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(2) Analog input channel specification register (ADS)
ADS specifies the port for inputting an analog voltage to be converted into a digital signal.
ADS is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets ADS to 00H.
Figure 11-3. Format of Analog Input Channel Specification Register (ADS)
After reset:
00H
7
ADS
0
ADS3
0
0
0
0
0
0
0
0
1
1
1
1
Others
CHAPTER 11
R/W
Address : FFFFF3C2H
6
5
0
0
ADS2
ADS1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
0
0
0
0
0
1
0
1
A/D CONVERTER
4
3
0
ADS3
ADS2
ADS0
Analog Input Channel Specification
0
ANI0
1
ANI1
0
ANI2
1
ANI3
0
ANI4
1
ANI5
0
ANI6
1
ANI7
0
ANI8
1
ANI9
0
ANI10
1
ANI11
Setting prohibited
2
1
0
ADS1
ADS0
307
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