本文主要介绍了CC2420 的管脚结构及功能、寄存器寻址、与微处理器P89LPC924的通信以及CC2420的状态控制流程。
This paper introduces the pins configuration and function of CC2420, the register access, communication with the MPU P89LPC924 and the state controlling flow.
以管脚编号为中心，然后再进入到一个switch结构，根据连接到此管脚的传感器来采取不同的措施。
Focusing on the pin number, it then goes into a switch structure that takes a different action depending on which sensor is connected to the pin.
研究内容包括：MIFARE 1射频卡的特点、功能组成、存储结构以及MIFARE 1卡读写设备核心模块的特点、管脚排列、工作原理等。
Research includes as following: MIFARE 1 card features, functional composition, storage structure and MIFARE 1 card reading equipment core modules features, pin configuration, operating principles.
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