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ADS1118 SPI 配置寄存器异常

Other Parts Discussed in Thread: ADS1118

1.在调试ADS1118的时候出现,将配置寄存器内容写入完成,然后读取数据的时候应答的是058b ,不管写入什么参数配置参数应答的是058B ,芯片内部发生了复位,数据部分应答是0;芯片手册上说cs 延时时间过长会引起复位,这个点我已经检测过,没有存在cs 低长时间的存在。

电路:

图1. cs

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