MB86615 Ver la hoja de datos (PDF) - Fujitsu
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MB86615 Datasheet PDF : 48 Pages
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2.5 DMA Access
(1) 68-Series DMA Write Operation
Parameter
DREQ “H” to DACK “L”
DS “H” to DREQ “L”
DACK setup time
DACK hold time
R/W setup time
R/W hold time
DS “L” level pulse width
DS “H” level pulse width
Input data setup time
Input data hold time
Symbol
tDHAL
tDHDL
tDAWS
tDAWH
tDRWS
tDRWH
tDDS
tDDSH
tDDWS
tDDWH
MB86615
Value
Unit
Min.
Max.
0
—
ns
—
30
ns
20
—
ns
0
—
ns
20
—
ns
10
—
ns
40
—
ns
30
—
ns
30
—
ns
0
—
ns
DREQ
DACK
R/W
DS
D15 to D6, D0
AD5 to AD1
tDHAL
tDAWS
tDRWS
tDDS
tDDSH
tDDWS
Data
tDDWH
tDHDL
tDAWH
tDRWH
Data
27
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