PIC18F23K20 MICROCHIP [Microchip Technology], PIC18F23K20 Datasheet - Page 265
![no-image](/images/no-image-200.jpg)
PIC18F23K20
Manufacturer Part Number
PIC18F23K20
Description
28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F23K20.pdf
(456 pages)
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19.0
The
conversion of an analog input signal to a 10-bit binary
representation of that signal. This device uses analog
inputs, which are multiplexed into a single sample and
hold circuit. The output of the sample and hold is
connected to the input of the converter. The converter
generates a 10-bit binary result via successive
approximation and stores the conversion result into the
ADC result registers (ADRESL and ADRESH).
The ADC voltage reference is software selectable to
either V
pins.
The ADC can generate an interrupt upon completion of
a conversion. This interrupt can be used to wake-up the
device from Sleep.
Figure 19-1 shows the block diagram of the ADC.
FIGURE 19-1:
2010 Microchip Technology Inc.
Analog-to-Digital
DD
ANALOG-TO-DIGITAL
CONVERTER (ADC) MODULE
or a voltage applied to the external reference
ADC BLOCK DIAGRAM
AN10
AN12
AN11
FVR
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
Converter
Unused
Unused
CHS<3:0>
V
REF
V
REF
(ADC)
-
+
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
AV
SS
AV
allows
GO/DONE
DD
VCFG0 = 0
VCFG0 = 1
VCFG1 = 0
VCFG1 = 1
ADON
V
SS
PIC18F2XK20/4XK20
ADC
ADFM
ADRESH
0 = Left Justify
1 = Right Justify
10
ADRESL
10
DS41303G-page 265
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