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INTEDG 数据表(PDF) 140 Page - Microchip Technology |
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INTEDG 数据表(HTML) 140 Page - Microchip Technology |
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140 / 478 page  PIC16(L)F1946/47 DS41414D-page 140 2010-2012 Microchip Technology Inc. 12.10 Register Definitions: PORTD REGISTER 12-13: PORTD: PORTD REGISTER R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u RD7 RD6 RD5 RD4 RD3 RD2 RD1 RD0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7-0 RD<7:0>: PORTD General Purpose I/O Pin bits 1 = Port pin is > VIH 0 = Port pin is < VIL REGISTER 12-14: TRISD: PORTD TRI-STATE REGISTER R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 TRISD7 TRISD6 TRISD5 TRISD4 TRISD3 TRISD2 TRISD1 TRISD0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7-0 TRISD<7:0>: PORTD Tri-State Control bits 1 = PORTD pin configured as an input (tri-stated) 0 = PORTD pin configured as an output REGISTER 12-15: LATD: PORTD DATA LATCH REGISTER R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u LATD7 LATD6 LATD5 LATD4 LATD3 LATD2 LATD1 LATD0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7-0 LATD<7:0>: PORTD Output Latch Value bits(1) Note 1: Writes to PORTD are actually written to corresponding LATD register. Reads from PORTD register is return of actual I/O pin values. |
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