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硬件接口定义速查

JTAG SWD接口

所谓的两线制JTAG(TCK/TIO)对应的就是SWD的管脚(SWDCLK/SWDIO)

JTAG接线

jtag_chain

<<<<<<< Updated upstream

pickit3

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Pin Number Pin Name Description
1 MCLR/Vpp Connected to Master clear external reset pin of PIC to reset the MCU before programming
2 VDD (Target) Target voltage of PIC, 5V or 3.3V
3 Ground Ground pin of the system
4 PGD/ICSPDAT Program Data(PDG) is connected to the In Circuit Serial Programming (ICSP) data pin
5 PGC/ICSPCLK Program Clock (PGC) is connected to In Circuit Serial Programming (ICSP) clock pin
6 No connection
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## 3.5mm JACK音频接口

image-20210901182052510

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