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RM57L843: RM57L843上电自诊断异常

Part Number: RM57L843


你好:

我们使用的RM57L843控制器在上电自诊断后ESM模块报故,具体是ESM模块的SR3寄存器值为0x00000008,通过官方GUI图形化配置工具查看该bit为保留位,请问是什么原因造成这个问题的呢?

补充:通过外部复位按键复位POR管脚后再次自诊断则能通过不会报异常。