M37212 Mitsubishi, M37212 Datasheet - Page 21

• Manufacturer Part Number: M37212
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
• Manufacturer: Mitsubishi

Fig. 8.3.2 Interrupt Request Register 1
Fig. 8.3.3 Interrupt Request Register 2
Rev. 1.0
I n t e r r u p t R e q u e s t R e g i s t e r 1
I n t e r r u p t R e q u e s t R e g i s t e r 2
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
0
0
B
1
2
3
4
5
6 M u l t i - m a s t e r I
7
5 , 6
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
I n t e r r u p t r e q u e s t r e g i s t e r 1 ( I R E Q 1 ) [ A d d r e s s 0 0 F C
: “ 0 ” c a n b e s e t b y s o f t w a r e , b u t “ 1 ” c a n n o t b e s e t .
B
0
1
2
3
4
7
: “ 0 ” c a n b e s e t b y s o f t w a r e , b u t “ 1 ” c a n n o t b e s e t .
I n t e r r u p t r e q u e s t r e g i s t e r 2 ( I R E Q 2 ) [ A d d r e s s 0 0 F D
T i m e r 1 i n t e r r u p t
r e q u e s t b i t
T i m e r 2 i n t e r r u p t
r e q u e s t b i t
i n t e r r u p t r e q u e s t b i t ( I I C R )
I N T 3 e x t e r n a l i n t e r r u p t
r e q u e s t b i t ( I T 3 R )
T i m e r 3 i n t e r r u p t
r e q u e s t b i t
T i m e r 4 i n t e r r u p t
r e q u e s t b i t
O S D i n t e r r u p t r e q u e s t
b i t
V
r e q u e s t b i t
I N T 1 e x t e r n a l i n t e r r u p t
r e q u e s t b i t ( I T 1 R )
I N T 2 e x t e r n a l i n t e r r u p t
r e q u e s t b i t ( I T 2 R )
S e r i a l I / O i n t e r r u p t
r e q u e s t b i t ( S 1 R )
N o t h i n g i s a s s i g n e d . T h i s b i t i s a w r i t e d i s a b l e b i t .
W h e n t h i s b i t i s r e a d o u t , t h e v a l u e i s “ 0 . ”
f ( X
r e q u e s t b i t ( M S R )
N o t h i n g i s a s s i g n e d . T h e s e b i t s a r e w r i t e d i s a b l e b i t s .
W h e n t h e s e b i t s a r e r e a d o u t , t h e v a l u e s a r e “ 0 . ”
F i x t h i s b i t t o “ 0 . ”
S Y N C
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
I N
( O S D R )
) / 4 0 9 6 i n t e r r u p t
i n t e r r u p t
N a m e
N a m e
2
C - B U S i n t e r f a c e
( T M 1 R )
( T M 2 R )
( T M 3 R )
( T M 4 R )
( V S C R )
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
0 : N o i n t e r r u p t r e q u e s t i s s u e d
1 : I n t e r r u p t r e q u e s t i s s u e d
F u n c t i o n s
F u n c t i o n s
with ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
1 6
1 6
]
A f t e r r e s e t R W
A f t e r r e s e t R W
]
M37212EFSP/FP
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R —
R
R —
R W
21