说明：  BK3432芯片是一款高度集成的蓝牙4.2双模式，带2Mbps数据速率选项。它集成了高性能RF收发器、基带、ARM9E内核、丰富的功能外设单元、PR支持BLE应用的可编程协议和概要文件。编程手册用于指导BK3432的开发。
(Bk3432 chip is a highly integrated Bluetooth 4.2 dual mode with 2Mbps data rate option. It integrates high-performance RF transceiver, baseband, arm9e core, rich function peripheral unit, PR programmable protocol and profile supporting ble application. The programming manual is used to guide the development of bk3432.)