Part Number : BK3231
Description : Bluetooth HID SoC
Package : 56-pin QFN 7mmx7mm
Manufactures : Beken Corporation
( BK3231Q )
The BK3231 chip is a highly integrated single-chip Bluetooth HID device. It integrates the high-performance transceiver, rich features baseband processor, and Bluetooth HID profile.
1. Operation voltage from 2.8 V to 3.6 V
2. Bluetooth 2.1 compliant
3. -88dBm sensitivity for 1 Mbps mode and 2 dBm transmit power
4. HID v1.0
5. 16 MHz crystal reference clock
The next diagram shows QFN56 format for the full functions usage.It can be used as keyboard TX part and total 35 GPIO available.