2024年5月6日发(作者：瑞文静)
Genesys Logic, Inc.
GL650USB
USB 4 PORT HUB CONTROLLER
DATA SHEET, Version 1.2
Aug. 18, 2000
Genesys Logic, Inc.
10F, No.11, Ln.3, Tsao Ti Wei, Shenkeng, Taipei, Taiwan
Tel: 886-2-2664-6655 Fax: 886-2-2664-5757
GL650USB 4 PORT USB HUB CONTROLLER
1
FEATURES
•
High performance and low-cost solution for USB hub
•
USB Specification Compliance
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
− Conforms to USB specification Rev. 1.1
− Supports 1 device address and 2 endpoints
8-bit micro-processor
− RISC-like architecture
− USB optimized instruction set
− Single cycle instruction execution
− Operation Speed: DC to 24 MHz clock input
− Performance: 12 MIPS @ 24MHz
I/O ports
− 4-port hub
Internal memory
− 64 bytes of RAM
− 1.75K × 14 of program ROM
On-chip 3.3v output
− No external regulator required
Integrated USB transceiver
12 MHz external clock
Improved output drivers with slew-rate control to reduce EMI
Internal power-on reset(POR)
Internal power-fail detector for ESD recovery
Support suspend/normal mode power management
Support power management for downstream port devices
Automatic switching between self/bus powered mode
Smart LED traffic indicator
− The higher data traffic flows through one port, the higher frequency that port’s
LED will blink.
Applications:
− Stand-alone USB hub
− PC motherboard USB hub
48 pin LQFP package
2 08/18/00
Revision 1.2
2024年5月6日发(作者：瑞文静)
Genesys Logic, Inc.
GL650USB
USB 4 PORT HUB CONTROLLER
DATA SHEET, Version 1.2
Aug. 18, 2000
Genesys Logic, Inc.
10F, No.11, Ln.3, Tsao Ti Wei, Shenkeng, Taipei, Taiwan
Tel: 886-2-2664-6655 Fax: 886-2-2664-5757
GL650USB 4 PORT USB HUB CONTROLLER
1
FEATURES
•
High performance and low-cost solution for USB hub
•
USB Specification Compliance
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
− Conforms to USB specification Rev. 1.1
− Supports 1 device address and 2 endpoints
8-bit micro-processor
− RISC-like architecture
− USB optimized instruction set
− Single cycle instruction execution
− Operation Speed: DC to 24 MHz clock input
− Performance: 12 MIPS @ 24MHz
I/O ports
− 4-port hub
Internal memory
− 64 bytes of RAM
− 1.75K × 14 of program ROM
On-chip 3.3v output
− No external regulator required
Integrated USB transceiver
12 MHz external clock
Improved output drivers with slew-rate control to reduce EMI
Internal power-on reset(POR)
Internal power-fail detector for ESD recovery
Support suspend/normal mode power management
Support power management for downstream port devices
Automatic switching between self/bus powered mode
Smart LED traffic indicator
− The higher data traffic flows through one port, the higher frequency that port’s
LED will blink.
Applications:
− Stand-alone USB hub
− PC motherboard USB hub
48 pin LQFP package
2 08/18/00
Revision 1.2