................................................................................. 21
4.1.2. 8080 Series Parallel Interface ........................................................................................ 21
4.1.3. Write Cycle Sequence ................................................................................................... 22
4.1.4. Read Cycle Sequence ................................................................................................... 23
4.1.5. Serial Interface ............................................................................................................... 24
4.1.6. Write Cycle Sequence ................................................................................................... 24
4.1.7. Read Cycle Sequence ................................................................................................... 26
4.1.8. Data Transfer Break and Recovery ............................................................................... 28
4.1.9. Data Transfer Pause ...................................................................................................... 30
4.1.10. Serial Interface Pause .................................................................................................... 31
4.1.11. Parallel Interface Pause ................................................................................................. 31
4.1.12. Data Transfer Mode ....................................................................................................... 31
4.1.13. Data Transfer Method 1 ................................................................................................. 31
4.1.14. Data Transfer Method 2 ................................................................................................. 32
4.2. Display Data Format ................................................................................................................... 33
4.2.1. 3-line Serial Interface ..................................................................................................... 33
4.2.2. 4-line Serial Interface ..................................................................................................... 35
4.2.3. 8-bit Parallel MCU Interface ........................................................................................... 37
5. Function Description .......................................................................................................................... 39
5.1. Display data GRAM mapping ..................................................................................................... 39
5.1.1. 128RGBx128 resolution (GM = “01”) ............................................................................. 39
5.1.2. 128RGBx160 resolution (GM = “11”) ............................................................................. 40
5.2. Address Counter (AC) of GRAM ................................................................................................ 41
5.2.1. 128RGBx160 (GM == „11‟) ............................................................................................. 43
5.2.2. 128RGBx128 (GM == „01‟) ............................................................................................ 44
5.2.3. Frame Data Write Direction ........................................................................................... 45
5.3. GRAM to display address mapping............................................................................................ 47
5.3.1. Normal display on or partial mode on, vertical scroll off ................................................ 47
5.3.2. Vertical scroll display mode ........................................................................................... 48
5.4. Tearing effect output line ............................................................................................................ 52
5.4.1. Tearing effect line modes ............................................................................................... 52
5.4.2. Tearing effect line timing ................................................................................................ 52
GC9107 Datasheet V1.2 3 / 144
GC9107 Datasheet
5.5. Source driver .............................................................................................................................. 53
5.6. Gate driver .................................................................................................................................. 53
5.7. LCD power generation circuit ..................................................................................................... 54
5.7.1. Power supply circuit ....................................................................................................... 54
5.7.2. LCD power generation scheme ..................................................................................... 55
5.8. Gamma Correction ..................................................................................................................... 56
5.9. Power Level Definition ................................................................................................................ 58
5.9.1. Power Levels .................................................................................................................. 58
5.9.2. Power Flow Chart ........................................................................................................... 59
6. Command........................................................................................................................................... 60
6.1. Command List ............................................................................................................................ 60
6.1.1. USER REG .......................................................................................................................... 60
6.1.2.
INTER REG ......................................................................................................................... 63
6.2. Description of User Command ................................................................................................... 65
6.2.1. Read Manufactory Programming Identification (04h) .................................................... 65
6.2.2. Read Display Status (09h) ............................................................................................. 66
6.2.3. Read Display Power Mode (0Ah) .................................................................................. 68
6.2.4. Read Display MADCTL (0Bh) ........................................................................................ 69
6.2.5. Read Display Pixel Format (0Ch) .................................................................................. 70
6.2.6. Read Display Image Format (0Dh) ................................................................................ 71
6.2.7. Read Display Signal Mode (0Eh) ................................................................................... 72
6.2.8. Read Display Self-Diagnostic Result (0Fh) ................................................................... 73
6.2.9. Sleep In (10h) ................................................................................................................. 74
6.2.10. Sleep Out (11h) .............................................................................................................. 75
6.2.11. Partial Mode ON (12h) ................................................................................................... 77
6.2.12. Normal Display Mode ON (13h) ..................................................................................... 78
6.2.13. Display Inversion OFF (20h) .......................................................................................... 79
6.2.14. Display Inversion ON (21h) ............................................................................................ 80
6.2.15. Display OFF (28h) .......................................................................................................... 82
6.2.16. Display ON (29h) ............................................................................................................ 83
6.2.17. Column Address Set (2Ah) ............................................................................................ 84
6.2.18. Row Address Set (2Bh) .................................................................................................. 86
6.2.19. Memory Write (2Ch) ....................................................................................................... 89
6.2.20. Partial Area (30h) ........................................................................................................... 91
6.2.21. Vertical Scrolling Definition (33h) ................................................................................... 94
6.2.22. Tearing Effect Line OFF (34h) ........................................................................................ 97
6.2.23. Tearing Effect Line ON (35h) ......................................................................................... 98
6.2.24. Memory Access Ctrl (36h) ............................................................................................ 100
6.2.25. Vertical Scrolling Start Address (37h) .......................................................................... 102
6.2.26. Idle Mode OFF (38h) .................................................................................................... 104
6.2.27. Idle Mode ON (39h) ...................................................................................................... 105
6.2.28. COLMOD: Pixel Format Set (3Ah) ............................................................................... 107
6.2.29. Test Scanline Set (44h) ................................................................................................ 108
6.2.30. Test Scanline Get (45h) ............................................................................................... 109
6.2.31. Customized display identification information(D3h) .................................................... 110
GC9107 Datasheet V1.2 4 / 144
GC9107 Datasheet
6.2.32. Read ID1 (DAh) ............................................................................................................ 111
6.2.33. Read ID2 (DBh) ............................................................................................................ 113
6.2.34. Read ID3 (DCh) ........................................................................................................... 115
6.3. Description of Internal Command ............................................................................................. 117
6.3.1.
