Data Sheet

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
APBAHB
32 KHz on-chip ROSC
16MHz Clock
16 MHz DPLL
Figure 1 Block Diagram