AW9203

June 2018 V1.2

www.awinic.com.cn

2

Copyright © 2016 SHANGHAI AWINIC TECHNOLOGY CO., LTD

CONTENT

1

PIN CONFIGURATION AND TOP MARK....................................................................................................4

2

PIN DEFINITION...........................................................................................................................................4

3

FUNCTIONAL BLOCK DIAGRAM...............................................................................................................5

4

TYPICAL APPLICATION CIRCUITS ...........................................................................................................5

5

ORDERING INFORMATION ........................................................................................................................6

6

ABSOLUTE MAXIMUM RATINGS(NOTE 3) ....................................................................................................6

7

ELECTRICAL CHARACTERISTICS............................................................................................................7

8

I2C INTERFACE TIMING ..............................................................................................................................8

9

FUNCTIONAL DESCRIPTION .....................................................................................................................9

9.1

WORK MODE ....................................................................................................................................................... 9

9.2

RESET .................................................................................................................................................................. 9

9.2.1

HARDWARE RESET............................................................................................................................. 9

9.2.2

SOFTWARE RESET ............................................................................................................................. 9

9.3

I2C INTERFACE.................................................................................................................................................... 9

9.3.1

DEVICE ADDRESS ............................................................................................................................... 9

9.3.2

DATA VALIDATION............................................................................................................................. 10

9.3.3

ACK(ACKNOWLEDGEMENT)............................................................................................................. 10

9.3.4

I2C START/STOP ................................................................................................................................ 10

9.3.5

WRITE CYCLE .................................................................................................................................... 11

9.3.6

READ CYCLE...................................................................................................................................... 11

9.4

OSCILLATOR ..................................................................................................................................................... 12

9.5

CAPACITIVE TOUCH DETECTION ................................................................................................................... 12

9.5.1

TOUCH

STATUS AND INTERRUPT ................................................................................................ 13

9.5.2

GESTURE STATUS ............................................................................................................................ 13

10

REGISTER DESCRIPTION ......................................................................................................................15

10.1

REGISTER CONFIGURATION......................................................................................................................... 15

10.2

GLOBAL REGISTER DESCRIPTION ............................................................................................................... 17

10.2.1

IDRST, CHIP ID AND SOFTWARE RESET ...................................................................................... 17

10.2.2

GCR, GLOBAL CONTROL REGISTER............................................................................................. 17

10.3

CAPACITIVE TOUCH DETECTION REGISTERS............................................................................................ 17

10.3.1

SLPR, SENSOR SLEEP CONTROL REGISTER .............................................................................. 17

10.3.2

KINTER, KEY INTERRUPT ENABLE REGISTER............................................................................. 17

10.3.3

AKSCR, ADJACENT KEY SUPPRESSION CONFIGURATION REGISTER .................................... 17

10.3.4

SLSR, SLIDE CONFIGURATION REGISTER................................................................................... 18

10.3.5

JDGTHRN, KEY STATUS JUDGE CONFIGURATION REGISTER .................................................. 18

10.3.6

NOISETHR, NOISE THRESHOLD REGISTER................................................................................. 18

10.3.7

SCFG1, SCAN CONFIGURATION REGISTER................................................................................. 18

10.3.8

SCFG2, SCAN CONFIGURATION REGISTER................................................................................. 18