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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC12F635ESS датащи(PDF) 59 Page - Microchip Technology |
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PIC12F635ESS датащи(HTML) 59 Page - Microchip Technology |
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59 / 234 page  © 2007 Microchip Technology Inc. DS41232D-page 57 PIC12F635/PIC16F636/639 4.3 PORTC PORTC is a general purpose I/O port consisting of 6 bidirectional pins. The pins can be configured for either digital I/O or analog input to comparator. For specific information about individual functions, refer to the appropriate section in this data sheet. EXAMPLE 4-3: INITIALIZING PORTC Note: The CMCON0 register must be initialized to configure an analog channel as a digital input. Pins configured as analog inputs will read ‘0’. BANKSEL PORTC ; CLRF PORTC ;Init PORTC MOVLW 07h ;Set RC<4,1:0> to MOVWF CMCON0 ;digital I/O BANKSEL TRISC ; MOVLW 0Ch ;Set RC<3:2> as inputs MOVWF TRISC ;and set RC<5:4,1:0> ;as outputs REGISTER 4-6: PORTC: PORTC REGISTER U-0 U-0 R/W-x R/W-x R/W-x R/W-x R/W-0 R/W-0 — — RC5 RC4 RC3 RC2 RC1 RC0 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 RC<5:0>: PORTC General Purpose I/O Pin bits 1 = Port pin is > VIH 0 = Port pin is < VIL REGISTER 4-7: TRISC: PORTC TRI-STATE REGISTER U-0 U-0 R/W-1 R/W-1 R-1 R/W-1 R/W-1 R/W-1 — — TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 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 TRISC<5:0>: PORTC Tri-State Control bits 1 = PORTC pin configured as an input (tri-stated) 0 = PORTC pin configured as an output |
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