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TM4C123GH6PZ芯片无法下载程序，板子是自己设计的，工程是keil版本，ST-link能识别到芯片，不过下载后出现Flash Timeout. Reset the Target and try it again.复位电路为高电平，按下为低电平。之前用Stlink下载过TM4C123GH6PM的开发板，完全没问题。

user6024360
Prodigy 20 points
Other Parts Discussed in Thread: TM4C123GH6PM, TM4C123GH6PZ, UNIFLASH

TM4C123GH6PZ芯片无法下载程序，板子是自己设计的，工程是keil版本，ST-link能识别到芯片，不过下载后出现Flash Timeout. Reset the Target and try it again.复位电路为高电平，按下为低电平。之前用Stlink下载过TM4C123GH6PM的开发板，完全没问题。