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PIC18F258-E/PTSQTP 数据表(PDF) 17 Page - Microchip Technology |
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PIC18F258-E/PTSQTP 数据表(HTML) 17 Page - Microchip Technology |
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17 / 402 page  © 2006 Microchip Technology Inc. DS41159E-page 15 PIC18FXX8 PORTE is a bidirectional I/O port. RE0/AN5/RD RE0 AN5 RD —8 25 9 I/O I I ST Analog TTL Digital I/O. Analog input 5. Read control for Parallel Slave Port (see WR and CS pins). RE1/AN6/WR/C1OUT RE1 AN6 WR C1OUT —9 26 10 I/O I I O ST Analog TTL Analog Digital I/O. Analog input 6. Write control for Parallel Slave Port (see CS and RD pins). Comparator 1 output. RE2/AN7/CS/C2OUT RE2 AN7 CS C2OUT —10 27 11 I/O I I O ST Analog TTL Analog Digital I/O. Analog input 7. Chip select control for Parallel Slave Port (see RD and WR pins). Comparator 2 output. VSS 19, 8 12, 31 6, 29 13, 34 — — Ground reference for logic and I/O pins. VDD 20 11, 32 7, 28 12, 35 — — Positive supply for logic and I/O pins. TABLE 1-2: PIC18FXX8 PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Name Pin Number Pin Type Buffer Type Description PIC18F248/258 PIC18F448/458 SPDIP, SOIC PDIP TQFP PLCC Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels Analog = Analog input I = Input O = Output P = Power OD = Open-Drain (no P diode to VDD) |
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