NEC mPD780065 Series Preliminary User's Manual page 177

(2) Analog input channel specification register (ADS0)
This register specifies the analog voltage input port for A/D conversion.
ADS0 is set by an 8-bit memory manipulation.
RESET input sets ADS0 to 00H.
Figure 11-3. Format of Analog Input Channel Specification Register (ADS0)
Address: FF81H After reset: 00H R/W
Symbol 7
ADS0 0
ADS02
0
0
0
0
1
1
1
1
CHAPTER 11 A/D CONVERTER
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
Preliminary User's Manual U13420EJ2V0UM00
3 2
0 ADS02 ADS01
Analog input channel specification
1 0
ADS00
177