TM4C123-JTAG

本文摘录于TI官方手册SPMA075，主要内容是对JTAG的认识及硬件设计。 一、JTAG的基本认识 JTAG接口主要是四个引脚 TMS 、TDI 、TDO、TCK At power on, the TAP state machine (see Figure 1) is initialized to be in Test Logic Reset state. It moves from one s

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