PIC18F23K22 Datasheet, PDF (299/492 Pages) Microchip Technology – 28/40/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology

PIC18(L)F2X/4XK22
REGISTER 17-1: ADCON0: A/D CONTROL REGISTER 0 (CONTINUED)
bit 0
ADON: ADC Enable bit
1 = ADC is enabled
0 = ADC is disabled and consumes no operating current
Note 1: Available on PIC18(L)F4XK22 devices only.
2: Allow greater than 15 s acquisition time when measuring the Fixed Voltage Reference.
REGISTER 17-2: ADCON1: A/D CONTROL REGISTER 1
R/W-0
U-0
U-0
U-0
R/W-0
R/W-0
TRIGSEL
—
—
—
PVCFG<1:0>
bit 7
R/W-0
R/W-0
NVCFG<1:0>
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
bit 6-4
bit 3-2
bit 1-0
TRIGSEL: Special Trigger Select bit
1 = Selects the special trigger from CTMU
0 = Selects the special trigger from CCP5
Unimplemented: Read as ‘0’
PVCFG<1:0>: Positive Voltage Reference Configuration bits
00 = A/D VREF+ connected to internal signal, AVDD
01 = A/D VREF+ connected to external pin, VREF+
10 = A/D VREF+ connected to internal signal, FVR BUF2
11 = Reserved (by default, A/D VREF+ connected to internal signal, AVDD)
NVCFG0<1:0>: Negative Voltage Reference Configuration bits
00 = A/D VREF- connected to internal signal, AVSS
01 = A/D VREF- connected to external pin, VREF-
10 = Reserved (by default, A/D VREF+ connected to internal signal, AVSS)
11 = Reserved (by default, A/D VREF+ connected to internal signal, AVSS)
 2010 Microchip Technology Inc.
Preliminary
DS41412B-page 299