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AM5716: 上电串口无打印

Part Number: AM5716
Other Parts Discussed in Thread: AM3357, AM3352

最近设计了一块AM5716的CPU板,是从AM571X IDK优化的。无法从SD卡启动。

SYSBOOT【5:0】=0b100010, 串口上没有反应。

后来改成从串口启动

SYSBOOT【5:0】=0b010011, 串口上接收到JE!, 串口设置115200,8,E,1,no flow control.