s1r72803 Epson Electronics America, Inc., s1r72803 Datasheet - Page 104

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

S1R72803F00A
9.4.3.5 Ultra-DMA Read
100
XHCS<1:0>(O)
XHDAMCK(O)
HDD<15:0>(I)
HDA<2:0>(O)
Symbol
(HDMARDY)
(DSTROBE)
HDMARQ(I)
T
T
T
T
T
T
T
T
HIORDY(I)
XHIOW(O)
XHIOR(O)
361
362
363
364
365
366
367
369
(STOP)
XHCS0,1
Address setup time
HDMARQ
XHDMACK response time
HDMACK
Envelope time
HDD HIORDY
Data setup time
HIORDY
Data hold time
HIORDY
HIORDY cycle time
HIORDY
HIORDY cycle time x 2
XHIOR
Last strobe time
Direction of DATA Transfer
Initiating
T362
HIORDY
HDD
HIORDY
HIORDY
Specification
XHDMACK
HIOR,XHIOW
XHDMACK
T363
T363
T361
PORT
EPSON
T364
T365
S1R72803
Min.
20
20
25
57
0
6
6
–
HOST
Typ.
–
–
–
–
–
–
–
–
T366
T367
Device Pausing
Max.
55
60
–
–
–
–
–
–
T366
T369
Unit
ns
ns
ns
ns
ns
ns
ns
ns