以NRF905芯片为核心的PTR8000模块的AVR驱动.驱动芯片为AVR mega16或者AVR mega32.内部详尽的操作流程和时序.包括CRC16校验.主从机通讯.-To NRF905 chip as the core module of the AVR-driven PTR8000. Driver IC for AVR mega16 or AVR mega32. Detailed operation of the internal flow and timing. Including