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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PIC16F882-I/SS 데이터시트(PDF) 50 Page - Microchip Technology |
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PIC16F882-I/SS 데이터시트(HTML) 50 Page - Microchip Technology |
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50 / 338 page  PIC16F882/883/884/886/887 DS41291G-page 50 2006-2012 Microchip Technology Inc. REGISTER 3-4: ANSELH: ANALOG SELECT HIGH REGISTER U-0 U-0 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 — — ANS13 ANS12 ANS11 ANS10 ANS9 ANS8 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 7-6 Unimplemented: Read as ‘0’ bit 5-0 ANS<13:8>: Analog Select bits Analog select between analog or digital function on pins AN<13:8>, respectively. 1 = Analog input. Pin is assigned as analog input(1). 0 = Digital I/O. Pin is assigned to port or special function. Note 1: Setting a pin to an analog input automatically disables the digital input circuitry, weak pull-ups, and interrupt-on-change if available. The corresponding TRIS bit must be set to Input mode in order to allow external control of the voltage on the pin. REGISTER 3-5: 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 bit 1 = Port pin is > VIH 0 = Port pin is < VIL REGISTER 3-6: 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 bit 1 = PORTB pin configured as an input (tri-stated) 0 = PORTB pin configured as an output |
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