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TMS320C6657: TMS320C6657CZHA启动异常问题

Part Number: TMS320C6657

1. JTAG上的电平转换器不上电,影响DSP的启动,而且此时PORZ复位不起作用;不知道什么原因?

2.用仿真器查看,如果DSP不启动,连接仿真器查看DSP寄存器,在没有初始化的情况下,PLL会有一个分频信号会从1变为0

相关电路如下: