At 08:42 PM 7/4/2000 +0200, Andrew Tuckey wrote:
[SNIP]
>One of the main delays I want to avoid is getting data from the A/Ds.
>currently I'm using a couple of C40s, and I have to slow down the bus speed
>(currently using 5 wait states) to get the data from the analogue or digital
>I/O boards. With a 10kHz sample rate I don't get much time to move data over
>the backplane so I figure that I could do it faster with the chips closer
>i.e. on the main board. Again, I'm not sure of the details.
Why aren't you using an ADC board which supports DMA? If you did, you
wouldn't be worried about the CPU's response time to interrupts.
Norm
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