BK3432

The chip is a highly integrated Bluetooth 4.2 dual-mode with a 2Mbps data rate option. It integrates high-performance RF transceiver, baseband, arm9E core, feature rich peripheral units, programmable protocols, and configuration files to support BLE applications. Flash program storage makes it suitable for customized applications. BK3432 adopts advanced process design, integrates switch DCDC voltage regulator, and has ultra-low power consumption and ultra-low leakage power. Embedded high-order interference suppression filters and fast automatic gain control logic enable it to function properly even in high interference environments.

Chip features-
Bluetooth ®  SIG Bluetooth dual-mode 4.2 compatible
Low power 2.4GHz transceiver
ARM968E core microprocessor integration
160 KB programmable flash memory for programs and 20 KB RAM for data program code read protection
Working voltage ranges from 0.9 V to 3.6 V
Clock
16 MHz crystal oscillator reference clock
64 MHz digital phase-locked loop clock
32 kHz ring oscillator
External 32 kHz crystal oscillator
MCU can run with any clock source with an internal frequency divider