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TMS570LC4357: TMS570LC4357的JTAG无法正常烧录。

Part Number: TMS570LC4357
Other Parts Discussed in Thread: UNIFLASH

TMS570L4357芯片在烧录时出现时钟错误,导致后续无法烧录的问题(之前可以正常烧录,突然就不正常了中间没有插拔设备),已经坏了两块板子了,并不是每次都会出问题。

谁可以帮看下JTAG的烧录电路是否存在风险或者问题。