W81282F
W81282F is USB Keyboard Controller manufactured by Winbond.
DESCRIPTION
1 APPLICATION BLOCK DIAGRAM 1 FEATURES
2 PIN CONFIGURATION 3 PIN DESCRIPTION
4 ABSOLUTE MAXIMUM RATINGS 8 ELECTRICAL CHARACTERISTICS 9 TYPICAL APPLICATION 11 HOW TO READ THE TOP MARKING 13 PACKAGE DIMENSIONS 14
Publication Release Date: Aug. 1999 -1Revision 0.5
USB HUB CONTROLLER 1. GENERAL DESCRIPTION
The W81282F is a highly integrated USB keyboard with 4 port hub controller chip. The W81282F has a built-in 21X8 default keyboard matrix, so that it can be directly connected to keyboard with multi-media function matrix. The keyboard matrix, vendor ID, and device ID can be easily customized from an optional EEPROM or modify firmware to meet any customers' requirement. The 4 USB down-stream port can be used to connect various USB peripheral devices, such as printer, modem, speaker, camera, mice, and joystick, to system without any external glue...
