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HS6620 Bluetooth Low Energy Application HunterSun HS6620 Bluetooth Low Energy Compliant and 2.4-GHz Proprietary System-on-Chip Version 1.0 2017/6/13 Wireless connect anywhere by HunterSun technology 1

HS6620 Bluetooth Low Energy Application Table of Contents HunterSun HS6620 ................................................................................................................................................... 1 3 1 Table of Contents ................................................................................................................................................. 2 List of table .......................................................................................................................................................... 4 List of figure ........................................................................................................................................................ 5 System Overview ................................................................................................................................................. 7 1.1. General Description ................................................................................................................................. 7 1.2. Features .................................................................................................................................................... 7 1.3. Chip Applications .................................................................................................................................... 8 System Function Block Diagram ........................................................................................................... 10 1.4. 2 Chip Description ................................................................................................................................................. 11 2.1 Pin Definition.......................................................................................................................................... 11 2.2 Pin Description ...................................................................................................................................... 12 Electrical Characteristics ................................................................................................................................... 14 Absolute Maximum Ratings .................................................................................................................. 14 3.1 3.2 Recommend Operating Conditions ........................................................................................................ 14 Battery Charger ...................................................................................................................................... 14 3.3 3.4 Radio Characteristics ............................................................................................................................. 15 3.4.1 BLE Transmitter .................................................................................................................................... 15 3.4.2 BLE Receiver......................................................................................................................................... 16 3.5 Power Consumption ............................................................................................................................... 16 4 Chip Function Description ................................................................................................................................. 17 4.1 Radio Transceiver .................................................................................................................................. 17 4.1.1 Bluetooth Radio Receiver ...................................................................................................................... 17 4.1.2 Bluetooth Radio Transmitter .................................................................................................................. 17 4.1.3 Frequency Synthesizer ........................................................................................................................... 17 Bluetooth Baseband Unit ....................................................................................................................... 17 4.2 4.3 Peripherals ............................................................................................................................................. 18 4.3.1 SPI ......................................................................................................................................................... 18 4.3.2 UART ..................................................................................................................................................... 19 4.3.3 I2C ......................................................................................................................................................... 20 4.3.4 Timer ...................................................................................................................................................... 20 4.3.5 GPIO ...................................................................................................................................................... 20 4.3.6 I2S interface ........................................................................................................................................... 21 4.3.7 Quadrature Decoders ............................................................................................................................. 21 4.3.8 Keyboard Controller .............................................................................................................................. 21 4.3.9 General Purpose (GP) ADC ................................................................................................................... 21 2

HS6620 Bluetooth Low Energy Application Power Management ............................................................................................................................... 22 4.4 4.4.1 Power Management (PMU) ................................................................................................................... 22 4.4.2 Battery Charger ...................................................................................................................................... 22 Software ............................................................................................................................................................. 23 5.1 Protocol Stack ........................................................................................................................................ 23 Package Information .......................................................................................................................................... 25 6.1 Package Information .............................................................................................................................. 25 7 Application Circuit ............................................................................................................................................ 27 5 6 3

HS6620 Bluetooth Low Energy Application List of table TABLE 1 HS6620 PIN DEFINITION ............................................................................................................................... 13 TABLE 2 HS6620 ABSOLUTE MAXIMUM RATINGS ................................................................................................. 14 TABLE 3 HS6620 RECOMMEND OPERATING CONDITIONS ................................................................................... 14 TABLE 4 HS6620 BATTERY CHARGER ....................................................................................................................... 15 TABLE 5 HS6620 BLE TRANSMITTER ......................................................................................................................... 15 TABLE 6 HS6620 BLE RECEIVER ................................................................................................................................. 16 TABLE 7 HS6620 QFN PACKAGE .................................................................................................................................. 26 4

HS6620 Bluetooth Low Energy Application List of figure FIGURE 1 HS6620 CHIP WIRELESS APPLICATIONS ................................................................................................... 9 FIGURE 2 HS6620 SYSTEM BLOCK DIAGRAM .......................................................................................................... 10 FIGURE 3 HS6620 CHIP PIN DEFINITION .................................................................................................................... 11 FIGURE 4 HS6620 BT BASEBAND ................................................................................................................................ 18 FIGURE 5 HS6620 SPI INTERCONNECTION ................................................................................................................ 19 FIGURE 6 HS6620 SPI INTERFACE TIMING ................................................................................................................ 19 FIGURE 7 HS6620 I2C BLOCK DIGARAM ................................................................................................................... 20 FIGURE 8 HS6620 SOFTWARE STACK ........................................................................................................................ 23 FIGURE 9 HS6620 HARDWARE DRIVER AND APPLICATION................................................................................. 24 FIGURE 10 HS6620 QFN48 PACKAGE .......................................................................................................................... 25 FIGURE 11 HS6620 APPLICATION CIRCUIT ............................................................................................................... 27 5

HS6620 Bluetooth Low Energy Application Revision History version summery Initial version 1.0 date author 2017-06-13 6

HS6620 Bluetooth Low Energy Application 1 System Overview 1.1. General Description The HS6620 is a power-optimized true system-on-chip (SoC) solution for both Bluetooth low energy and proprietary 2.4-GHz applications. It integrates a high performance and low power RF transceiver with Bluetooth baseband and rich peripheral IO extension. HS6620 also integrates a power management to provide high-efficient power management. It targets 2.4-GHz Bluetooth low energy systems, proprietary 2.4-GHz systems, Human-Interface Devices (keyboard, mouse, and remote control), sports and leisure equipment, mobile phone accessories and consumer electronics. HS6620 on-chip Bluetooth system compliant with version 4.2, support all Bluetooth standard 4.2 feature. The chip integrates 48Mhz high-performance MCU, DMA, GPIO, I2S, i2C, SPI, UART, TIMER, RTC, watch dog, supports 24Mhz external crystal, integrates multi-purpose 12 bit ADC. The HS6620 integrates on chip 256KB ROM, 128K SRAM and supports user defined IDE system, on chip SFLASH MCU development and JTAG software upgrade. 1.2. Features • RF transceiver • • • • -93 dBm sensitivity Bluetooth® low energy TX Power -20 to +2 dBm 10mA peak RX, 10mA peak TX (0dBm) RSSI (1 dBm resolution) • CPU • ARM® Cortex™-M3, max 48MHz • Serial Wire Debug (SWD) • Memory • • • 128KB SRAM 256KB ROM 4Mb SFLASH Clocks • 24MHz crystal, 24MHz RC, 32.768KHz crystal, 32.768KHz RC Link Controller • BT 4.2 LE PHY, link controller 7 • •

• HS6620 Bluetooth Low Energy Application Proprietary 2.4-GHz link controller • Power Management • Deep sleep power 5uA • • Supply voltage range 2.0V to 4.3V Built-in charger and BUCK • Software • • Full compliant with BLE version 4.2, complete power-optimized stack, including controller and host Supports mesh network • Network processor interface for applications running on an external microcontroller • • • • Sample applications and profiles Supports 6LowPAN Supports OTA SWD interface • Peripherals • • • four channels DMA Two UART interface, one share with 7816 interface I2S interface • Up to 31 bits general-purpose I/O GPIO • • I2C master or slave interface Two SPI master or slave interface • Watchdog to prevent system dead lock • • RTC Three 32bit timers • Keyboard controller, up to 8x18 • • Three way QDEC Eight single-end or differential-end 12bits GP-ADC • AES HW encryption 1.3. Chip Applications The HS6620 integrated circuit has a fully integrated radio transceiver and baseband processor for Bluetooth® Smart. It can be used as an application processor as well as a data pump in fully hosted systems. 8

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