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CHAPTER 13 10-BIT A/D CONVERTER ( µ PD780354, 780354Y SUBSERIES)
(2) Analog input channel specification register 0 (ADS0)
This register specifies the analog voltage input port for A/D conversion.
ADS0 is set by an 8-bit memory manipulation instruction.
RESET input sets the value of this register to 00H.
Figure 13-4. Format of Analog Input Channel Specification Register 0 (ADS0)
Address: FF81H After reset: 00H R/W
Symbol
7
ADS0
0
ADS02
0
0
0
0
1
1
1
1
6
5
4
0
0
0
ADS01
ADS00
0
0
ANI0
0
1
ANI1
1
0
ANI2
1
1
ANI3
0
0
ANI4
0
1
ANI5
1
0
ANI6
1
1
ANI7
User's Manual U15798EJ2V0UD
3
2
0
ADS02
ADS01
Analog input channel specification
1
0
ADS00
249
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