Datasheet

PIC18(L)F1XK22
DS41365E-page 210  2009-2011 Microchip Technology Inc.
REGISTER 16-2: ADCON1: A/D CONTROL REGISTER 1
U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — — — PVCFG1 PVCFG0 NVCFG1 NVCFG0
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 7-4 Unimplemented: Read as ‘0’
bit 3-2 PVCFG<1:0>: Positive Voltage Reference select bit
00 = Positive voltage reference supplied internally by V
DD.
01 = Positive voltage reference supplied externally through V
REF+ pin.
10 = Positive voltage reference supplied internally through FVR.
11 = Reserved.
bit 1-0 NVCFG<1:0>: Negative Voltage Reference select bit
00 = Positive voltage reference supplied internally by VSS.
01 = Positive voltage reference supplied externally through V
REF- pin.
10 = Reserved.
11 = Reserved.