參數(shù)資料
型號(hào): ISP1181BDGG,112
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PDSO48
封裝: 6.10 MM, PLASTIC, MO-153, SOT-362-1, TSSOP-48
文件頁(yè)數(shù): 52/70頁(yè)
文件大?。?/td> 341K
代理商: ISP1181BDGG,112
Philips Semiconductors
ISP1181B
Full-speed USB peripheral controller
Product data
Rev. 02 — 07 December 2004
56 of 70
9397 750 13958
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Fig 26. DMA read timing in DACK-only mode.
MGS793
DACK
DREQ
tASRP
tAPRS
tASDV
tAPDZ
DATA
Fig 27. DMA write timing in DACK-only mode.
MGS794
DACK
DREQ
tASRP
tAPRS
tDVAP
tAPDZ
DATA
tASAP
(1) tASRP starts from DACK or RD/WR going LOW, whichever occurs later.
(2) The RD/WR signals are not used in DACK-only DMA mode.
(3) The EOT condition is considered valid if DACK, RD/WR and EOT are all active (= LOW).
Fig 28. EOT timing in single-cycle DMA mode.
MGS795
DREQ
tRSIH
tIHAP
tASRP
(1)
tEOT
(3)
tRLIS
tWLIS
EOT
DACK
RD/WR
(2)
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