User`s manual

147
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
Address 00EF16
A-D Control Register
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register (ADCON) [Address 00EF16]
B
After reset
RW
0
to
2
Analog input pin selection
bits
(ADIN0 to ADIN2)
Name Functions
b2 b1 b0
0 0 0 : AD1
0 0 1 : AD2
0 1 0 : AD3
0 1 1 : AD4
1 0 0 : AD5
1 0 1 : AD6
1 1 0 : AD7
1 1 1 : AD8
4
V
CC connection selection bit
(ADVREF)
0: OFF
1: ON
0
0
6
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
RW
RW
R
—
3
A-D conversion completion
bit (ADSTR)
0: Conversion in progress
1: Convertion completed
1
RW
7
Fix this bit to “0.”
RW
00
Indeterminate
5
Fix this bit to “0.”
RW
0
0