您好,1298的datasheet看到这有点糊涂了。
1、RDATAC Opcode时,START到底是低还是高? 从时序图上看实线是高、虚线是低,请问实线虚线有什么区别?
2、 同时在DOUT输出的Status register指的是哪个寄存器。紧接着输入8通道的转换数据。这个时候的START还是高,但资料上面说的是在控制转换数据的时候START应该为低。 请问意思是不是数据控制和数据输出是两个不同的过程?
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注意看图前面那段英文解释..............To retrieve data from the device after RDATAC command is issued, make sure either the START pin is high or the START command is issued.................