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PIC16F688-I/ML датащи(PDF) 46 Page - Microchip Technology |
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PIC16F688-I/ML датащи(HTML) 46 Page - Microchip Technology |
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46 / 204 page ![]() PIC16F688 DS41203E-page 44 © 2009 Microchip Technology Inc. 4.3.5 RC4/C2OUT/TX/CK Figure 4-9 shows the diagram for this pin. The RC4 is configurable to function as one of the following: • a general purpose I/O • a digital output from the comparator • a digital I/O for the EUSART FIGURE 4-9: BLOCK DIAGRAM OF RC4 4.3.6 RC5/RX/DT The RC5 is configurable to function as one of the following: • a general purpose I/O • a digital I/O for the EUSART FIGURE 4-10: BLOCK DIAGRAM OF RC5 PIN TABLE 4-2: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC I/O Pin VDD VSS D Q CK Q D Q CK Q Data Bus WR PORTC WR TRISC RD TRISC RD PORTC 1 0 USART Select(1) C2OUT EN Note 1: USART Select signals selects between port data and peripheral output. To EUSART CLK Input C2OUT 1 0 EUSART TX/CLKOUT I/O Pin VDD VSS D Q CK Q D Q CK Q Data Bus WR PORTC WR TRISC RD TRISC To EUSART RX/DT In RD PORTC 0 1 EUSART EUSART Out Enable DT Out Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on POR, BOR Value on all other Resets ANSEL ANS7 ANS6 ANS5 ANS4 ANS3 ANS2 ANS1 ANS0 1111 1111 1111 1111 CMCON0 C2OUT C1OUT C2INV C1INV CIS CM2 CM1 CM0 0000 0000 0000 0000 PORTC — — RC5 RC4 RC3 RC2 RC1 RC0 --xx 0000 --xx 0000 TRISC — — TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 --11 1111 --11 1111 Legend: x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTC. |
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