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TMS320F28062: 技术咨询

Part Number: TMS320F28062

你好,

我们目前使用的TMS320F28062PZT,发现如下问题:只能通过SCI烧录 仿真器连接不上   TDO口拉高 仿真器可以烧录仿真运行,重新上电还是无法运行 。

CN2跳线短接后,TDO上拉,TDO口接入3.3V ;实际只有1.255V,导致芯片不工作。

电路图如下: