M37736M4BXXXGP Datasheet, PDF (17/32 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37736M4BXXXGP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
[External bus mode A]
Memory expansion mode and microprocessor mode
(VCC = 5 V ± 10%, VSS = 0 V, Ta = 25 °C, f(XIN) = 25 MHz (Note 1), unless otherwise noted)
Symbol
Parameter
td(An–E)
Address output delay time
td(A–E)
Address output delay time
(Note 2) ^Test
Wait mode conditions
Limits
Min.
Max.
Unit
No wait
Wait 1
12
ns
Wait 0
87
ns
No wait
Wait 1
Wait 0
12
ns
75
ns
th(E–An)
Address hold time
18
ns
tw(ALE)
ALE pulse width
tsu(A–ALE)
Address output setup time
th(ALE–A)
Address hold time
td(ALE–E)
td(E–DQ)
th(E–DQ)
tw(EL)
tpxz(E–DZ)
tpzx(E–DZ)
td(BHE–E)
ALE output delay time
Data output delay time
Data hold delay time
_
E pulse width
Floating start delay time
Floating release delay time
___
BHE output delay time
td(R/W–E)
th(E–BHE)
th(E–R/W)
td(E–φ1)
td(φ1–HLDA)
_
R/ W output delay time
___
BHE hold time
_
R/ W hold time
φ1 output delay time
____
HLDA output delay time
No wait
Wait 1
22
Wait 0
57
No wait
Wait 1
5
Wait 0
45
No wait
Wait 1
9
Wait 0
15
No wait
Wait 1
Fig. 6
4
Wait 0
10
18
No wait
50
Wait 1
130
Wait 0
20
No wait
12
Wait 1
Wait 0
87
No wait
12
Wait 1
Wait 0
87
18
18
0
Notes 1. This applies when the main clock division selection bit = “0” and f(f2) = 12.5 MHz.
2. No wait : Wait bit = “1”.
Wait 1 : The external memory area is accessed with wait bit = “0” and wait selection bit = “1”.
Wait 0 : The external memory area is accessed with wait bit = “0” and wait selection bit = “0”.
ns
ns
ns
ns
ns
ns
ns
ns
45
ns
ns
ns
ns
5
ns
ns
ns
ns
ns
ns
ns
ns
18
ns
50
ns
17