參數(shù)資料
型號(hào): ISP1160BD-S
廠商: ST-ERICSSON
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁(yè)數(shù): 75/88頁(yè)
文件大?。?/td> 394K
代理商: ISP1160BD-S
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 05 — 24 December 2004
77 of 88
9397 750 13963
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
17.2.2
Burst mode DMA timing
[1]
TDC =tSLAL + (4 or 8)TRC + tDS
Fig 36. Single-cycle DMA timing.
004aaa371
DREQ
DACK_N
D[15:0]
(read)
D[15:0]
(write)
RD_N or
WR_N
tDS
tAHRH
TDC
data
valid
data
valid
tALRL
tRHAL
tWHD
tWSU
tRLDV
tRHDZ
tSHAH
Table 75:
Dynamic characteristics: burst mode DMA timing
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Read/write timing (for 4-cycle and 8-cycle burst mode)
tRLRH
WR_N/RD_N LOW pulse width
42
-
ns
tRHRL
WR_N/RD_N HIGH to next
WR_N/RD_N LOW
60
--ns
TRC
WR_N/RD_N cycle
102
-
ns
tSLRL
RD_N/WR_N LOW to DREQ LOW
22
-
64
ns
tSHAH
RD_N/WR_N HIGH to
DACK_N HIGH
0
--ns
tSLAL
DREQ HIGH to DACK_N LOW
0
-
ns
TDC
DREQ cycle
[1] ---ns
tDS(read)
DREQ pulse spacing (read)
4-cycle burst mode
105
-
ns
tDS(read)
DREQ pulse spacing (read)
8-cycle burst mode
150
-
ns
tDS(write)
DREQ pulse spacing (write)
4-cycle burst mode
72
-
ns
tDS(write)
DREQ pulse spacing (write)
8-cycle burst mode
167
-
ns
tRLIS
RD_N/WR_N LOW to EOT LOW
0
-
ns
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