isp1760 NXP Semiconductors, isp1760 Datasheet - Page 94

• 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
14.2.4 Multicycle: DMA write
Table 101: DMA write (multicycle burst)
V
Table 102: DMA write (multicycle burst)
V
Symbol Parameter
T
t
t
t
t
t
t
t
t
t
Symbol Parameter
T
t
t
t
t
t
t
t
t
t
su17
h17
a17
a27
a37
h27
a47
w17
a57
su17
h17
a17
a27
a37
h27
a47
w17
a57
Fig 18. DMA write (multicycle burst).
CC(I/O)
CC(I/O)
cy17
cy17
= 1.65 V to 1.95 V; T
= 3.3 V to 3.6 V; T
DMA write cycle time
data setup time before WR_N deassertion
data hold time after WR_N deassertion
DACK assertion time after DREQ assertion
WR_N assertion time after DACK assertion
DREQ deassertion time at last strobe (WR_N)
assertion
DACK hold time after WR_N deassertion
strobe deassertion to next strobe assertion time
WR_N pulse width
DACK deassertion to next DREQ assertion time
DMA write cycle time
data setup time before WR_N deassertion
data hold time after WR_N deassertion
DACK assertion time after DREQ assertion
WR_N assertion time after DACK assertion
DREQ deassertion time at last strobe (WR_N)
assertion
DACK hold time after WR_N deassertion
strobe deassertion to next strobe assertion time
WR_N pulse width
DACK deassertion to next DREQ assertion time
DREQ
WR_N
DACK
DATA
Rev. 01 — 8 November 2004
amb
t
a17
t
amb
a27
= 40 C to +85 C; unless otherwise specified.
= 40 C to +85 C; unless otherwise specified.
data 1
t
su17
t
t
a47
h17
T
cy17
t
w17
data 2
Embedded Hi-Speed USB host controller
data n-1
Min
51
5
2
0
2
20
0
34
17
-
Min
51
5
2
0
1
0
0
34
17
-
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
t
a37
data n
Max
-
-
-
-
-
-
-
-
-
82
Max
-
-
-
-
-
-
-
-
-
82
t
a57
t
004aaa526
h27
ISP1760
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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