CHAPTER 11 A/D CONVERTER
User’s Manual U13850EJ4V0UM
350
(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 clears ADS to 00H.
Figure 11-3. Analog Input Channel Specification Register (ADS)
After reset: 00H
R/W
Address: FFFFF3C2H
7
6
5
4
3
2
1
0
ADS
0
0
0
0
ADS3
ADS2
ADS1
ADS0
ADS3
ADS2
ADS1
ADS0
Analog Input Channel Specification
0
0
0
0
ANI0
0
0
0
1
ANI1
0
0
1
0
ANI2
0
0
1
1
ANI3
0
1
0
0
ANI4
0
1
0
1
ANI5
0
1
1
0
ANI6
0
1
1
1
ANI7
1
0
0
0
ANI8
1
0
0
1
ANI9
1
0
1
0
ANI10
1
0
1
1
ANI11
Other than above
Setting prohibited
(3) A/D converter mode register 2 (ADM2)
ADM2 specifies connection/disconnection of AV
DD
and AV
REF
.
ADM2 is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input clears ADM2 to 00H.
Figure 11-4. A/D Converter Mode Register 2 (ADM2)
After reset: 00H
R/W
Address: FFFFF3C8H
7
6
5
4
3
2
1
<0>
ADM2
0
0
0
0
0
0
0
IEAD
IEAD
A/D current cut control
0
Cut between AV
DD
and AV
REF
1
Connect between AV
DD
and AV
REF