M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 102

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

Fig. 86 Timing diagram (2) (in memory expansion mode and microprocessor mode)
102
T i m i n g d i a g r a m i n m i c r o p r o c e s s o r m o d e
T i m i n g d i a g r a m i n m e m o r y e x p a n s i o n m o d e a n d m i c r o p r o c e s s o r m o d e ( 1 )
( A t C P U r e a d i n g )
( A t C P U w r i t i n g )
A D
A D
S Y N C
R D , W R
O N W
R E S E T
R E S E T
D B
D B
1 5
7
0
0
– A D
– D B
– D B
– A D
O U T
0
7
7
8
0 . 2 V
t
d ( R E S E T - R E S E T
t
t
t
0 . 5 V
d ( - A H )
d ( - A L )
d ( - S Y N C )
C C
0 . 5 V
0 . 8 V
C C
C C
t
W H ( )
C C
0 . 5 V
0 . 5 V
0 . 5 V
O U T
C C
C C
C C
)
t
S U ( O N W - )
t
C ( )
0 . 2 V
0 . 8 V
C C
C C
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
t
d ( - D B )
t
d ( - W R )
0 . 5 V
C C
MITSUBISHI MICROCOMPUTERS
0 . 5 V
t
W L ( )
C C
t
v ( - R E S E T
0 . 5 V
0 . 8 V
0 . 2 V
t
S U ( D B - )
C C
C C
C C
O U T
3886 Group
)
t
t
h ( - O N W )
t
t
t
t
t
v ( - D B )
v ( - A H )
v ( - W R )
h ( - D B )
v ( - A L )
v ( - S Y N C )