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參數(shù)資料
| 型號(hào)： | VT83C572 |
| 廠(chǎng)商： | Electronic Theatre Controls, Inc. |
| 英文描述： | PCI TO USB CONTROLLER |
| 中文描述： | PCI到USB控制器 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大小： | 53K |
| 代理商： | VT83C572 |
VIA Technologies, Inc.
VT83C572
-1-
VIA VT83C572
PCI
TO
USB C
ONTROLLER
F
EATURES
* Universal Serial Bus Interface
USB specification v.1.0 compatible
Intel UHCI (Universal Host Controller Interface) v.1.1 register compatible
Legacy keyboard and PS2 mouse support
Root hub and two down stream function ports
Integrated physical layer transceivers
Normal and low power operating mode
Operable in both USB-aware (Windows-95 and NT) and USB legacy BIOS support
Inter-operable with major USB peripherals
* PCI Interface
PCI specification v.2.1 compliant
Supports advanced PCI commands
Multi-level data FIFOs with full scatter and gather capabilities
* 0.5um high speed low power CMOS process
* Single chip 100-pin PQFP device
VT83C572 C
ONFIGURATION
R
EGISTERS
The VT83C572 PCI to USB controller is fully compatible with the UHCI specification v.1.1. There
are two sets of software accessible registers -- PCI configuration registers and USB I/O registers. The
USB I/O registers are defined in the UHCI v.1.1 specification.
PCI Configuration Registers
Offset
Function
Vendor ID : 1106h
1-0
(read only)
3-2
Device ID : 3038h
(read only)
5-4
Command Register
bit 15-8: reserved
bit 7:
Address stepping, default: enabled
bit 6-5: reserved
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