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TXB0104 SPI通讯偶尔出错

Other Parts Discussed in Thread: TXB0104

我们在使用TXB0104做SPI总线电平转换时,出现小概率工作不稳定情况。

VCCA=1.8V,VCCB=3.3V

SPI的时钟速率为9.6MHZ,挂机12小时,有出现过5次通讯校验错误;

将SPI的时钟频率改为4.8MHZ后,挂机48小时,未出现异常。

请问:

1.是否有办法改善这个工作不稳定的办法?

2.如果无法改善,是不是TXB0104无法支持9.6MHZ的SPI通讯。