M30622 Mitsubishi, M30622 Datasheet - Page 147
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M30622
Manufacturer Part Number
M30622
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
Mitsubishi
Datasheet
1.M30622.pdf
(184 pages)
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A-D Converter
Figure 1.20.1. Block diagram of A-D converter
Tentative Specifications REV.A
S
Port P0 group
Port P2 group
pecifications in this manual are tentative and subject to change.
P0
P0
P0
P0
P0
P0
P0
P0
P2
P2
P2
P2
P2
P2
P2
P2
ANEX
ANEX
PM00
PM01
AV
V
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
REF
f
AD
SS
0
1
00
01
02
03
04
05
06
07
20
21
22
23
24
25
26
27
(03CD
(03CB
(03CF
(03C1
(03C3
(03C5
(03C7
(03C9
VCUT = 0
VCUT = 1
Addresses
PM01,PM00,CH2,CH1,CH0
PM01,PM00,CH2,CH1,CH0
OPA0 = 1
OPA1 = 1
16
16
16
16
16
16
16
16
, 03CC
, 03CA
, 03CE
, 03C0
, 03C2
, 03C4
, 03C6
, 03C8
= 00000
= 00001
= 00010
= 00011
= 00100
= 00101
= 00110
= 00111
= 00000
= 00001
= 00010
= 00011
= 00100
= 00101
= 00110
= 00111
Successive conversion register
16
16
16
16
16
16
16
16
)
)
)
)
)
)
)
)
Data bus high-order
1/2
Data bus low-order
A-D register 0 (16)
A-D register 1 (16)
A-D register 2 (16)
A-D register 3 (16)
A-D register 4 (16)
A-D register 5 (16)
A-D register 6 (16)
A-D register 7 (16)
Resistor ladder
ADGSEL1,ADGSEL0 = 11
Port P10 group
OPA1,OPA0 = 11
PM01,PM00 = 00
P10
P10
P10
P10
P10
P10
P10
P10
ADGSEL1,ADGSEL0 = 10
0
1
2
3
4
5
6
7
/AN
/AN
/AN
/AN
/AN
/AN
/AN
/AN
0
1
2
3
4
5
6
7
147
OPA1,OPA0 = 11
1/2
PM01,PM00 = 00
A-D control register 1
A-D control register 0
A-D control register 2
ADGSEL1,ADGSEL0 = 00
(address 03D7
(address 03D6
(address 03D4
CH2,CH1,CH0
= 000
= 001
= 010
= 011
= 100
= 101
= 110
= 111
OPA1,OPA0 = 11
CKS0 = 1
CKS0 = 0
for A-D register
A-D conversion rate selection
16
16
16
Decoder
)
)
)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
for channel selection
ADGSEL1,ADGSEL0 = 00
ADGSEL1,ADGSEL0 = 10
ADGSEL1,ADGSEL0 = 11
OPA1,OPA0
OPA1 = 1
CKS1 = 1
CKS1 = 0
Decoder
= 01
OPA1,OPA0 = 00
OPA1,OPA0 = 00
OPA1,OPA0 = 00
PM01,PM00 = 00
PM01,PM00 = 00
Mitsubishi microcomputers
M16C / 62T Group
V
V
ref
IN
Comparator
AD