M37281EKSP Datasheet, PDF (147/172 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
Address 00EF16
A-D Control Register
b7 b6 b5 b4 b3 b2 b1 b0
00
A-D control register (ADCON) [Address 00EF16]
B
Name
0 Analog input pin selection
to bits
2 (ADIN0 to ADIN2)
3 ^{A-D conversion completion}
bit (ADSTR)
4 ^{VCC connection selection bit}
(ADVREF)
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
0: Conversion in progress
1: Convertion completed
0: OFF
1: ON
5 Fix this bit to “0.”
6 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
7 Fix this bit to “0.”
After reset R W
0
RW
1
RW
0
RW
0
RW
Indeterminate _{R —}
0
RW
Rev.1.01 2003.07.16 page 147 of 170