HD404652S microcomputer equivalent, 4-bit single-chip microcomputer.
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* 27 I/O pins and 5 dedicated input pins 10 high-current output pins: Six 15-mA sinks and four 10-mA sources
* Three timer/counters
* E.
The HD404654 Series is a member of the HMCS400-series of microcomputers designed to increase program productivity with large-capacity memory. Each microcomputer has a high-precision dual-tone multi-frequency (DTMF) generator, three timers, serial int.
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