DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Complete Display and Keyboard
Scanning Cycle of the µPD943 from a Royal 90K (Model UA120) manufactured in
November 1975 pressing the [=] key (SB#K0) while displaying "1." and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD943 Clock Frequency at 50 kHz.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 25, 2025. No reprints without written permission.