HD404019RFS is company product |
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![]() HD404019RFS PDF Download |
File Size : | 218799 KB |
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| Description: |
...pins including high-current output pins to directly drive fluorescent displays.The HD404019R series includes four chips. The HD404019R and HD40L4019R are Mask ROM versions.The HD4074019 and HD407L4019 are PROM versions. The HD40L4019R and HD407L4019 are low-voltage operation versions.... ...? Two timer/counters 8-bit free-running timer 8-bit auto-reload timer/counter? Clock synchronous 8-bit serial interface... ...timer can function as an interval timer periodically generating overflow output at every 256th clock signalinput.The clock input signals to timer A are selected by timer mode register A (TMA: $008).Timer B Operation: Timer mode register B (TMB: $009) selects the auto-reload function, input clock... |
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