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UPD75517GFA Datasheet(PDF) 7 Page - NEC |
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UPD75517GFA Datasheet(HTML) 7 Page - NEC |
7 / 180 page 7 µPD75517(A) 1. PIN FUNCTIONS 1.1 PORT PINS (1/2) Notes 1. The circuits enclosed in circles have a Schmitt-triggered input. 2. An LED can be driven directly. P00 P01 P02 P03 P10 P11 P12 P13 P20 P21 P22 P23 P30Note 2 P31Note 2 P32Note 2 P33Note 2 P40-P43Note 2 P50-P53Note 2 P60 P61 P62 P63 P70 P71 P72 P73 INT4 SCK0 SO0/SB0 SI0/SB1 INT0 INT1 INT2 TI0 PTO0 – PCL BUZ – – – – – – KR0 KR1 KR2 KR3 KR4 KR5 KR6 KR7 × × × × r r With noise elimination function 4-bit input port (Port 0). For P01 to P03, pull-up resistors can be provided by software in units of 3 bits. 4-bit input port (Port 1). Pull-up resistors can be provided by software in units of 4 bits. 4-bit I/O port (Port 2). Pull-up resistors can be provided by software in units of 4 bits. Programmable 4-bit I/O port (Port 3). Input/output can be specified bit by bit. Pull-up resistors can be provided by software in units of 4 bits. N-ch open-drain 4-bit I/O port (Port 4). A pull-up resistor can be provided bit by bit (mask option). Withstand voltage is 10 V in open-drain mode. N-ch open-drain 4-bit I/O port (Port 5). A pull-up resistor can be provided bit by bit (mask option). Withstand voltage is 10 V in open-drain mode. Programmable 4-bit I/O port (Port 6). Input/output can be specified bit by bit. Pull-up resistors can be provided by software in units of 4 bits. 4-bit I/O port (Port 7). Pull-up resistors can be provided by software in units of 4 bits. Also used as Pin name I/O B F - A F - B M - C B - C E - B E - C M M F - C F - A 8-bit I/O Input Input Input Input High level (when a pull-up resistor is provided) or high impedance High level (when a pull-up resistor is provided) or high impedance Input Input When reset Function I I I/O I/O I/O I/O I/O I/O I/ONote 1 circuit type |
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