參數(shù)資料
型號: ISP1181B
廠商: NXP Semiconductors N.V.
英文描述: Full-speed Universal Serial Bus peripheral controller
中文描述: 全速通用串行總線外設(shè)控制器
文件頁數(shù): 56/70頁
文件大?。?/td> 341K
代理商: ISP1181B
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) t
ASRP
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)
相關(guān)PDF資料
PDF描述
ISP1181BBS Full-speed Universal Serial Bus peripheral controller
ISP1181BDGG Full-speed Universal Serial Bus peripheral controller
ISP1181 Full-speed Universal Serial Bus Interface Device(全速通用串行總線接口器件)
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ISP1183 Low-power Universal Serial Bus interface device with DMA
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