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TMS320F28335: 刚做的板子烧录异常

Part Number: TMS320F28335


新做的板子,电源正常XRS脚空着,是高电平;(上拉也试过了)其他JTAG脚参照的开发板,应该没什么问题;

刚开始怀疑是XRS脚问题,我在开发板上模拟了同样的情况,让XRS脚悬空,高电平,依旧能正常运行;所以我认为排除了XRS的问题

网上找了很久了,有些同样问题的,但都没有答案

求求各位了 T.T