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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC12F635E/SS датащи(PDF) 43 Page - Microchip Technology |
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PIC12F635E/SS датащи(HTML) 43 Page - Microchip Technology |
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43 / 196 page  © 2005 Microchip Technology Inc. Preliminary DS41232B-page 41 PIC12F635/PIC16F636/639 REGISTER 4-3: PORTA – PORTA REGISTER (ADDRESS: 05h) REGISTER 4-4: TRISA – PORTA TRI-STATE REGISTER (ADDRESS: 85h) U-0 U-0 R/W-x R/W-x R-x R/W-x R/W-0 R/W-0 — — RA5 RA4 RA3 RA2 RA1 RA0 bit 7 bit 0 bit 7-6: Unimplemented: Read as ‘0’ bit 5-0: RA<5:0>: PORTA I/O pins 1 = Port pin is > VIH 0 = Port pin is < VIL 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 U-0 U-0 R/W-1 R/W-1 R-1 R/W-1 R/W-1 R/W-1 — — TRISA5(2) TRISA4(2) TRISA3(1) TRISA2 TRISA1 TRISA0 bit 7 bit 0 bit 7-6: Unimplemented: Read as ‘0’ bit 5-0: TRISA<5:0>: PORTA Tri-State Control bits(1,2) 1 = PORTA pin configured as an input (tri-stated) 0 = PORTA pin configured as an output Note 1: TRISA<3> always reads ‘1’. 2: TRISA<5:4> always reads ‘1’ in XT, HS and LP Oscillator modes. 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 |
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