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UPD75P0076CU Datasheet(PDF) 8 Page - NEC |
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UPD75P0076CU Datasheet(HTML) 8 Page - NEC |
8 / 62 page µPD75P0076 8 3.2 Non-port Pins (2/2) Pin name I/O Alternate function Function After Circuit reset type MD0 to MD3 I P30 to 33 Mode selection for program memory (PROM) Input E-B write/verify. D0 to D3 I/O P40 to 43 Data bus pin for program memory (PROM) write/verify. Input M-E D4 to D7 P50 to 53 VPPNote — — Programmable voltage supply in program memory — — (PROM) write/verify mode. In normal operation mode, connect directly to VDD. Apply +12.5 V in PROM write/verify mode. VDD — — Positive power supply — — VSS — — Ground — — Note During normal operation, the VPP pin will not operate normally unless connected to VDD pin. |
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