BK3231S Datasheet

V1.5

© 2015 Beken Corporation

Proprietary and Confidential

Page 6 of 24

1 General Description

1.1 Overview

The BK3231S chip is a highly integrated SoC, and it supports two wireless protocols,

which are Blueetooth Basic Rate (BR), and Bluetooth Low Energy (BLE).

It

integrates a high-performance 2.4GHz RF transceiver, rich features baseband,

ARM-core MCU and various peripheral IOs. It uses up-to-4Mbit external Flash to

excute the programmable protocol and profile to support customized applications

such as HID, Bluetooth 3D Glasses shutter, Remote controllers.

1.2 Block Diagram

MCU

ARM968E-S

Data Memory

(24 KB)

16 KB Program

Cache

16 MHz external Crystal

32 KHz external Crystal

DPLL

(96 MHz)

Power

Managerment

Bluetooth

Baseband

JTAG

32KHz Clock

Reset

2.4 GHz Radio

BIST

Timer

OTP

（32 Byte)

Flash Controller

AHB2APB

ICU

WDT

ADC

UART

PWM

SPI

I2C

3DS

GPIO

RTC

APB

AHB

32 KHz on-chip ROSC

16MHz Clock

16 MHz DPLL

Figure 1 Block Diagram