M306V2 Mitsubishi, M306V2 Datasheet - Page 244

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

244
Figure 2.17.18 Example connection of unused pins
Table 2.17.2 Example connection of unused pins in memory expansion mode and microprocessor
Table 2.17.1 Example connection of unused pins in single-chip mode
N o t e : W i t h e x t e r n a l c l o c k i n p u t t o X
N o t e : W i t h e x t e r n a l c l o c k i n p u t t o X
P o r t s P 0 t o P 1 0
X
A V
B Y T E
C NV
P o r t s P 6 t o P 1 0
P 4
B H E , A L E , H L D A ,
X
H O L D , R D Y
A V
C NV
O U T
O U T
5
C C
C C
/ C S 1 t o P 4
S S
S S
( N o t e ) , B C L K
( N o t e )
P i n n a m e
P i n n a m e
mode
7
/ C S 3
I n s i n g l e - c h i p m o d e
M i c r o c o m p u t e r
P o r t P 0 t o P 1 0
( O u t p u t m o d e )
( I n p u t m o d e )
( I n p u t m o d e )
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
A f t e r s e t t i n g f o r i n p u t m o d e , c o n n e c t e v e r y p i n t o V
r e s i s t o r ; o r a f t e r s e t t i n g f o r o u t p u t m o d e , l e a v e t h e s e p i n s o p e n .
O p e n
C o n n e c t t o V
C o n n e c t t o V
C o n n e c t v i a r e s i s t o r t o V
A f t e r s e t t i n g f o r i n p u t m o d e , c o n n e c t e v e r y p i n t o V
r e s i s t o r ; o r a f t e r s e t t i n g f o r o u t p u t m o d e , l e a v e t h e s e p i n s o p e n .
S e t s p o r t s t o i n p u t m o d e , s e t s b i t s C S 1 t h r o u g h C S 3 t o “ 0 , ” a n d
c o n n e c t s t o V c c v i a r e s i s t o r s ( p u l l - u p ) .
O p e n
C o n n e c t v i a r e s i s t o r t o V
C o n n e c t t o V
C o n n e c t v i a r e s i s t o r t o V
C o n n e c t v i a r e s i s t o r t o V
I N
I N
C NV
·
·
·
B Y T E
A V
X
p i n .
p i n .
O U T
C C
S S
C C
S S
C C
O p e n
O p e n
·
·
·
V
C C
0 . 4 7 F
S S
C C
S S
C C
V
S S
( p u l l - d o w n )
( p u l l - u p )
( p u l l - d o w n ) i n t h e m e m o r y e x p a n s i o n m o d e .
( p u l l - u p ) i n t h e m i c r o p r o c e s s o r m o d e .
C o n n e c t i o n
C o n n e c t i o n
I n m e m o r y e x p a n s i o n m o d e o r
i n m i c r o p r o c e s s o r m o d e
P o r t P 4
t o P 4
C N V
C N V
S S
M i c r o c o m p u t e r
7
/ C S 3
( m e m o r y e x p a n s i o n m o d e )
S S
5
and ON-SCREEN DISPLAY CONTROLLER
/ C S 1
( m i c r o p r o c e s s o r m o d e )
MITSUBISHI MICROCOMPUTERS
S S
S S
P o r t P 6 t o P 1 0
( O u t p u t m o d e )
( I n p u t m o d e )
( I n p u t m o d e )
o r V
o r V
M306V2ME-XXXFP
·
·
·
H O L D
H L D A
B C L K
A V
X
B H E
R D Y
C C
C C
A L E
O U T
C C
v i a a
v i a a
M306V2EEFP
O p e n
O p e n
·
·
·
V
C C
0 . 4 7 F
V
S S
Rev. 1.0