

我们采取了您的建议,禁用了广播模式,但是问题仍然存在。我们增加了CRC校验后,CRC不通过的概率为3~5%。以下请帮忙回复:
1)我们主机采用软件模拟SMBUS方式,通讯频率大概30k,发现主机已经拉高时钟,但是有个小台阶持续一段时间后才会真正变成高;使得通讯异常;感觉是40Z80在忙,拉低了时钟线。
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