isp1760 NXP Semiconductors, isp1760 Datasheet - Page 92

• Manufacturer Part Number: isp1760
• Description: Hi-speed Universal Serial Bus Host Controller For Embedded Applications
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 13257
Product data sheet
14.2.2 Single cycle: DMA write
Table 97:
V
Table 98:
V
Symbol Parameter
t
t
t
t
t
t
t
t
Symbol Parameter
t
t
t
t
t
t
t
t
a15
a25
h15
h25
su15
a35
cy15
w15
a15
a25
h15
h25
su15
a35
cy15
w15
Fig 16. DMA write (single cycle).
CC(I/O)
CC(I/O)
= 1.65 V to 1.95 V; T
= 3.3 V to 3.6 V; T
DREQ and DACK are active HIGH.
DREQ
WR_N
DACK
DACK assertion time after DREQ assertion
WR_N assertion time after DACK assertion
data hold time after WR_N deassertion
DACK hold time after WR_N deassertion
data set-up time before WR_N deassertion
DREQ deassertion time after WR_N assertion
last DACK strobe deassertion to next DREQ
assertion time
WR_N pulse width
DACK assertion time after DREQ assertion
WR_N assertion time after DACK assertion
data hold time after WR_N deassertion
DACK hold time after WR_N deassertion
data set-up time before WR_N deassertion
DREQ deassertion time after WR_N assertion
last DACK strobe deassertion to next DREQ
assertion time
WR_N pulse width
DATA
DMA write (single cycle)
DMA write (single cycle)
t
Rev. 01 — 8 November 2004
a25
amb
t
a15
amb
= 40 C to +85 C; unless otherwise specified.
= 40 C to +85 C; unless otherwise specified.
t
a35
t
w15
t
su15
data
t
h25
t
Embedded Hi-Speed USB host controller
cy15
t
h15
Min
0
1
2
0
5.5
82
22
8.9
Min
0
1
3
0
5.5
22
82
22
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
data 1
Max
-
-
-
-
-
-
-
-
Max
-
-
-
-
-
-
-
-
ISP1760
004aaa525
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
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