M37212 Mitsubishi, M37212 Datasheet - Page 106

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

106
I
2
I
2
C C o n t r o l R e g i s t e r
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
C S t a t u s R e g i s t e r
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
6 , 7 C o n n e c t i o n c o n t r o l b i t s
t o
0
2
3
4
5
I
B
N o t e : T h e s e b i t s a n d f l a g s c a n b e r e a d o u t , b u t c a n n n o t b e w r i t t e n .
6 , 7
2
C c o n t r o l r e g i s t e r ( S 1 D ) [ A d d r e s s 0 0 D A
B
0
1
2
3
4
5
I
2
B i t c o u n t e r
( N u m b e r o f t r a n s m i t / r e c i e v e
b i t s )
( B C 0 t o B C 2 )
D a t a f o r m a t s e l e c t i o n
b i t ( A L S )
A d d r e s s i n g f o r m a t s e l e c t i o n
b i t ( 1 0 B I T S A D )
b e t w e e n I C - B U S i n t e r f a c e
a n d p o r t s
( B S E L 0 , B S E L 1 )
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
I
e n a b l e b i t ( E S O )
C s t a t u s r e g i s t e r ( S 1 ) [ A d d r e s s 0 0 D 9
2
L a s t r e c e i v e b i t ( L R B )
( S e e n o t e )
G e n e r a l c a l l d e t e c t i n g f l a g
( A D 0 ) ( S e e n o t e )
S l a v e a d d r e s s c o m p a r i s o n
f l a g ( A A S ) ( S e e n o t e )
A r b i t r a t i o n l o s t d e t e c t i n g f l a g
( A L ) ( S e e n o t e )
I
r e q u e s t b i t ( P I N )
B u s b u s y f l a g ( B B )
C o m m u n i c a t i o n m o d e
s p e c i f i c a t i o n b i t s
C - B U S i n t e r f a c e u s e
2
( T R X , M S T )
C - B U S i n t e r f a c e i n t e r r u p t
N a m e
2
N a m e
b 2 b 1 b 0
0 : D i s a b l e d
1 : E n a b l e d
0 : A d d r e s s i n g f o r m a t
1 : F r e e d a t a f o r m a t
0 : 7 - b i t a d d r e s s i n g f o r m a t
1 : 1 0 - b i t a d d r e s s i n g f o r m a t
b 7 b 6 C o n n e c t i o n p o r t ( S e e n o t e )
0
0
1
1
0
0
0
0
1
1
1
1
0 : L a s t b i t = “ 0 ”
1 : L a s t b i t = “ 1 ”
0 : N o g e n e r a l c a l l d e t e c t e d
1 : G e n e r a l c a l l d e t e c t e d
0 : A d d r e s s m i s m a t c h
1 : A d d r e s s m a t c h
0 : N o t d e t e c t e d
1 : D e t e c t e d
0 : I n t e r r u p t r e q u e s t i s s u e d
1 : N o i n t e r r u p t r e q u e s t i s s u e d
0 : B u s f r e e
1 : B u s b u s y
b 7 b 6
0
0
1
1
0 : N o n e
1 : S C L 1 , S D A 1
0 : S C L 2 , S D A 2
1 : S C L 1 , S D A 1 , S C L 2 , S D A 2
0
0
1
1
0
0
1
1
1 6
0 : S l a v e r e c i e v e m o d e
1 : S l a v e t r a n s m i t m o d e
0 : M a s t e r r e c i e v e m o d e
1 : M a s t e r t r a n s m i t m o d e
]
0 : 8
1 : 7
0 : 6
1 : 5
0 : 4
1 : 3
0 : 2
1 : 1
F u n c t i o n s
F u n c t i o n s
with ON-SCREEN DISPLAY CONTROLLER
1 6
]
MITSUBISHI MICROCOMPUTERS
( S e e n o t e )
( S e e n o t e )
( S e e n o t e )
( S e e n o t e )
M37212EFSP/FP
A f t e r r e s e t R W
A f t e r r e s e t R W
I n d e t e r m i n a t e
0
0
0
0
0
Address 00DA
Address 00D9
0
0
0
1
0
0
R W
R W
R W
R W
R W
R —
R —
R —
R —
R W
R W
R W
Rev. 1.0
16
16