PIC18F1XK22 Datasheet, PDF (214/388 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC18F1XK22/LF1XK22
REGISTER 16-2: ADCON1: A/D CONTROL REGISTER 1
U-0
—
bit 7
U-0
U-0
U-0
R/W-0
—
—
—
PVCFG1
R/W-0
PVCFG0
R/W-0
NVCFG1
R/W-0
NVCFG0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-4
bit 3-2
bit 1-0
Unimplemented: Read as ‘0’
PVCFG<1:0>: Positive Voltage Reference select bit
00 = Positive voltage reference supplied internally by VDD.
01 = Positive voltage reference supplied externally through VREF+ pin.
10 = Positive voltage reference supplied internally through FVR.
11 = Reserved.
NVCFG<1:0>: Negative Voltage Reference select bit
00 = Positive voltage reference supplied internally by VSS.
01 = Positive voltage reference supplied externally through VREF- pin.
10 = Reserved.
11 = Reserved.
DS41365D-page 214
Preliminary
 2010 Microchip Technology Inc.