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14.1.3
Pin Configuration
Table 14.1 summarizes the A/D converter's input pins. The eight analog input pins are divided
into two groups: group 0 (AN
supply for the analog circuits in the A/D converter. V
Table 14.1 A/D Converter Pins
Pin Name
Analog power supply pin
Analog ground pin
Reference voltage pin
Analog input pin 0
Analog input pin 1
Analog input pin 2
Analog input pin 3
Analog input pin 4
Analog input pin 5
Analog input pin 6
Analog input pin 7
A/D external trigger input pin ADTRG
to AN
), and group 1 (AN
0
3
Abbrevi-
ation
I/O
AV
Input
CC
AV
Input
SS
V
Input
REF
AN
Input
0
AN
Input
1
AN
Input
2
AN
Input
3
AN
Input
4
AN
Input
5
AN
Input
6
AN
Input
7
Input
to AN
). AV
4
7
is the A/D conversion reference voltage.
REF
Function
Analog power supply
Analog ground and reference voltage
Analog reference voltage
Group 0 analog inputs
Group 1 analog inputs
External trigger input for starting A/D conversion
and AV
are the power
CC
SS
399
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