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PIC16F722AT-I/SP Datasheet(PDF) 57 Page - Microchip Technology |
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PIC16F722AT-I/SP Datasheet(HTML) 57 Page - Microchip Technology |
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57 / 284 page  2010 Microchip Technology Inc. DS41417A-page 57 PIC16F/LF722A/723A REGISTER 6-5: PORTB: PORTB REGISTER R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-0 RB<7:0>: PORTB I/O Pin bits 1 = Port pin is > VIH 0 = Port pin is < VIL REGISTER 6-6: TRISB: PORTB TRI-STATE REGISTER R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 TRISB7 TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-0 TRISB<7:0>: PORTB Tri-State Control bits 1 = PORTB pin configured as an input (tri-stated) 0 = PORTB pin configured as an output REGISTER 6-7: WPUB: WEAK PULL-UP PORTB REGISTER R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 WPUB7 WPUB6 WPUB5 WPUB4 WPUB3 WPUB2 WPUB1 WPUB0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-0 WPUB<7:0>: Weak Pull-up Register bits 1 = Pull-up enabled 0 = Pull-up disabled Note 1: Global RBPU bit of the OPTION register must be cleared for individual pull-ups to be enabled. 2: The weak pull-up device is automatically disabled if the pin is in configured as an output. |
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