317
11.1.3
Pin Configuration
Table 11-1 shows the A/D converter pin configuration.
Table 11-1 Pin Configuration
Name
Abbrev.
I/O
Function
Analog power supply
AV
CC
Input
Power supply and reference voltage of analog part
Analog ground
AV
SS
Input
Ground and reference voltage of analog part
Analog input 0
AN
0
Input
Analog input channel 0
Analog input 1
AN
1
Input
Analog input channel 1
Analog input 2
AN
2
Input
Analog input channel 2
Analog input 3
AN
3
Input
Analog input channel 3
Analog input 4
AN
4
Input
Analog input channel 4
Analog input 5
AN
5
Input
Analog input channel 5
Analog input 6
AN
6
Input
Analog input channel 6
Analog input 7
AN
7
Input
Analog input channel 7
External trigger input
ADTRG
Input
External trigger input for starting A/D conversion
11.1.4
Register Configuration
Table 11-2 shows the A/D converter register configuration.
Table 11-2 Register Configuration
Name
Abbrev.
R/W
Initial Value
Address
A/D mode register
AMR
R/W
H'30
H'FFC6
A/D start register
ADSR
R/W
H'7F
H'FFC7
A/D result register H
ADRRH
R
Not fixed
H'FFC4
A/D result register L
ADRRL
R
Not fixed
H'FFC5
Clock stop register 1
CKSTPRT1
R/W
H'FF
H'FFFA
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