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PIC16F616-I/MLQTP Datasheet(PDF) 42 Page - Microchip Technology |
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PIC16F616-I/MLQTP Datasheet(HTML) 42 Page - Microchip Technology |
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42 / 180 page  PIC16F610/616/16HV610/616 DS41288C-page 40 Preliminary © 2007 Microchip Technology Inc. 4.3 PORTC and the TRISC Registers 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 A/D Converter (ADC) or Comparator. For specific information about individual functions such as the Enhanced CCP or the ADC, refer to the appropriate section in this data sheet. EXAMPLE 4-2: INITIALIZING PORTC Note: The ANSEL register must be initialized to configure an analog channel as a digital input. Pins configured as analog inputs will read ‘0’ and cannot generate an interrupt. BCF STATUS,RP0 ;Bank 0 CLRF PORTC ;Init PORTC BSF STATUS,RP0 ;Bank 1 CLRF ANSEL ;digital I/O MOVLW 0Ch ;Set RC<3:2> as inputs MOVWF TRISC ;and set RC<5:4,1:0> ;as outputs BCF STATUS,RP0 ;Bank 0 REGISTER 4-6: PORTC: PORTC REGISTER U-0 U-0 R/W-x R/W-x R/W-0 R/W-0 R/W-x R/W-x — — 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 I/O Pin bit 1 = PORTC pin is > VIH 0 = PORTC pin is < VIL REGISTER 4-7: TRISC: PORTC TRI-STATE REGISTER U-0 U-0 R/W-1 R/W-1 R/W-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 bit 1 = PORTC pin configured as an input (tri-stated) 0 = PORTC pin configured as an output |
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