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PIC18F2520E/MLQTP 数据表(PDF) 17 Page - Microchip Technology |
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PIC18F2520E/MLQTP 数据表(HTML) 17 Page - Microchip Technology |
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17 / 390 page ![]() 2004 Microchip Technology Inc. Preliminary DS39631A-page 15 PIC18F2420/2520/4420/4520 PORTC is a bidirectional I/O port. RC0/T1OSO/T13CKI RC0 T1OSO T13CKI 11 8 I/O O I ST — ST Digital I/O. Timer1 oscillator output. Timer1/Timer3 external clock input. RC1/T1OSI/CCP2 RC1 T1OSI CCP2(2) 12 9 I/O I I/O ST Analog ST Digital I/O. Timer1 oscillator input. Capture 2 input/Compare 2 output/PWM 2 output. RC2/CCP1 RC2 CCP1 13 10 I/O I/O ST ST Digital I/O. Capture 1 input/Compare 1 output/PWM 1 output. RC3/SCK/SCL RC3 SCK SCL 14 11 I/O I/O I/O ST ST ST Digital I/O. Synchronous serial clock input/output for SPI™ mode. Synchronous serial clock input/output for I2C™ mode. RC4/SDI/SDA RC4 SDI SDA 15 12 I/O I I/O ST ST ST Digital I/O. SPI data in. I2C data I/O. RC5/SDO RC5 SDO 16 13 I/O O ST — Digital I/O. SPI data out. RC6/TX/CK RC6 TX CK 17 14 I/O O I/O ST — ST Digital I/O. EUSART asynchronous transmit. EUSART synchronous clock (see related RX/DT). RC7/RX/DT RC7 RX DT 18 15 I/O I I/O ST ST ST Digital I/O. EUSART asynchronous receive. EUSART synchronous data (see related TX/CK). RE3 — — — — See MCLR/VPP/RE3 pin. VSS 8, 19 5, 16 P — Ground reference for logic and I/O pins. VDD 20 17 P — Positive supply for logic and I/O pins. TABLE 1-2: PIC18F2420/2520 PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Name Pin Number Pin Type Buffer Type Description PDIP, SOIC QFN Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels I = Input O = Output P = Power Note 1: Default assignment for CCP2 when configuration bit CCP2MX is set. 2: Alternate assignment for CCP2 when configuration bit CCP2MX is cleared. |
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