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15.1.3 Input Pins
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Table 15-1 summarizes the A/D converter's input pins. The eight analog input pins are divided
into two groups: group 0 (AN
power supply for the analog circuits in the A/D converter. V
voltage.
Table 15-1 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
to AN
), and group 1 (AN
0
3
Abbrevi-
ation
I/O
Function
AV
Input
Analog power supply
CC
AV
Input
Analog ground and reference voltage
SS
V
Input
Analog reference voltage
REF
AN
Input
Group 0 analog inputs
0
AN
Input
1
AN
Input
2
AN
Input
3
AN
Input
Group 1 analog inputs
4
AN
Input
5
AN
Input
6
AN
Input
7
ADTRG
Input
External trigger input for starting A/D conversion
525
to AN
). AV
and AV
4
7
CC
is the A/D conversion reference
REF
are the
SS
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