[ts-7000] ISA_OSC frequency?

[Rich Wilson <>]

I'm doing some planning, but haven't purchased a TS-7250 yet, so
I can't measure this myself.

The TS-7250 User's Manual page 26 shows the frequency of the
PC104 bus signal OSC to be 14.3 MHz.

The TS-7250 schematic shows this pin to be connected to the
signal ISA_OSC, which apparently comes from U19, a Xilinx
CPLD. I see no other connection to this signal on the schematic.
The Xilinx clock input is 14.74 MHz.

I'm highly suspicious that U19 is not capable of converting from
14.74MHz to 14.3 MHz, and that there may be a documentation
error here somewhere. What's the real frequency of the ISA
OSC pin?

Thanks.

Rich
--
Rich Wilson

425-337-7129





 
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