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PIC16F684 датащи(PDF) 66 Page - Microchip Technology |
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PIC16F684 датащи(HTML) 66 Page - Microchip Technology |
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66 / 192 page ![]() PIC16F684 DS41202F-page 64 © 2007 Microchip Technology Inc. FIGURE 8-8: COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM TABLE 8-2: SUMMARY OF REGISTERS ASSOCIATED WITH THE COMPARATOR AND VOLTAGE REFERENCE MODULES 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 CMCON1 — — — — — — T1GSS C2SYNC ---- --10 ---- --10 INTCON GIE PEIE T0IE INTE RAIE T0IF INTF RAIF 0000 0000 0000 0000 PIE1 EEIE ADIE CCP1IE C2IE C1IE OSFIE TMR2IE TMR1IE 0000 0000 0000 0000 PIR1 EEIF ADIF CCP1IF C2IF C1IF OSFIF TMR2IF TMR1IF 0000 0000 0000 0000 PORTA — — RA5 RA4 RA3 RA2 RA1 RA0 --x0 x000 --uu uu00 PORTC — — RC5 RC4 RC3 RC2 RC1 RC0 --xx 0000 --uu uu00 TRISA — — TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 --11 1111 --11 1111 TRISC — — TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 --11 1111 --11 1111 VRCON VREN —VRR — VR3 VR2 VR1 VR0 0-0- 0000 0-0- 0000 Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used for comparator. VRR 8R VR<3:0>(1) 16-1 Analog 8R R R R R CVREF to 16 Stages Comparator Input VREN VDD MUX VR<3:0> = 0000 VREN VRR 0 1 2 14 15 Note 1: Care should be taken to ensure VREF remains within the comparator common mode input range. See Section 15.0 “Electrical Specifications” for more detail. |
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