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Additional Pictures 

 

Short pause between Digits D9 and D1 of Display and Keyboard Scanning Cycle of the µPD278 from an Olympia CD44S manufactured in March 1976
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD278 Clock Frequency at 50 kHz.

Complete Display and Keyboard Scanning Cycle of the µPD278 from an Olympia CD44S manufactured in March 1976 pressing the [2] key (SB#K0)
while displaying "2." and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD278 Clock Frequency at 50 kHz.

Six complete Display and Keyboard Scanning Cycles of the µPD278 from an Olympia CD44S manufactured in March 1976
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD278 Clock Frequency at 50 kHz.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, March 8, 2025. No reprints without written permission.