MITSUBISHI MICROCOMPUTERS
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
b7
b0
A-D control register
(Address 00D916
)
Analog input selection bits
000 : IN
001 : IN 1
0
010 : IN
011 : IN
100 : IN
101 : IN
110 : IN
111 : IN
2
3
4
5
6
7
(Note)
A-D conversion end bit
0 : Under conversion
1 : End conversion
VREF connection selection bit
0 : VREF is separated
1 : VREF is connected
Nothing is allocated
(The value is undefined at reading)
This bit must be set to “0”.
to IN7 in the 7470 group.
Note : Do not select IN
4
Fig. 12 Structure of A-D control register
21