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PIC16F916E/P301 Datasheet(PDF) 102 Page - Microchip Technology |
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PIC16F916E/P301 Datasheet(HTML) 102 Page - Microchip Technology |
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102 / 272 page ![]() PIC16F917/916/914/913 DS41250E-page 100 Preliminary © 2005 Microchip Technology Inc. REGISTER 8-3: VRCON – VOLTAGE REFERENCE CONTROL REGISTER (ADDRESS: 9Dh) TABLE 8-2: REGISTERS ASSOCIATED WITH COMPARATOR MODULE R/W-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 VREN —VRR — VR3 VR2 VR1 VR0 bit 7 bit 0 bit 7 VREN: CVREF Enable bit 1 = CVREF circuit powered on 0 = CVREF circuit powered down, no IDD drain and CVREF = VSS. bit 6 Unimplemented: Read as ‘0’ bit 5 VRR: CVREF Range Selection bit 1 = Low range 0 = High range bit 4 Unimplemented: Read as ‘0’ bit 3-0 VR<3:0>: CVREF value selection 0 ≤ VR<3:0> ≤ 15 When VRR = 1: CVREF = (VR<3:0>/24) * VDD When VRR = 0: CVREF = VDD/4 + (VR<3:0>/32) * VDD 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 Address 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 0Bh/8Bh INTCON GIE PEIE T0IE INTE RBIE T0IF INTF RBIF 0000 000x 0000 000x 0Dh PIR2 OSFIF C2IF C1IF LCDIF — LVDIF — CCP2IF 0000 -0-0 0000 -0-0 9Ch CMCON0 C2OUT C1OUT C2INV C1INV CIS CM2 CM1 CM0 0000 0000 0000 0000 97h CMCON1 — — — — — — T1GSS C2SYNC ---- --10 ---- --10 85h TRISA TRISA7 TRISA6 TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 1111 1111 1111 1111 8Dh PIE2 OSFIE C2IE C1IE LCDIE —LVDIE — CCP2IE 0000 -0-0 0000 -0-0 9Dh 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 by the comparator or Comparator Voltage Reference module. |
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