參數(shù)資料
型號(hào)： ISP1760
廠商： NXP Semiconductors N.V.
英文描述： Hi-Speed Universal Serial Bus host controller for embedded applications
中文描述： 高速嵌入式應(yīng)用的通用串行總線主控制器
文件頁(yè)數(shù)： 12/105頁(yè)
文件大?。?/td> 449K
代理商： ISP1760
9397 750 13257
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 — 8 November 2004
12 of 105
Philips Semiconductors
ISP1760
Embedded Hi-Speed USB host controller
7.
Functional description
7.1 ISP1760 internal architecture: Advanced Philips Slave Host Controller
and hub
The EHCI block and the Hi-Speed USB hub block are the main components of the
Advanced Philips Slave Host Controller.
The EHCI is the latest generation design, with improved data bandwidth. The EHCI in the
ISP1760 is adapted from Enhanced Host Controller Interface Specification for Universal
Serial Bus Rev. 1.0
The internal Hi-Speed USB hub block replaces the companion Host Controller block used
in the original PCI Hi-Speed USB Host Controllers to handle the full-speed and low-speed
modes. The hardware architecture in the ISP1760 is simplified to help reduce cost and
development time, by eliminating the additional work involved in implementing the OHCI
software required to support the full-speed and low-speed modes.
Figure 3
shows the internal architecture of the ISP1760. The ISP1760 implements the
EHCI that has an internal port—the Root Hub port (not available externally)—on which the
internal hub is connected. The three external ports are always routed to the internal hub.
The internal hub is a Hi-Speed USB (USB 2.0) hub including the TT.
Remark:
The root hub must be enabled and the internal hub must be enumerated.
Enumerate the internal hub as if it is externally connected. For details, refer to ISP176x
Linux Programming Guide (AN10042)
At the Host Controller reset and initialization, the internal Root Hub port will be polled until
a new connection is detected, showing the connection of the internal hub.
The internal Hi-Speed USB hub is enumerated using a sequence similar to a standard
Hi-Speed USB hub enumeration sequence, and the polling on the Root Hub is stopped
because the internal Hi-Speed USB hub will never be disconnected. When enumerated,
the internal hub will report the three externally available ports.
相關(guān)PDF資料
PDF描述
ISP1761 Hi-Speed Universal Serial Bus On-The-Go controller
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1760BE 制造商:NXP Semiconductors 功能描述:CONTROLLER USB HOST SMD LQFP128 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP
ISP1760BE,518 功能描述:輸入/輸出控制器接口集成電路 USB HOST CONTROLLER RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
ISP1760BE,551 功能描述:輸入/輸出控制器接口集成電路 USB HS HOST CONTRLLR RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
ISP1760BE,557 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1760BE518 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP
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