Inter register enable 1 (FEh) ........................................................................................ 117
6.3.2.
Inter register enable 2 (EFh) ........................................................................................ 118
6.3.3. Complement Principle of RGB 5, 6, 5（ACh） ........................................................... 119
6.3.4. Blanking Porch Control（ADh） .................................................................................. 120
6.3.5. Display Inversion Control (CBh) .................................................................................. 121
6.3.6. AVDD_VCL_CLK (E3h)................................................................................................ 122
6.3.7. VGH_VGL_CLK (EAh) ................................................................................................. 124
6.3.8. Frame Rate Set(A8h) ................................................................................................... 126
6.3.9. VREG_CTL (E7h)......................................................................................................... 128
6.3.10. VGH_SET(E8h) ............................................................................................................ 129
6.3.11. VGL_SET (E9h) ........................................................................................................... 130
6.3.12. AVDD_VCL_SET (E2h) ................................................................................................ 131
6.3.13. SET_GAMMA1 (F0h) ................................................................................................... 132
6.3.14. SET_GAMMA2 (F1h) ................................................................................................... 134
7. Application........................................................................................................................................ 136
7.1.
APPLICATION CIRCUIT .......................................................................................................... 136
8. Electrical Characteristics ................................................................................................................. 137
8.1. Absolute Maximum Ratings ..................................................................................................... 137
8.2. Power ON/OFF Sequence ....................................................................................................... 138
8.3. DC Characteristics ................................................................................................................... 139
8.4. AC Characteristics .................................................................................................................... 141
8.4.1. Display Parallel 8-bit Interface Timing Characteristics (8080 ) .................................... 141
8.4.2. Display Serial Interface Timing Characteristics (3-line SPI system) ........................... 143
8.4.3. Display Serial Interface Timing Characteristics (4-line SPI system) ........................... 144
GC9107 Datasheet V1.2 5 / 144
GC9107 Datasheet
1. Introduction
The GC9107 is a 262,144-color single-chip SOC driver for a-TFT liquid crystal display with resolution
of 128RGBx160dots, comprising a 384-channel source driver, a 160-channel gate driver, 46,080 bytes
GRAM for graphic display data of 128RGBx160 dots, and power supply circuit.
The GC9107 supports parallel 8-bit data bus MCU interface, and 3-/4-line serial peripheral interface
(SPI). The moving picture area can be specified in internal GRAM by window address function. The
specified window area can be updated selectively, so that moving picture can be displayed
simultaneously independent of still picture area.
The GC9107 can operate with 1.65V ~ 3.3V I/O interface voltage and an incorporated voltage
follower circuit to generate voltage levels for driving an LCD. GC9107 supports full color, 8-color display
mode and sleep mode for precise power control by software and these features make the GC9107 an
ideal LCD driver for medium or small size portable products such as digital cellular phones, smart phone,
MP3 and PMP where long battery life is a major concern.
GC9107 Datasheet V1.2 6 / 144
GC9107 Datasheet
2. Features
No need for external electronic component.
Display resolution: [128xRGB](H) x 160(V)
Output:
384 source outputs
160 gate outputs
Common electrode output (VCOM)
a-TFT LCD driver with on-chip full display RAM: 46,080 bytes
System Interface
8-bits interface with 8080 MCU
3-line / 4-line serial interface
Driving Algorithm Support
Row Inversion
Frame Inversion
Display mode:
Full color mode (Idle mode OFF): 262K-color
Reduce color mode (Idle mode ON): 8-color
Power saving mode:
8-color mode
Standby mode
On chip functions:
Timing generator
Oscillator
DC/DC converter
Support partial display
Window address function to specify a rectangular area for internal GRAM access
Low -power consumption architecture
Low operating power supplies:
IOVCC = 1.65V ~ 3.3V (logic)
VCI = 2.5V ~ 3.3V (analog)
On-Chip Power System
Source Voltage(VREG): +2.92V ~ +5.19V
VCOM level(VCOMH、VCOML): +3.08V ~ +4.50V、-2.50V ~ 0V
Gate driver HIGH level (VGH): +10V ~ +15V
Gate driver LOW level (VGL): -13V ~ -7.5V
Operate temperature range: -40℃to 80℃
a-Si TFT LCD storage capacitor : Cst on Common structure only
Package COG
GC9107 Datasheet V1.2 7 / 144
GC9107 Datasheet
3. Block Diagram
3.1. Block diagram
GC9107 Datasheet V1.2 8 / 144
MPU IF8-bitSPI IFVDDIRESXWRXRDXSDICSXD[7:0]PowerRegulatorTiming ControllerVDDACharge-pump Power CircuitAVDDLCDGate DriverIndexRegister(IR)ControlRegister(CR)GraphicsOperationRead Latch7181818Graphics RAM(GRAM)72Write Latch7218AddressCounter(AC)GrayscaleReferenceVoltageLCDSourceDriverV63~0IMSDODCXRC-OSCVDDAGNDVGHVGLVCLVCOM GeneratorVCOMG[161:2]S[384:1]VDHVREGSPI4W
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