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PIC18F1220E/SSSQTP Datasheet(PDF) 100 Page - Microchip Technology |
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PIC18F1220E/SSSQTP Datasheet(HTML) 100 Page - Microchip Technology |
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100 / 308 page  PIC18F1220/1320 DS39605F-page 98 © 2007 Microchip Technology Inc. TABLE 10-3: PORTB FUNCTIONS TABLE 10-4: SUMMARY OF REGISTERS ASSOCIATED WITH PORTB Name Bit# Buffer Function RB0/AN4/INT0 bit 0 TTL(1)/ST(2) Input/output port pin, analog input or external interrupt input 0. RB1/AN5/TX/CK/INT1 bit 1 TTL(1)/ST(2) Input/output port pin, analog input, Enhanced USART Asynchronous Transmit, Addressable USART Synchronous Clock or external interrupt input 1. RB2/P1B/INT2 bit 2 TTL(1)/ST(2) Input/output port pin or external interrupt input 2. Internal software programmable weak pull-up. RB3/CCP1/P1A bit 3 TTL(1)/ST(3) Input/output port pin or Capture1 input/Compare1 output/ PWM output. Internal software programmable weak pull-up. RB4/AN6/RX/DT/KBI0 bit 4 TTL(1)/ST(4) Input/output port pin (with interrupt-on-change), analog input, Enhanced USART Asynchronous Receive or Addressable USART Synchronous Data. RB5/PGM/KBI1 bit 5 TTL(1)/ST(5) Input/output port pin (with interrupt-on-change). Internal software programmable weak pull-up. Low-Voltage ICSP enable pin. RB6/PGC/T1OSO/T13CKI/ P1C/KBI2 bit 6 TTL(1)/ST(5,6) Input/output port pin (with interrupt-on-change), Timer1/ Timer3 clock input or Timer1oscillator output. Internal software programmable weak pull-up. Serial programming clock. RB7/PGD/T1OSI/P1D/KBI3 bit 7 TTL(1)/ST(5) Input/output port pin (with interrupt-on-change) or Timer1 oscillator input. Internal software programmable weak pull-up. Serial programming data. Legend: TTL = TTL input, ST = Schmitt Trigger input Note 1: This buffer is a TTL input when configured as a port input pin. 2: This buffer is a Schmitt Trigger input when configured as the external interrupt. 3: This buffer is a Schmitt Trigger input when configured as the CCP1 input. 4: This buffer is a Schmitt Trigger input when used as EUSART receive input. 5: This buffer is a Schmitt Trigger input when used in Serial Programming mode. 6: This buffer is a TTL input when used as the T13CKI input. Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on POR, BOR Value on all other Resets PORTB RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0 xxxq qqqq uuuu uuuu LATB LATB Data Output Register xxxx xxxx uuuu uuuu TRISB PORTB Data Direction Register 1111 1111 1111 1111 INTCON GIE/GIEH PEIE/GIEL TMR0IE INT0IE RBIE TMR0IF INT0IF RBIF 0000 000x 0000 000u INTCON2 RBPU INTEDG0 INTEDG1 INTEDG2 — TMR0IP —RBIP 1111 -1-1 1111 -1-1 INTCON3 INT2IP INT1IP — INT2IE INT1IE — INT2IF INT1IF 11-0 0-00 11-0 0-00 ADCON1 — PCFG6 PCFG5 PCFG4 PCFG3 PCFG2 PCFG1 PCFG0 -000 0000 -000 0000 Legend: x = unknown, u = unchanged, q = value depends on condition. Shaded cells are not used by PORTB. |
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