M30622ECTFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622ECTFP Datasheet - Page 152

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M30622ECTFP

Manufacturer Part Number
M30622ECTFP
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
A-D Converter
Table 1.20.4. Single sweep mode specifications
Note 1: AN
Figure 1.20.6. A-D conversion register in single sweep mode
(3) Single sweep mode
Function
Start condition
Stop condition
Interrupt request generation timing
Input pin
Reading of result of A-D converter
In single sweep mode, the pins selected using the A-D sweep pin select bit are used for one-by-one A-D
conversion. Table 1.20.4 shows the specifications of single sweep mode. Figure 1.20.6 shows the A-D
control register in single sweep mode.
Tentative Specifications REV.A
S
Item
00
pecifications in this manual are tentative and subject to change.
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
to AN
b 6
b 6
b 5
b 5
1
b 4
b 4
1 0
07
b 3
b 3
, and AN
b 2
b 2
0
b 1
b 1
b 0
b 0
The pins selected by the A-D sweep pin select bit are used for one-by-one A-D conversion
Writing “1” to A-D converter start flag
• End of A-D conversion (A-D conversion start flag changes to “0”, except
• Writing “0” to A-D conversion start flag
End of A-D conversion
AN
Read A-D register corresponding to selected pin
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
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 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
when external trigger is selected)
20
B i t s y m b o l
B i t s y m b o l
0
S C A N 0
S C A N 1
O P A 0
O P A 1
and AN
C K S 1
V C U T
B I T S
A D S T
C K S 0
M D 2
M D 0
M D 1
T R G
C H 0
C H 1
C H 2
to AN
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 s i n d e t e r m i n a t e .
i s i n d e t e r m i n a t e .
t 1 0 M H
1
27
(2 pins), AN
A - D o p e r a t i o n m o d e
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
T r i g g e r s e l e c t b i t
A - D c o n v e r s i o n s t a r t f l a g
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
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 ( N o t e 4 )
s e l e c t b i t 0
can be used the same as AN
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 7
0
0 3 D 6
to AN
( N o t e 2 )
152
1 6
1 6
I N
3
) e x c e e d s 1 0 M H z , a n d m a k e
(4 pins), AN
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
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
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 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
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
b 4 b 3
I n v a l i d i n s i n g l e s w e e p m o d e
1 0 : S i n g l e s w e e p m o d e
0 : S o f t w a r e t r i g g e r
1 : A D
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 : f
1 : f
Specification
b 1 b 0
0 0 : A N
0 1 : A N
1 0 : A N
1 1 : A N
0 0
A D
A D
A D
A D
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
, A N
0
t r i g g e r
t o A N
t o A N
t o A N
2
A D
to AN
/ 4 i s s e l e c t e d
1
( 2 p i n s )
3
5
7
( 4 p i n s )
( 6 p i n s )
( 8 p i n s )
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
5
F u n c t i o n
F u n c t i o n
0
(6 pins), or AN
to AN
A D
7
.
f r e q u e n c y e q u a l
0
Mitsubishi microcomputers
( N o t e 3 )
to AN
M16C / 62T Group
7
(8 pins) (Note 1)
R
R
W
W

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