HS6621AG_HS6621AF_datasheet_V1.4.pdf

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HS6621 Bluetooth Low Energy Application

OnMicro HS6621AG/HS6621AF

Bluetooth Low Energy Compliant and 2.4-GHz Proprietary System-on-Chip

Version 1.4

2020/9/3

Wireless connect anywhere by On Micro technology

HS6621 Bluetooth Low Energy Application

Table of Contents

9033OnMicro HS6621AG/HS6621AF......................................................................................................................1

Table of Contents....................................................................................................................................................2

List of table............................................................................................................................................................. 4

List of figure........................................................................................................................................................... 5

1 System Overview....................................................................................................................................................7

1.1. General Description....................................................................................................................................7

1.2. Features.......................................................................................................................................................8

1.3. Chip Applications....................................................................................................................................... 9

1.4. System Function Block Diagram............................................................................................................. 10

2 Chip Description................................................................................................................................................... 11

2.1 HS6621AG Chip Description...................................................................................................................11

2.2 HS6621AF Chip Description................................................................................................................... 12

2.3 Pin Description......................................................................................................................................... 12

3 Electrical Characteristics...................................................................................................................................... 15

3.1 Absolute Maximum Ratings.....................................................................................................................15

3.2 Recommend Operating Conditions.......................................................................................................... 15

3.3 ESD Characteristic................................................................................................................................... 15

3.4 Radio Characteristics................................................................................................................................16

3.4.1 BLE Transmitter....................................................................................................................................... 16

3.4.2 BLE Receiver............................................................................................................................................17

3.5 Power Consumption................................................................................................................................. 18

4 Chip Function Description....................................................................................................................................18

4.1 Radio Transceiver..................................................................................................................................... 18

4.1.1 Bluetooth Radio Receiver.........................................................................................................................18

4.1.2 Bluetooth Radio Transmitter.................................................................................................................... 18

4.1.3 Frequency Synthesizer..............................................................................................................................19

4.2 Bluetooth Baseband Unit..........................................................................................................................19

4.3 Peripherals................................................................................................................................................ 19

4.3.1 SPI.............................................................................................................................................................19

4.3.2 UART........................................................................................................................................................20

4.3.3 I2C............................................................................................................................................................ 21

4.3.4 Timer.........................................................................................................................................................21

4.3.5 GPIO......................................................................................................................................................... 21

4.3.6 I2S interface..............................................................................................................................................22

4.3.7 Quadrature Decoders................................................................................................................................ 22

4.3.8 Keyboard Controller.................................................................................................................................22

4.3.9 General Purpose (GP) ADC......................................................................................................................23

4.3.10 AUDIO ADC............................................................................................................................................ 23

4.3.11 Touch sensor controller............................................................................................................................ 24

HS6621 Bluetooth Low Energy Application

List of figure

FIGURE 1 HS6621 CHIP WIRELESS APPLICATIONS.....................................................................................................9

FIGURE 2 HS6621 SYSTEM BLOCK DIAGRAM........................................................................................................... 10

FIGURE 3 HS6621AG CHIP PIN DEFINITION................................................................................................................11

FIGURE 4 HS6621AF CHIP PIN DEFINITION................................................................................................................ 12

FIGURE 5 HS6621 BT BASEBAND.................................................................................................................................. 19

FIGURE 6 HS6621 SPI INTERCONNECTION................................................................................................................. 20

FIGURE 7 HS6621 SPI INTERFACE TIMING................................................................................................................. 20

FIGURE 8 HS6621 I2C BLOCK DIAGRAM..................................................................................................................... 21

FIGURE 9 HS6621AG AUDIO PGA AND ADC STRUCTURE.......................................................................................23

FIGURE 10 HS6621AF AUDIO PGA AND ADC STRUCTURE..................................................................................... 24

FIGURE 11 TOUCH SENSOR CONTROLLER STRUCTURE........................................................................................25

FIGURE 12 HS6621 SOFTWARE STACK........................................................................................................................ 26

FIGURE 13 HS6621 QFN48 PACKAGE............................................................................................................................28

FIGURE 14 HS6621AG APPLICATION CIRCUIT...........................................................................................................30

FIGURE 15 HS6621AF APPLICATION CIRCUIT........................................................................................................... 31