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CHAPTER 10 8-BIT A/D CONVERTER (
(2)
Analog input channel specification register 0 (ADS0)
ADS0 specifies the port used to input the analog voltage to be converted to a digital signal.
ADS0 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets ADS0 to 00H.
Figure 10-3. Format of Analog Input Channel Specification Register 0
Symbol
7
6
ADS0
0
0
ADS02
ADS01
0
0
0
0
0
1
0
1
1
0
1
0
Other than above
Caution Bits 3 to 7 must be set to 0.
192
5
4
3
0
0
0
ADS00
ANI0
0
ANI1
1
ANI2
0
ANI3
1
ANI4
0
ANI5
1
Setting prohibited
User's Manual U15075EJ2V1UD
µ
PD789426 AND 789446 SUBSERIES)
2
1
0
ADS02
ADS01
ADS00
Analog input channel specification
Address
After reset
R/W
FF84H
00H
R/W
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