isp1161bm NXP Semiconductors, isp1161bm Datasheet - Page 121

• Manufacturer Part Number: isp1161bm
• Description: Isp1161 Full-speed Universal Serial Bus Single-chip Host And Device Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 121: Dynamic characteristics: HC burst mode DMA timing
[1]
9397 750 09567
Product data
Symbol Parameter
Read/write timing (for 4-cycle and 8-cycle burst mode); see
t
t
T
t
t
t
T
t
t
t
t
t
RLRH
RHRL
SLRL
SHAH
RHAL
DS(read)
DS(read)
DS(write)
DS(write)
RLIS
Fig 55. HC burst mode DMA timing.
RC
DC
T
DC
= t
WR/RD LOW pulse width
WR/RD HIGH to next WR/RD LOW
WR/RD cycle
RD/WR LOW to DREQ1 LOW
RD/WR HIGH to DACK1 HIGH
DREQ1 HIGH to DACK1 LOW
DREQ1 cycle
DREQ1 pulse spacing (read)
DREQ1 pulse spacing (read)
DREQ1 pulse spacing (write)
DREQ1 pulse spacing (write)
RD/WR LOW to EOT LOW
SLAL
DREQ1
DACK1
RD or WR
+ (4 or 8)t
19.2.2 HC burst mode DMA timing
RC
+ t
t SLAL
DS
.
t RHSH
t RLRH
T RC
t RHRL
Conditions
4-cycle burst mode
8-cycle burst mode
4-cycle burst mode
8-cycle burst mode
Rev. 02 — 13 December 2002
Full-speed USB single-chip host and device controller
Figure 55
t SLRL
[1]
Min
42
60
102
22
0
0
105
150
72
167
0
t SHAH
t DS
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
Typ
-
-
-
-
-
-
-
-
-
-
-
-
Max
-
-
-
64
-
-
-
-
-
-
-
-
ISP1161
MGT971
121 of 137
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns