This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

6713低温启动问题

Other Parts Discussed in Thread: PTH05050W, TPS3307

我用的是TMS320C6713BZDP-A200,在MOUSER上购买的一批芯片,但是在低温试验中发现有几块电路板在零下20度时无法启动,此时检测电源电压以及晶振都是正常的,如果此时给DSP的RESET管脚发复位信号,DSP就能够正常启动的,但有两块是发一次复位信号就能正常启动,但有一块就是发了10多次才启动成功,请问有可能是什么原因呢,是FLASH的问题还是DSP锁相环的问题呢,请大神指点!多谢!