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UPD17232MC Datasheet(PDF) 9 Page - NEC |
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UPD17232MC Datasheet(HTML) 9 Page - NEC |
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9 / 92 page  Data Sheet U14360EJ1V0DS00 µPD17230, 17231, 17232, 17233, 17234, 17235, 17236 9 1.1 Pin Function List (2/2) Pin No. Symbol Function Output Form On Reset 23 (24) P0C0 These pins constitute a 4-bit I/O port that can be set in the input or N-ch Low-level 24 (25) P0C1 output mode in 4-bit units (group I/O). open-drain output 25 (26) P0C2 In the input mode, these pins are CMOS input pins with a pull-up 26 (27) P0C3 resistor, and can be used as the key return input lines of a key matrix. The standby status is released when at least one of these pins goes low. In the output mode, they serve as N-ch open-drain output pins and can be used as the output lines of a key matrix. (15) IC1 These pins cannot be used. – – (30) IC2 Leave open. Remark The number in parenthesis in the Pin No. column indicates the pin numbers of the 30-pin plastic SSOP. |
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