RDA1846编程指导 This programming guide has been restructured from previous revisions for clarity. This contains two documents for interface and programmer separately. Inte rface document contains I2C interface and 3 wire SPI interface -This progr

飞思卡尔kinetis系列KBoot源码，支持串口、USB、I2C、SPI硬件接口下载烧写应用程序。-Freescale kinetis series KBoot source code, supports serial, USB, I2C, SPI hardware interface to download the application programmer.