M37754 Mitsubishi, M37754 Datasheet - Page 92

• Manufacturer Part Number: M37754
• Description: SINGLE-CHIP 16BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

Bus timing data formulas
Memory expansion and Microprocessor mode : Low-speed running (V
the clock source select bit = “0” , unless otherwise noted)
Note: When the clock source select bit is “1”, regard f(X
92
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
: f(X
h(WR–A)
h(RD–A)
d(WR–BHE)
d(RD–BHE)
d(WR–CS)
h(WR–DLQ/DHQ)
pxz(WR–DLZ/DHZ)
su(A–DL/DH)
su(CS–DL/DH)
w( H)
w(WR)
d(A–WR)
d(A–RD)
d(A–ALE)
d(BHE–WR)
d(BHE–RD)
d(BHE–ALE)
d(CS–WR)
d(CS–RD)
d(CS–ALE)
w(ALE)
d(RD–CS)
su(LA–DL)
d(LA–WR)
d(LA–RD)
d(LA–ALE)
h(ALE–LA)
pzx(RD–DLZ)
__
Symbol
IN
, t
, t
)
w( L)
w(RD)
12.5 MHz when the clock source select bit = “1”
__
____
____
____
____
____
Data setup time with address stabilized
Data setup time with chip select stabilized
___ ___
WR, RD low-level pulse width
Address output delay time
Address output delay time
Address output delay time
BHE output delay time
BHE outupt delay time
BHE output delay time
Chip select output delay time
Chip select output delay time
Chip select output delay time
ALE pulse width
Address hold time
Address hold time
BHE hold time
BHE hold time
Chip select hold time
Chip select holt time
Data hold time
Floating start delay time
Data setup time with address stabilized
Address output delay time
Address output delay time
Address output delay time
Address hold time
Floating release delay time
high-level pulse width, f low-level pulse width
Parameter
M37754M8C-XXXGP, M37754M8C-XXXHP
IN
) in tables as 2·f(X
CC
IN
M37754S4CGP, M37754S4CHP
= 5 V±10 %, V
).
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
3
3
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
2- access
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
SS
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
= 0 V, T
– 60
– 60
– 20
– 20
– 25
– 25
– 32
– 25
– 25
– 32
– 25
– 25
– 32
– 18
– 30
– 30
– 30
– 30
– 30
– 30
– 25
– 10
– 65
– 28
– 28
– 35
– 22
MITSUBISHI MICROCOMPUTERS
a
5
5
4
5
= –20 to 85 °C, f(X
3- access
f(X
f(X
f(X
f(X
10
IN
10
IN
10
IN
10
IN
)
)
)
)
9
9
9
9
– 60
– 60
– 20
– 65
7
3
3
2
1
7
7
3
3
3
3
3
3
3
3
3
2
4- access
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
IN
IN
IN
IN
IN
IN
10
10
10
10
10
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
25 MHz when
– 65
– 28
– 28
– 28
– 15
– 60
– 60
– 25
– 25
– 65
– 25
– 25
– 65
– 25
– 25
– 65
– 18
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns