M30622 Mitsubishi, M30622 Datasheet - Page 148

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M30622

Manufacturer Part Number
M30622
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
Mitsubishi
Datasheet

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A-D Converter
Figure 1.20.2. A-D converter-related registers (1)
Tentative Specifications REV.A
S
A - D c o n t r o l r e g i s t e r 0 ( N o t e 1 )
A - D c o n t r o l r e g i s t e r 1 ( N o t e 1 )
b 7
b 7
pecifications in this manual are tentative and subject to change.
b 6
b 6
b 5
b 5
b 4
b 4
b 3
b 3
b 2
b 2
b 1
b 1
b 0
b 0
N o t e 1 : I f t h e A - D c o n t r o l r e g i s t e r i s r e w r i t t e n d u r i n g A - D c o n v e r s i o n , t h e c o n v e r s i o n r e s u l t i s
N o t e 2 : A N
N o t e 3 : W h e n c h a n g i n g A - D o p e r a t i o n m o d e , s e t a n a l o g i n p u t p i n a g a i n .
N o t e 1 : I f t h e A - D c o n t r o l r e g i s t e r i s r e w r i t t e n d u r i n g A - D c o n v e r s i o n , t h e c o n v e r s i o n r e s u l t i s
N o t e 2 : D i v i d e t h e f r e q u e n c y i f f ( X
N o t e 3 : A N
B i t s y m b o l
B i t s y m b o l
S C A N 0
S C A N 1
A D S T
C K S 0
V C U T
O P A 0
O P A 1
C K S 1
M D 0
M D 1
T R G
B I T S
C H 0
C H 1
C H 2
M D 2
S y m b o l
A D C O N 0
S y m b o l
A D C O N 1
i n d e t e r m i n a t e .
i n d e t e r m i n a t e .
M H z .
0 0
0 0
t o A N
t o A N
A n a l o g i n p u t p i n s e l e c t b i t
A - D o p e r a t i o n m o d e s e l e c t
b i t 0
T r i g g e r s e l e c t b i t
F r e q u e n c y s e l e c t b i t 0
A - D s w e e p p i n s e l e c t b i t
A - D o p e r a t i o n m o d e
s e l e c t b i t 1
8 / 1 0 - b i t m o d e s e l e c t b i t
F r e q u e n c y s e l e c t b i t 1
V r e f c o n n e c t b i t
E x t e r n a l o p - a m p
c o n n e c t i o n m o d e b i t
A - D c o n v e r s i o n s t a r t f l a g
0 7
0 7
, a n d A N
, a n d A N
B i t n a m e
B i t n a m e
A d d r e s s
A d d r e s s
0 3 D 6
0 3 D 7
148
2 0
2 0
( N o t e 2 )
t o A N
t o A N
I N
1 6
1 6
) e x c e e d s 1 0 M H z , a n d m a k e
2 7
2 7
c a n b e u s e d t h e s a m e a s A N
c a n b e u s e d t h e s a m e a s A N
0 0 0 0 0 X X X
W h e n r e s e t
W h e n r e s e t
b 7 b 6
b 2 b 1 b 0
0 0 0 : A N
0 0 1 : A N
0 1 0 : A N
0 1 1 : A N
1 0 0 : A N
1 0 1 : A N
1 1 0 : A N
1 1 1 : A N
b 4 b 3
0 0 : O n e - s h o t m o d e
0 1 : R e p e a t m o d e
1 0 : S i n g l e s w e e p m o d e
1 1 : R e p e a t s w e e p m o d e 0
0 : S o f t w a r e t r i g g e r
1 : A D
0 : f
1 : f
W h e n s i n g l e s w e e p a n d r e p e a t s w e e p
m o d e 0 a r e s e l e c t e d
W h e n r e p e a t s w e e p m o d e 1 i s s e l e c t e d
0 : A n y m o d e o t h e r t h a n r e p e a t s w e e p
1 : R e p e a t s w e e p m o d e 1
0 : 8 - b i t m o d e
1 : 1 0 - b i t m o d e
0 : f
1 : f
0 : V r e f n o t c o n n e c t e d
1 : V r e f c o n n e c t e d
0 0 : A N E X 0 a n d A N E X 1 a r e n o t u s e d
0 1 : A N E X 0 i n p u t i s A - D c o n v e r t e d
1 0 : A N E X 1 i n p u t i s A - D c o n v e r t e d
1 1 : E x t e r n a l o p - a m p c o n n e c t i o n m o d e
0 : A - D c o n v e r s i o n d i s a b l e d
1 : A - D c o n v e r s i o n s t a r t e d
0 0 : A N
0 1 : A N
1 0 : A N
1 1 : A N
0 0 : A N
0 1 : A N
1 0 : A N
1 1 : A N
b 1 b 0
b 1 b 0
0 0
m o d e 1
A D
A D
A D
A D
R e p e a t s w e e p m o d e 1
1 6
/ 2 o r f
T R G
/ 4 i s s e l e c t e d
/ 2 i s s e l e c t e d
i s s e l e c t e d
0
0
0
0
0
0
0
0
0
1
2
3
4
5
6
7
, A N
, A N
2
t r i g g e r
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
t o A N
t o A N
t o A N
( 1 p i n )
t o A N
t o A N
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
A D
/ 4 i s s e l e c t e d
1
1
F u n c t i o n
( 2 p i n s )
( 2 p i n s )
F u n c t i o n
3
5
7
2
3
( 4 p i n s )
( 6 p i n s )
( 8 p i n s )
( 3 p i n s )
( 4 p i n s )
A D
f r e q u e n c y e q u a l t o 1 0
0
( N o t e 2 )
( N o t e 3 )
0
t o A N
( N o t e 3 )
t o A N
Mitsubishi microcomputers
( N o t e 3 )
7
7
.
.
M16C / 62T Group
R
R
W
W

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