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參數(shù)資料
| 型號： | GL651USB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2-PORT USB KEYBOARD HUB CONTROLLER |
| 中文描述： | 2端口USB鍵盤的集線器控制器 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 156K |
| 代理商： | GL651USB |
2 03/06/00
GL651USB USB KEYBOARD HUB CONTROLLER
Version 1.0
1
High performance and low-cost solution for USB keyboard with hub solution
USB Specification Compliance
Conforms to USB specification Rev. 1.1
Conforms to HID Class specification Rev. 1.0
Supports 1 device address for hub, 1 device address for keyboard
Supports 2 endpoints of hub, 3 endpoints for keyboard
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
Up to 20 output pins for key matrix drive pin
Up to 8 input pins for key matrix sense pin
Up to 5 I/O pins with LED drive capability : 3 for keyboard, 2 for hub
Up to 8 general purpose I/O pins for customization
Internal memory
80 bytes of RAM
3.25K
×
14 of program ROM
larger size of ROM makes it possible for customization
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
Remote wakeup is supported for both keyboard and hub
Support power management for downstream port devices
Automatic switching between self/bus powered mode
Smart LED traffic indicator
The higher data traffic flows through the hub downstream port, the higher
frequency that port’s LED will blink.
100 pin LQFP package for demo, COB structure is supported
FEATURES
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