Re: TI-H: link port specs
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Re: TI-H: link port specs
>From: Grant Stockly <gussie@stockly.com>
>> Unsloder the cap like you would for a speed-up. Look at the chip pinout.
>> Pull the pin. make an osc. out of a Hex inverter chip and crystal.
>
>Grant, have you looked at the timing pulse with a 'scope? When I checked it
>it on one of my 85's it looked a bit strange, low for half the cycle, then
>instead of high for the other half, the 'scope trace turns into a solid bar
>between 0 and Vcc. Like it was oscillating really fast during the up time
>or something.
Thats fine. OSC inputs only need to be just above GND. The pulses don't
need to be even, especially on a calculator.
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