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1 、General Description
The SX83083D is a standard USB/U+P keyboard encoder.
Features:
● Operating voltage 4.5V~5.5V
● Universal Serial Bus Specification Version 1.1
● Support auto-adaptive PS/2 or USB mode
● Support scan code set 2 for PS/2
● Support 104/107 keyboard code circuit with multimedia function or other special function
● Support WINDOWS 95/98/XP/2000/ME/VISTA/7/8
● Support internal and external oscillator circuit
● Have multimedia function under USB and PS/2 mode
● Have project set 1, 2 and 3 of Fn+ [F1~F12] for multimedia function under USB and PS/2
mode
● Have “00” and “000” keys function under USB mode (be banned under energy saving mode
(PE4 grounding, PE3 and PE2 hung up), other modes are normal)
● Have a small keyboard function of 88-key under USB and PS/2 mode (PE4 grounding, PE3
and PE2 hung up)
● Have the volume wheel regulating function under USB mode (be banned under energy
saving mode (PE4 grounding, PE3 and PE2 hung up), other modes are normal, PC7 and
PC6 are pull-high by external resistors)
● Support “Fn+F11” for key-locking function under USB mode (PE4 and PE3 hung up, PE2
grounding)
● Support Fn+ [F1~F7] regulating key-press speed and “Fn+F11” for key-locking function
under PS/2 mode (PE4 and PE3 hung up, PE2 grounding)
● Have two levels of energy saving mode, reduce power consumption of circuit and the
connecting mobile devices such as tablet PC (PE4 grounding, PE3 and PE2 hung up)
● Achieve the standard of FCC、CE etc