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PIC18F2420-E/P 数据表(PDF) 21 Page - Microchip Technology |
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PIC18F2420-E/P 数据表(HTML) 21 Page - Microchip Technology |
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21 / 412 page ![]() © 2008 Microchip Technology Inc. DS39631E-page 19 PIC18F2420/2520/4420/4520 PORTC is a bidirectional I/O port. RC0/T1OSO/T13CKI RC0 T1OSO T13CKI 15 34 32 I/O O I ST — ST Digital I/O. Timer1 oscillator output. Timer1/Timer3 external clock input. RC1/T1OSI/CCP2 RC1 T1OSI CCP2(2) 16 35 35 I/O I I/O ST CMOS ST Digital I/O. Timer1 oscillator input. Capture 2 input/Compare 2 output/PWM2 output. RC2/CCP1/P1A RC2 CCP1 P1A 17 36 36 I/O I/O O ST ST — Digital I/O. Capture 1 input/Compare 1 output/PWM1 output. Enhanced CCP1 output. RC3/SCK/SCL RC3 SCK SCL 18 37 37 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 23 42 42 I/O I I/O ST ST ST Digital I/O. SPI data in. I2C data I/O. RC5/SDO RC5 SDO 24 43 43 I/O O ST — Digital I/O. SPI data out. RC6/TX/CK RC6 TX CK 25 44 44 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 26 1 1 I/O I I/O ST ST ST Digital I/O. EUSART asynchronous receive. EUSART synchronous data (see related TX/CK). TABLE 1-3: PIC18F4420/4520 PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Name Pin Number Pin Type Buffer Type Description PDIP QFN TQFP 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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