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參數(shù)資料
| 型號(hào)： | ISP1761BE |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | Hi-Speed Universal Serial Bus On-The-Go controller |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP128 |
| 封裝： | 14 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT425-1, LQFP-128 |
| 文件頁(yè)數(shù)： | 14/158頁(yè) |
| 文件大?。?/td> | 724K |
| 代理商： | ISP1761BE |
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9397 750 13258
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 12 January 2005
14 of 158
Philips Semiconductors
ISP1761
Hi-Speed USB OTG controller
7.
Functional description
7.1 ISP1761 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
ISP1761 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 architecture of a Peripheral Component Interconnect (PCI) Hi-Speed USB
Host Controller to handle the full-speed and low-speed modes. The hardware architecture
in the ISP1761 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 4
shows the internal architecture of the ISP1761. The ISP1761 implements an
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 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 |
|---|---|
| ISP1761ET | Hi-Speed Universal Serial Bus On-The-Go controller |
| ISP2100A | Telecommunication IC |
| ISP2100BN4 | Microprocessor |
| ISP2300 | Controller Miscellaneous - Datasheet Reference |
| ISP2310 | Controller Miscellaneous - Datasheet Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1761BE,518 | 功能描述:USB 接口集成電路 USB HS OTG CONTROLLER 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 |
| ISP1761BE,551 | 功能描述:USB 接口集成電路 DO NOT USE ORDER -T OR NO "-" 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 |
| ISP1761BE,557 | 功能描述:USB 接口集成電路 USB HS OTG CTRLR 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 |
| ISP1761BE518 | 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB OTG 128LQFP |
| ISP1761BEGE | 功能描述:IC USB CTRL HI-SPEED 128LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
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