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PIC12F1822-I/MF データシート(PDF) 126 Page - Microchip Technology |
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PIC12F1822-I/MF データシート(HTML) 126 Page - Microchip Technology |
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126 / 398 page  PIC12F/LF1822/16F/LF1823 DS41413A-page 126 Preliminary 2010 Microchip Technology Inc. TABLE 12-3: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC(1) REGISTER 12-10: ANSELC: PORTC ANALOG SELECT REGISTER U-0 U-0 U-0 U-0 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 — — — — ANSC3 ANSC2 ANSC1 ANSC0 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 7-4 Unimplemented: Read as ‘0’ bit 3-0 ANSC<3:0>: Analog Select between Analog or Digital Function on pins RC<3:0>, respectively 0 = Digital I/O. Pin is assigned to port or digital special function. 1 = Analog input. Pin is assigned as analog input(1). Digital input buffer disabled. Note 1: When setting a pin to an analog input, the corresponding TRIS bit must be set to Input mode in order to allow external control of the voltage on the pin. REGISTER 12-11: WPUC: WEAK PULL-UP PORTC REGISTER U-0 U-0 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 — — WPUC5 WPUC4 WPUC3 WPUC2 WPUC1 WPUC0 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 7-6 Unimplemented: Read as ‘0’ bit 5-0 WPUC<5:0>: Weak Pull-up Register bits 1 = Pull-up enabled 0 = Pull-up disabled Note 1: Global WPUEN bit of the OPTION register must be cleared for individual pull-ups to be enabled. 2: The weak pull-up device is automatically disabled if the pin is in configured as an output. Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register on Page ANSELC — — — — ANSC3 ANSC2 ANSC1 ANSC0 126 LATC — — LATC5 LATC4 LATC3 LATC2 LATC1 LATC0 125 OPTION_REG WPUEN INTEDG TMR0CS TMR0SE PSA PS<2:0> 171 PORTC — — RC5 RC4 RC3 RC2 RC1 RC0 125 TRISC — — TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 125 WPUC — — WPUC5 WPUC4 WPUC3 WPUC2 WPUC1 WPUC0 126 Legend: x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTC. Note 1: PIC16F/LF1823 only. |
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