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PDF W81282F Data sheet ( Hoja de datos )
| Número de pieza | W81282F | |
| Descripción | USB Keyboard Controller | |
| Fabricantes | Winbond | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de W81282F (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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W81282F
USB Keyboard Controller
with
4 Ports Hub
1 page  
W81282F
PRELIMINARY
3. FEATURES
• Full compliance with USB spec Rev 1.1 and HID Class Definition Rev 1.0
• Embedded microprocessor--8052 ( 6K ROM + 256 Byte RAM)
• Support auto-detected two power source mode between bus power mode and self power mode.
• 12-Mhz crystal/oscillator input to lower EMI
• Support Suspend and Resume operation
• Support ACPI features
• Four downstream ports with per port over-current protection
• Single 5V supplied with embedded 5V-3.3V regulator
• Provides the external pull-up resistor control for the up-stream connection.
• Per-port/Global power control optional
• Built-in ESD/EFT protection circuit
• Support 21 X 8 keyboard matrix
• Support consumer control function for multi-media
• Support optional EEPROM for vendor ID, device ID, and KB matrix down load
• Support encoder input for audio volume control
• Provide the external pull-up resistor control for the up-stream connect
• 100-pin PQFP
• 5V CMOS device
Publication Release Date: Aug. 1999
-2-
Revision 0.5
5 Page 
6. ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage (Vcc to Vss)
Analog Input Voltage
Digital Input Voltage
Power Dissipation
Ambient Operating Temperature
Lead Temperature (Soldering, 10 sec)
W81282F
PRELIMINARY
LIMIT
5.5V
Vss-0.5V to Vcc+0.5V
Vss-0.5V to Vcc+0.5V
TBD
0oC to 70oC
250oC
Publication Release Date: Aug. 1999
-8-
Revision 0.5
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet W81282F.PDF ] | |
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