PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 134

• Manufacturer Part Number: PIC12F1840
• Description: 8-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F/LF1840
REGISTER 16-2:
DS41441A-page 134
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7
bit 6-4
bit 3-2
bit 1-0
Note 1:
R/W-0/0
ADFM
When selecting the FVR or the V
minimum voltage specification exists. See
ADFM: A/D Result Format Select bit
1 = Right justified. Six Most Significant bits of ADRESH are set to ‘0’ when the conversion result is
0 = Left justified. Six Least Significant bits of ADRESL are set to ‘0’ when the conversion result is
ADCS<2:0>: A/D Conversion Clock Select bits
000 = F
001 = F
010 = F
011 = F
100 = F
101 = F
110 = F
111 = F
Unimplemented: Read as ‘0’
ADPREF<1:0>: A/D Positive Voltage Reference Configuration bits
00 = V
01 = Reserved
10 = V
11 = V
R/W-0/0
loaded.
loaded.
ADCON1: A/D CONTROL REGISTER 1
REF
REF
REF
OSC
OSC
OSC
RC
OSC
OSC
OSC
RC
(clock supplied from a dedicated RC oscillator)
(clock supplied from a dedicated RC oscillator)
is connected to V
is connected to external V
is connected to internal Fixed Voltage Reference (FVR) module
/2
/8
/32
/4
/16
/64
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
ADCS<2:0>
R/W-0/0
REF
DD
R/W-0/0
+ pin as the source of the positive reference, be aware that a
Preliminary
REF
Section 30.0 “Electrical Specifications”
pin
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
(1)
U-0
—
U-0
—
 2011 Microchip Technology Inc.
(1)
R/W-0/0
ADPREF<1:0>
for details.
R/W-0/0
bit 0