s1r72803 Epson Electronics America, Inc., s1r72803 Datasheet - Page 106

• Manufacturer Part Number: s1r72803
• Description: Link/transaction Controller
• Manufacturer: Epson Electronics America, Inc.

S1R72803F00A
9.4.3.6 Ultra-DMA Write
102
HDD<15:0>(O)
Symbol
XHCS<1:0>(O)
XHDAMCK(O)
(XDDMARDY)
HDA<2:0>(O)
T
T
T
T
T
T
T
T
T
T
(HSTROBE)
HDMARQ(I)
381
382
384
385
386
387
388
389
38a
38b
HIORDY(I)
XHIOW(O)
XHIOR(O)
(STOP)
XHCS0,1
Address setup time
HDMARQ
XHDMACK response time
HDMACK
Envelope time
XHIOW
Constrained interlock time
XHIOR
Unconstrained interlock time
HDD
Data setup time
Data hold time
XHIOR
XHIOR cycle time
XHIOR
XHIOR cycle time x 2
HIORDY
Last strobe time
XHIOR
Direction of DATA Transfer PORT
XHIOR
HDD
XHIOR
XHIOR
HIORDY
XHIOR
XHIOR
Specification
XHDMACK
HIORDY,XHIOW
XHDMACK
Initiating
T382
T384
T381
EPSON
T385
T386
T387
S1R72803
Min.
20
20
25
57
0
0
0
6
6
–
T388
Typ.
HOST
–
–
–
–
–
–
–
–
–
–
T389
Device Pausing
T38a
Max.
100
60
40
–
–
–
–
–
–
–
T389
T38b
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns