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參數資料
型號： ISP1161
廠商： NXP Semiconductors N.V.
英文描述： Full-speed Universal Serial Bus single-chip host and device controller
中文描述： 全速通用串行總線的單芯片主機和設備控制器
文件頁數： 23/127頁
文件大小： 2762K
代理商： ISP1161
Philips Semiconductors
ISP1161
Full-speed USB single-chip host and device controller
Product data
Rev. 01 — 3 July 2001
23 of 130
9397 750 08313
Philips Electronics N.V. 2001. All rights reserved.
A simplistic flow diagram showing when and how to generate USB traffic is shown in
Figure 24
. For greater accuracy, refer to both the Universal Serial Bus Specification
Revision 1.1about the protocol and ISP1161 USB HC’s register usage.
Reset
This includes hardware reset by pin RESET and software reset by the
HcSoftwareReset command (A9H). The reset function will clear all the HC’s
internal control registers to their reset status. After reset, the HC Driver must
initialize the ISP1161 USB HC by setting some registers.
Initialize HC
It includes:
–
Setting the physical size for the HC’s internal FIFO buffer RAM by setting the
HcITLBufferLength register (2AH - Read, AAH - Write) and the
HcATLBufferLength register (2BH - Read, ABH - Write)
–
Setting the HcHardwareConfiguration register according to requirements
–
Clearing interrupt events, if required
–
Enabling interrupt events, if required
–
Setting the HcFmInterval register (0DH - Read, 8DH - Write)
–
Setting the HC’s root hub registers
–
Setting the HcControl register to move the HC into USB Operational state
See also
Section 9.5
.
Entry
The normal entry point. The microprocessor returns to this point when there are
HC requests.
Need USB Traffic
USB devices need the HC to generate USB traffic when they have USB traffic
requests such as:
–
Connecting to or disconnecting from the downstream ports
–
Issuing the Resume signal to the HC
To generate USB traffic, the HC Driver must enter the USB transaction loop.
Fig 24. ISP1161 HC operating flow.
MGT948
Need
USB traffic
Prepare PTD data in
μ
P system RAM
Initialize
HC
Transfer PTD data into
HC FIFO buffer RAM
HC performs USB transactions
via USB bus I/F
HC informs HCD of
USB traffic results
HC interprets
PTD data
Exit
Entry
HC state =
USB_Operational
no
yes
Reset
相關PDF資料
PDF描述
ISP1161A1 Universal Serial Bus single-chip host and device controller
ISP1161A1BD Universal Serial Bus single-chip host and device controller
ISP1161A1BM Universal Serial Bus single-chip host and device controller
ISP1161BD Full-speed Universal Serial Bus single-chip host and device controller
ISP1161BM Full-speed Universal Serial Bus single-chip host and device controller
相關代理商/技術參數
參數描述
ISP1161A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Full-speed Universal Serial Bus single-chip host and device controller
ISP1161A1 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus single-chip host and device controller
ISP1161A1BD 功能描述:IC USB HOST/DEVICE CTRLR 64-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝: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 供應商設備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A
ISP1161A1BD,118 功能描述:USB 接口集成電路 USB1.1 HOST &DEVICE RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1161A1BD,151 功能描述:USB 接口集成電路 USB1.1 HOST &DEVICE RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
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