M37212 Mitsubishi, M37212 Datasheet - Page 115

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

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 2
I n t e r r u p t C o n t r o l R e g i s t e r 1
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
0
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
5 , 6
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
B
0 T i m e r 1 i n t e r r u p t
1 T i m e r 2 i n t e r r u p t
2 T i m e r 3 i n t e r r u p t
3
4 O S D i n t e r r u p t e n a b l e b i t
5 V
6
7
I n t e r r u p t c o n t r o l r e g i s t e r 1 ( I C O N 1 ) [ A d d r e s s 0 0 F E
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
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 . ”
e n a b l e b i t ( T M 1 E )
e n a b l e b i t ( T M 2 E )
e n a b l e b i t ( T M 3 E )
T i m e r 4 i n t e r r u p t
e n a b l e b i t ( T M 4 E )
( O S D E )
b i t ( V S C E )
M u l t i - m a s t e r I
i n t e r r u p t e n a b l e b i t ( I I C E )
I N T 3 e x t e r n a l i n t e r r u p t
e n a b l e b i t ( I T 3 E )
I N
S Y N C
) / 4 0 9 6 i n t e r r u p t
N a m e
i n t e r r u p t e n a b l e
N a m e
2
C - B U S i n t e r f a c e
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 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l e d
0 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l e d
0 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l e d
0 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l e d
0 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l e d
0 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l e d
0 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l e d
0 : I n t e r r u p t d i s a b l e d
1 : I n t e r r u p t e n a b l 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
M37212EFSP/FP
1 6
1 6
A f t e r r e s e t
A f t e r r e s e t R W
]
]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Addresses 00FE
Address 00FD
R W
R W
R W
R W
R W
R W
R W
R W
R
R
R
R
R —
R
R —
R W
W
115
16
16