M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 104

• Manufacturer Part Number: M38867E8AHP
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER??
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Fig. 88 Timing diagram (4) (system bus interface)
104
S y s t e m b u s i n t e r f a c e t i m i n g d i a g r a m
R e a d o p e r a t i o n
W r i t e o p e r a t i o n
O B F
0 0 ,
D Q
D Q
O B F
O u t s i d e o f p a r e n t h e s i s : T T L I / O
I n s i d e o f p a r e n t h e s i s : C M O S I / O
0
0
S
S
– D Q
– D Q
A 0
A 0
0 ,
0 ,
0 1 ,
R
W
S
S
O B F
1
1
7
7
1 0
2 . 4 ( 0 . 8 V
2 . 4 ( 0 . 8 V
2 . 4 ( 0 . 8 V
0 . 4 5 ( 0 . 2 V
2 . 4 ( 0 . 8 V
0 . 4 5 ( 0 . 2 V
t
t
s u
s u
( A - R )
( A - W )
t
a
( R - D )
C C
C C
0 . 4 5 ( 0 . 2 V
0 . 4 5 ( 0 . 2 V
)
)
C C
C C
C C
C C
)
)
)
)
t
t
s u
s u
( S - R )
0 . 4 5 ( 0 . 2 V
0 . 4 5 ( 0 . 2 V
( S - W )
C C
C C
)
)
t
t
C C
C C
w
w
( R )
( W )
2 . 4 ( 0 . 8 V
0 . 4 5 ( 0 . 2 V
)
2 . 0 ( 0 . 8 V
0 . 8 ( 0 . 2 V
)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
t
s u
( D - W )
t
h
t
( R - S )
h
( W - S )
C C
C C
2 . 4 ( 0 . 8 V
0 . 4 5 ( 0 . 2 V
2 . 4 ( 0 . 8 V
0 . 4 5 ( 0 . 2 V
C C
C C
)
)
)
)
MITSUBISHI MICROCOMPUTERS
0 . 4 5 ( 0 . 2 V
t
t
0 . 4 5 ( 0 . 2 V
2 . 4 ( 0 . 8 V
2 . 4 ( 0 . 8 V
h
h
( R - A )
( W - A )
C C
C C
C C
C C
)
)
)
)
0 . 4 5 ( 0 . 2 V
2 . 0 ( 0 . 8 V
0 . 8 ( 0 . 2 V
t
0 . 4 5 ( 0 . 2 V
t
2 . 4 ( 0 . 8 V
0 . 4 5 ( 0 . 2 V
v
h
( R - D )
( W - D )
C C
C C
C C
C C
)
)
)
)
C C
C C
3886 Group
C C
C C
C C
C C
)
)
t
P L H
)
)
)
)
0 . 8 ( 0 . 2 V
( R - O B F )
C C
)