参数资料
型号: ISP1160BD/01,118
厂商: ST-ERICSSON
元件分类: 总线控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件页数: 9/88页
文件大小: 394K
代理商: ISP1160BD/01,118
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 05 — 24 December 2004
17 of 88
9397 750 13963
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
The USB states are reected in the HostControllerFunctionalState eld of the
HcControl register (01H to read, 81H to write), which is located at bits 7 and 6 of the
register.
The HCD can perform only the USB state transitions shown in Figure 14.
Remark: The Software Reset in Figure 14 is not caused by the HcSoftwareReset
command. It is caused by the HostControllerReset eld of the HcCommandStatus
register (02H to read, 82H to write).
9.2 Generating USB trafc
USB trafc can be generated only when the ISP1160 USB HC is in the
USBOperational state. Therefore, the HCD must set the
HostControllerFunctionalState eld of the HcControl register before generating USB
trafc.
A simplistic ow diagram showing when and how to generate USB trafc is shown in
Figure 15. For greater accuracy, refer to the
Universal Serial Bus Specication
Rev. 2.0 for the USB protocol and the ISP1160 USB HC’s register usage.
Fig 14. The ISP1160 HC’s USB states.
MGT947
USBOperational
USBSuspend
USBResume
USBResume write
or
remote wake-up
USBReset
USBOperational write
USBSuspend write
USBReset write
hardware or software
reset
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