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PIC18LF4520E/SPQTP 数据表(PDF) 20 Page - Microchip Technology |
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PIC18LF4520E/SPQTP 数据表(HTML) 20 Page - Microchip Technology |
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20 / 390 page  PIC18F2420/2520/4420/4520 DS39631A-page 18 Preliminary 2004 Microchip Technology Inc. PORTB is a bidirectional I/O port. PORTB can be software programmed for internal weak pull-ups on all inputs. RB0/INT0/FLT0/AN12 RB0 INT0 FLT0 AN12 33 9 8 I/O I I I TTL ST ST Analog Digital I/O. External interrupt 0. PWM Fault input for Enhanced CCP1. Analog input 12. RB1/INT1/AN10 RB1 INT1 AN10 34 10 9 I/O I I TTL ST Analog Digital I/O. External interrupt 1. Analog input 10. RB2/INT2/AN8 RB2 INT2 AN8 35 11 10 I/O I I TTL ST Analog Digital I/O. External interrupt 2. Analog input 8. RB3/AN9/CCP2 RB3 AN9 CCP2(1) 36 12 11 I/O I I/O TTL Analog ST Digital I/O. Analog input 9. Capture 2 input/Compare 2 output/PWM 2 output. RB4/KBI0/AN11 RB4 KBI0 AN11 37 14 14 I/O I I TTL TTL Analog Digital I/O. Interrupt-on-change pin. Analog input 11. RB5/KBI1/PGM RB5 KBI1 PGM 38 15 15 I/O I I/O TTL TTL ST Digital I/O. Interrupt-on-change pin. Low-Voltage ICSP™ Programming enable pin. RB6/KBI2/PGC RB6 KBI2 PGC 39 16 16 I/O I I/O TTL TTL ST Digital I/O. Interrupt-on-change pin. In-Circuit Debugger and ICSP programming clock pin. RB7/KBI3/PGD RB7 KBI3 PGD 40 17 17 I/O I I/O TTL TTL ST Digital I/O. Interrupt-on-change pin. In-Circuit Debugger and ICSP programming data pin. 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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