MB86615 Просмотр технического описания (PDF) - Fujitsu

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MB86615

IEEE 1394 Bus Controller (for DVC)

Fujitsu 

(3) 80-Series DMA Write Operation

Parameter

DREQ “H” to DACK “L”

WR “H” to DREQ “L”

DACK setup time

DACK hold time

WR “L” level pulse width

WR “H” level pulse width

Input data setup time

Input data hold time

Symbol

tDHAL

tDHDL

tDAWS

tDAWH

tDWR

tDWRH

tDDWS

tDDWH

MB86615

Value

Unit

Min.

Max.

0

—

ns

—

30

ns

20

—

ns

0

—

ns

40

—

ns

30

—

ns

30

—

ns

0

—

ns

DREQ

DACK

WR

D15 to D6, D0

AD5 to AD1

tDHAL

tDAWS

tDWR

tDWRH

tDDWS

Data

tDDWH

tDHDL

tDAWH

Data

29

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