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DIY调试器硬件兼容性分析

分析三个调试器在STM32F103CxT6上的io分布

daplink jlink stlink diy硬件兼容性分析

interface daplink stlink Blackmagic probe(bluepill firmware) jlink ob(An old design)
SWDIO/JTMS PB14-100R-PB12 PB14-100R-PB12 PB14 PA7(PA4-R-PA7)
SWCLK/JTCK PB13-PA5 PB13-PA5 PA5 PA5(PA3-R-PA5-PB13)
JTDI NS PA7 PA7 PA2(PB0-R-PB14)
JTDO/SWO NS PA6 PA6 PA10(V1.4:PA6)(PA6-PB15-PA10)
nRST PB0 PB0 PB0/PB6 PA1(PA2-R-PA1)
UTX PA2 PA2 PA2 NS
URX PA3 PA3 PA3 NS
SWO PA10 PA10 PA10 PA10
USB D+ NC PA15 NC PA9

附标准jtag接口定义

jtag/swd