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參數(shù)資料
| 型號： | PL-2555 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Hi-Speed USB Docking Controller |
| 中文描述： | 高速USB控制器的對接 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 31K |
| 代理商： | PL-2555 |
Prolific Technology Inc.
7F, #48, Sec.3, Nan-Kang Rd., Taipei, Taiwan 115, ROC
Tel: 886-2-2654-6363 Fax: 886-2-2654-6161
E-mail :
sales@prolific.com.tw
http://www.prolific.com.tw
PL-2555 Product Brochure
V1.0 08/05/02
OVERVIEW
The PL-2555, an USB 2.0 docking IC, is consisted of four types of most commonly used peripheral interfaces,
namely ATAPI (IDE), Parallel, Serial, and PS/2 interfaces. It is intended to provide an off-the-shelf single chip
solution for portable equipments, such as notebook, to extend the peripheral capability via the USB2.0 bus
with 480Mbps transfer rate. An USB 2.0 hub is embedded to achieve the most cost-effect goal for
multi-peripheral solution.
To take advantage of Plug-and-Play, all the peripheral interfaces, except the serial interface, are
implemented according to the related USB class specifications: a USB mass storage class for ATAPI devices;
a USB printer class for printers; a USB HID device for keyboard and mouse. Since the default drivers are
embedded within most of current OS, no extra driver is needed.
It is possible to configure the parallel controller to implement the ECP/EPP modes to work with parallel
devices other than printers. For some specific applications, the parallel interface can be configured as an
extra ATAPI (IDE) interface.
FEATURES
Full compliance with the Universal Serial Bus
Specification v2.0.
On chip USB 2.0 PHY
On chip 3.3V-2.5V 150mA regulator for core
circuit in 0.25um process version
Advanced power management mechanism.
Consist of one hub, one ATAPI controller for
IDE, one parallel controller for printer port or
IDE, 3 serial controllers for one UART and 2
PS/2 ports
Conform to USB mass storage class
specification
Conform to USB Printer Class Specification
Conform to USB HID Class Specification
Support ATAPI PIO/DMA/UDMA-66
Support serial interface communication up to 1M
bps.
Option external serial EEPROM interface to
store vender-specific information.
Package type: LQFP128(TBD)
Power
Management
Phase
Lock
Loop
ATAPI
Controller
3.3V
power
12 MHz
Crystal
USB Host
3.3V–2.5V
Regulator
USB2.0 PHY
USB2.0 SIE
USB2.0 Controller
Hub
Serial/PS2
Controller
Parallel
Controller
/ATAPI
ATAPI
Device
Serial Device
PS2
Keyboard
and Mouse
ATAPI
Device
Parallel
Interface
Device
Hi-Speed USB Docking Controller
PL-2555
BLOCK DIAGRAM
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