M30622M4 MITSUBISHI [Mitsubishi Electric Semiconductor], M30622M4 Datasheet - Page 154

• Manufacturer Part Number: M30622M4
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

A-D Converter
154
Figure 1.20.2. A-D converter-related registers (1)
A-D control register 1 (Note)
A-D control register 0 (Note 1)
b7
b7
b6
b6
b5
b5
b4
b4
b3
b3
b2
b2
b1
b1
b0
b0
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result is
Note 2: When changing A-D operation mode, set analog input pin again.
Note: If the A-D control register is rewritten during A-D conversion, the conversion result is
Bit symbol
Bit symbol
SCAN0
SCAN1
ADST
VCUT
OPA0
OPA1
CKS0
CKS1
BITS
MD0
MD1
TRG
MD2
CH0
CH1
CH2
Symbol
ADCON0
Symbol
ADCON1
indeterminate.
indeterminate.
Analog input pin select bit
Trigger select bit
A-D operation mode
select bit 1
8/10-bit mode select bit
Vref connect bit
External op-amp
connection mode bit
A-D operation mode
select bit 0
Frequency select bit 0
A-D sweep pin select bit
Frequency select bit 1
A-D conversion start flag
Bit name
Bit name
Address
Address
03D6
03D7
16
16
00000XXX
When reset
When reset
When repeat sweep mode 1 is selected
b7 b6
0 0 : ANEX0 and ANEX1 are not used
0 1 : ANEX0 input is A-D converted
1 0 : ANEX1 input is A-D converted
1 1 : External op-amp connection mode
b2 b1 b0
0 0 : One-shot mode
0 1 : Repeat mode
1 0 : Single sweep mode
1 1 : Repeat sweep mode 0
When single sweep and repeat sweep
mode 0 are selected
0 : Any mode other than repeat sweep
1 : Repeat sweep mode 1
0 : 8-bit mode
1 : 10-bit mode
0 : f
1 : f
0 : Vref not connected
1 : Vref connected
0 0 0 : AN
0 0 1 : AN
0 1 0 : AN
0 1 1 : AN
1 0 0 : AN
1 0 1 : AN
1 1 0 : AN
1 1 1 : AN
b4 b3
0 : Software trigger
1 : AD
0 : A-D conversion disabled
1 : A-D conversion started
0 : f
1 : f
b1 b0
0 0 : AN
0 1 : AN
1 0 : AN
1 1 : AN
0 0 : AN
0 1 : AN
1 0 : AN
1 1 : AN
b1 b0
00
mode 1
AD
AD
AD
AD
Repeat sweep mode 1
16
/2 or f
/4 is selected
/2 is selected
TRG
is selected
0
0
0
0
0
0
0
0
0
1
2
3
4
5
6
7
2
, AN
, AN
trigger
to AN
to AN
to AN
(1 pin)
to AN
to AN
is selected
is selected
is selected
is selected
is selected
is selected
is selected
is selected
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
AD
/4 is selected
1
1
Function
Function
(2 pins)
(2 pins)
2
3
3
5
7
(4 pins)
(6 pins)
(8 pins)
(3 pins)
(4 pins)
(Note 2)
(Note 2)
Mitsubishi microcomputers
M16C / 62 Group
R
R
W
W