M306V2ME Datasheet, PDF (154/276 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306V2ME-XXXFP
M306V2EEFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
A-D control register 0 (Note)
b7 b6 b5 b4 b3 b2 b1 b0
00 0
Symbol
ADCON0
Address
03D616
When reset
00000???2
Bit symbol
Bit name
CH0
Analog input pin select
bit
CH1
CH2
MD0
MD1
A-D operation mode
select bit 0
Function
b2 b1 b0
0 0 0 : Do not set
0 0 1 : Do not set
0 1 0 : AN0 is selected
0 1 1 : AN1 is selected
1 0 0 : AN2 is selected
1 0 1 : AN3 is selected
1 1 0 : AN4 is selected
1 1 1 : AN5 is selected
b4 b3
0 0 : One-shot mode
(Note 2)
(Note 2)
RW
Reserved bit
Must always be set to “0”
ADST
A-D conversion start flag 0 : A-D conversion disabled
1 : A-D conversion started
CKS0
Frequency select bit 0
0: fAD/4 is selected
1: fAD/2 is selected
Notes 1: If the A-D control register is rewritten during A-D conversion, the conversion
result is indeterminate.
2: When changing A-D operation mode, it is necessary to set analog input pins
again.
Figure 2.12.6 A-D control register 0 in one-shot mode
A-D control register 1 (Note)
b7 b6 b5 b4 b3 b2 b1 b0
001 0 0
Symbol
ADCON1
Address
03D716
When reset
0016
Bit symbol
Bit name
SCAN0
SCAN1
A-D sweep pin
select bit
MD2
A-D operation mode
select bit 1
Reserved bit
Function
Invalid in one-shot mode
0 : Any mode other than repeat sweep
mode 1
Must always be set to “0”
RW
CKS1
VCUT
Frequency select bit1
Vref connect bit
0 : fAD/2 or fAD/4 is selected
1 : fAD is selected
1 : Vref connected
Reserved bits
Must always be set to “0”
Note: If the A-D control register is rewritten during A-D conversion, the conversion
result is indeterminate.
Figure 2.12.7 A-D control register 1 in one-shot mode
Rev. 1.0
154