M37225M6 Datasheet, PDF (50/126 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37225M6/M8/MA/MC-XXXSP, M37225ECSP
A-D Control Register
b7 b6 b5 b4 b3 b2 b1 b0
00
A-D control register (ADCON) [Address 00DF16]
B
Name
Functions
0 Analog input pin selection
to bits
2 (ADIN0 to ADIN2)
3 A-D conversion completion
bit (ADSTR)
4 ^{VCC connection selection bit}
(ADVREF)
b2 b1 b0
0 0 0 : A-D1
0 0 1 : A-D2
0 1 0 : A-D3
0 1 1 : A-D4
1 0 0 : A-D5
1 0 1 : A-D6
1 1 0 : A-D7
1 1 1 : A-D8
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
Fig. 8.8.2 A-D Control Register
Rev.1.00 Nov 01, 2000 page 50 of 124
REJ03B0136-0100Z