BK3231S Datasheet

V1.5

© 2015 Beken Corporation

Proprietary and Confidential

Page 3 of 24

Table of Contens

1

General Description ............................................................................................................................ 6

1.1

Overview....................................................................................................................................... 6

1.2

Block Diagram ............................................................................................................................. 6

1.3

Features ........................................................................................................................................ 7

1.4

Application ................................................................................................................................... 7

2

Pin Information................................................................................................................................... 9

3

Function Description ........................................................................................................................ 16

3.1

Memory Address Mapping ....................................................................................................... 16

3.2

Interrupt and Clock Unit .......................................................................................................... 17

3.3

GPIO ........................................................................................................................................... 17

3.4

ADC............................................................................................................................................. 17

3.5

UART.......................................................................................................................................... 18

3.6

I2C-SMBus ................................................................................................................................. 18

3.7

SPI ............................................................................................................................................... 19

3.8

PWM Timer ............................................................................................................................... 20

3.9

Watch dog................................................................................................................................... 20

4

Electrical Specifications.................................................................................................................... 20

4.1

General Specification................................................................................................................. 20

4.2

BR mode ..................................................................................................................................... 21

5

Package Information ........................................................................................................................ 22

5.1

QFN 7X7 56PIN:........................................................................................................................ 22

5.2

QFN4X4 32PIN:......................................................................................................................... 23

6

Application Schematic ...................................................................................................................... 24

6.1

QFN7X7 56PIN:......................................................................................................................... 24

6.2

QFN4X4 32PIN:......................................................................................................................... 24

7

Order Information ............................................................................................................................ 24

8

Contact Information ......................................................................................................................... 24