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CHAPTER 12 10-BIT A/D CONVERTER ( µ PD789114, 789134 SUBSERIES)
(2) A/D input select register 0 (ADS0)
The ADS0 register specifies the port used to input the analog voltages to be converted to a digital signal. ADS0
is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input clears ADS0 to 00H.
Symbol
7
6
5
ADS0
0
0
0
ADS01
ADS00
ANI0
0
0
ANI1
0
1
ANI2
1
0
1
1
ANI3
Figure 12-3. Format of A/D Input Select Register 0
4
3
2
1
0
0
0
ADS01 ADS00
Analog input channel specification
User's Manual U13045EJ2V0UM00
0
Address
After reset
FF84H
00H
R/W
R/W
153
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