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参数资料
| 型号： | 935270523518 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 总线控制器 |
| 英文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP64 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-414-1, LQFP-64 |
| 文件页数： | 9/93页 |
| 文件大小： | 2118K |
| 代理商： | 935270523518 |
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Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 03 — 27 February 2003
17 of 89
9397 750 10765
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
USB states are reected in the HostControllerFunctionalState eld of the HcControl
register (01H - Read, 81H - Write), which is located at bits 7 and 6 of the register.
The HC Driver (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 - Read, 82H - Write).
9.2 Generating USB trafc
USB trafc can be generated only when the ISP1160 USB HC is under the USB
Operational 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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