isp1760 NXP Semiconductors, isp1760 Datasheet - Page 93

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isp1760

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

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Philips Semiconductors
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Product data sheet
14.2.3 Multicycle: DMA read
Table 99:
V
Table 100: DMA read (multicycle burst)
V
Symbol Parameter
t
t
t
t
T
t
t
Symbol Parameter
t
t
t
t
T
t
t
a16
a26
d16
w16
a36
a46
a16
a26
d16
w16
a36
a46
Fig 17. DMA read (multicycle burst).
CC(I/O)
CC(I/O)
cy16
cy16
= 1.65 V to 1.95 V; T
= 3.3 V to 3.6 V; T
DREQ and DACK are active HIGH.
DACK assertion after DREQ assertion time
RD_N assertion after DACK assertion time
data valid time after RD_N assertion
RD_N pulse width
read-to-read cycle time
DREQ deassertion time after last burst RD_N
deassertion
DACK deassertion to next DREQ assertion time -
DACK assertion after DREQ assertion time
RD_N assertion after DACK assertion time
data valid time after RD_N assertion
RD_N pulse width
read-to-read cycle time
DREQ deassertion time after last burst RD_N
deassertion
DACK deassertion to next DREQ assertion time -
DMA read (multicycle burst)
DREQ
DACK
RD_N
DATA
Rev. 01 — 8 November 2004
amb
amb
t
a16
= 40 C to +85 C; unless otherwise specified.
= 40 C to +85 C; unless otherwise specified.
t
a26
t
w16
data 0
T
t
d16
cy16
Embedded Hi-Speed USB host controller
data 1
Min
0
0
-
t
40
20
Min
0
0
-
t
36
11
d16
d16
data n-1
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
t
a36
data n
Max
-
-
31
-
-
-
82
Max
-
-
16
-
-
-
82
t
a46
004aaa531
ISP1760
Unit
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
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