M37736M4L Datasheet, PDF (21/32 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37736M4LXXXHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
[External bus mode B]
Bus timing data formulas (VCC = 2.7 – 5.5V, VSS = 0 V, Ta = –40 to +85 °C, f(XIN) = 12 MHz (Max.), unless otherwise noted (Note1))
Symbol
Parameter
td(CS–WE)
td(CS–RDE)
th(WE–CS)
th(RDE–CS)
td(An–WE)
td(An–RDE)
Chip-select output delay time
Chip-select hold time
Address output delay time
td(A–WE)
td(A–RDE)
th(WE–An)
th(RDE–An)
Address output delay time
Address hold time
tw(ALE)
ALE pulse width
tsu(A–ALE)
Address output setup time
Wait mode
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
Limits
Min.
1 ! 10⁹
2 · f(f2) ^{– 63}
3 ! 10⁹
2 · f(f2) ^{– 68}
4
1 ! 10⁹
2 · f(f2)
3 ! 10⁹
2 · f(f2)
1 ! 10⁹
2 · f(f2)
3 ! 10⁹
2 · f(f2)
1 ! 10⁹
2 · f(f2)
1 ! 10⁹
2 · f(f2)
2 ! 10⁹
2 · f(f2)
1 ! 10⁹
2 · f(f2)
2 ! 10⁹
2 · f(f2)
– 63
– 68
– 63
– 88
– 43
– 43
– 43
– 73
– 73
th(ALE–A)
Address hold time
No wait
Wait 1
Wait 0
9
1 ! 10⁹ _{– 43}
2 · f(f2)
td(ALE–WE)
td(ALE–RDE)
ALE output delay time
No wait
Wait 1
Wait 0
4
1 ! 10⁹ _{– 43}
2 · f(f2)
td(WE–DQ)
th(WE–DQ)
Data output delay time
Data hold time
tw(WE)
___ ___
WEL/WEH pulse width
tpxz(RDE–DZ)
tpzx(RDE–DZ)
Floating start delay time
Floating release delay time
tw(RDE)
___
RDE pulse width
td(RSMP–WE)
td(RSMP–RDE)
th(φ1–RSMP)
td(WE–φ1)
td(RDE–φ1)
____
RSMP output delay time
____
RSMP hold time
φ1 output delay time
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
1 ! 10⁹
2 · f(f2)
2 ! 10⁹
2 · f(f2)
4 ! 10⁹
2 · f(f2)
– 43
– 35
– 35
1 ! 10⁹
2 · f(f2)
2 ! 10⁹
2 · f(f2)
4 ! 10⁹
2 · f(f2)
1 ! 10⁹
2 · f(f2)
0
– 30
– 38
– 38
– 58
0
Notes 1. This applies when the main clock division selection bit = “0”.
2. f(f2) represents the clock f2 frequency.
For the relation to the main clock and sub clock, refer to Table 10 in data sheet “M37736MHBXXXGP”.
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
90
ns
ns
ns
ns
10
ns
ns
ns
ns
ns
ns
30
ns
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