The BK3231 chip is a highly integrated single-chip Bluetooth3.0 HID device. It integrates the high-performance transceiver, rich features baseband processor, and Bluetooth HID profile. The FLASH program memory makes it suitable for customized application, and it is also possible for other Bluetooth aplication such as SPP controller.
Features
Operation voltage from 2.0V to 3.6 V
Bluetooth 3.0compliant
-86dBm sensitivity for 1 Mbps mode and 2 dBm transmit power
HID v1.0, and other light profile by request
16 MHz crystal reference clock
56-pin QFN 7mmx7mm package for keyboard
I2C, SPI and UART interface
10-bit Battery monitor ADC
Three timers with PWM mode
