M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 103

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

Fig. 87 Timing diagram (3) (in memory expansion mode and microprocessor mode)
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 ( 2 )
( A t C P U r e a d i n g )
( A t C P U w r i t i n g )
R D , W R
A D
A D
O N W
R D
D B
W R
D B
1 5
7
0
0
– A D
– D B
– D B
– A D
0
7
7
8
0 . 5 V
0 . 5 V
C C
C C
t
t
t
t
d ( A H - R D )
d ( A H - W R )
d ( A L - R D )
d ( A L - W R )
t
t
s u ( O N W - R D )
s u ( O N W - W R )
t
d ( W R - D B )
0 . 8 V
0 . 2 V
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
C C
C C
0 . 5 V
0 . 5 V
0 . 5 V
C C
C C
C C
0 . 5 V
MITSUBISHI MICROCOMPUTERS
t
t
C C
W L ( R D )
W L ( W R )
0 . 8 V
0 . 2 V
t
S U ( D B - R D )
C C
C C
3886 Group
t
t
h ( R D - O N W )
h ( W R - O N W )
t
t
t
t
v ( R D - A H )
v ( W R - A H )
v ( R D - A L )
v ( W R - A L )
t
t
h ( R D - D B )
v ( W R - D B )
103