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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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UPD75P4308GS Scheda tecnica(PDF) 7 Page - NEC |
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UPD75P4308GS Scheda tecnica(HTML) 7 Page - NEC |
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7 / 60 page  µPD75P4308 7 3.1 Port Pins (2/2) Pin name I/O Alternate Function 8-bit After I/O Circuit function I/O reset typeNote P60 I/O KR0/D0 Yes Input <F>-A P61 KR1/D1 P62 KR2/D2 P63 KR3/D3 P70 I/O KR4 Input <F>-A P71 KR5 P72 KR6 P73 KR7 P80 I/O — No Input E-B P81 — Note Circuit types in brackets indicate the Schmitt trigger input. 4-bit I/O port (PORT7). Connections of on-chip pull-up resistors are software-specifiable in 4-bit units. 2-bit I/O port (PORT8). Connections of on-chip pull-up resistors are software-specifiable in 2-bit units. Programmable 4-bit I/O port (PORT6). Input and output can be specified in single-bit units. Connections of on-chip pull-up resistors are software-specifiable in 4-bit units. Data input/output pin for program memory (PROM) write/verify (lower 4 bits). |
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