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PIC18C252 Datasheet(PDF) 9 Page - Microchip Technology |
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PIC18C252 Datasheet(HTML) 9 Page - Microchip Technology |
9 / 296 page © 7/99 Microchip Technology Inc. Preliminary DS39026B-page 9 PIC18CXX2 PORTB is a bi-directional I/O port. PORTB can be software programmed for internal weak pull-ups on all inputs. RB0/INT0 RB0 INT0 21 21 I/O I TTL ST Digital I/O. External Interrupt 0. RB1/INT1 RB1 INT1 22 22 I/O I TTL ST External Interrupt 1. RB2/INT2 RB2 INT2 23 23 I/O I TTL ST Digital I/O. External Interrupt 2. RB3/CCP2 RB3 CCP2 24 24 I/O I/O TTL ST Digital I/O. Capture2 input, Compare2 output, PWM2 output. RB4 25 25 I/O TTL Digital I/O. Interrupt on change pin. RB5 26 26 I/O TTL Digital I/O. Interrupt on change pin. RB6 27 27 I/O I TTL ST Digital I/O. Interrupt on change pin. ICSP programming clock. RB7 28 28 I/O I/O TTL ST Digital I/O. Interrupt on change pin. ICSP programming data. TABLE 1-2: PIC18C2X2 PINOUT I/O DESCRIPTIONS (Cont.’d) Pin Name Pin Number Pin Type Buffer Type DIP SOIC Description Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels I = Input O = Output P = Power OD = Open Drain (no P diode to VDD) |
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