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EKK6111

RF Keyboard Decoder

ELAN Microelectronics 

eKK6111

RF Keyboard Decoder

1 General Description

In RF keyboard system, that is divided into two parts (the transmitter and the receiver).

The eKK6111 micro-controller is dedicated to RF keyboard decoder for single channel

RF Rx module. The eKK6111 is decode the data from RF Rx module, control all scan

codes, three LEDs status and communication with PC. That is specially designed for

IBM PC AT and all compatible machines.

eKK6111

RF Tx

Module

RF Rx

Module

RF

Keyboard

Transmitter

eKK6111

Receiver

PS/2

IBM Compatible

2 Features

Low Cost – eliminate need external components

Resonator Oscillator (4.00MHz)

Support scan code set 1, 2 and 3

Support PC AT and PS/2 keyboard

Support WINDOWS 95, 98, 2000 keys.

104/107 Key with multi-media or other special application keyboard encoder.

RF demodulation tolerance: ± 20%

Using the device ID to identify which transmitter was connected.

DIP switch to select. (8 sets ID)

Random generate ID (255 sets ID) and store in EEPROM (93LC46)

Package: 28-pins PDIP, 28-pins SOP

3 Application

The eKK6111 is support the single channel or two channels RF Receiver module.

IBM PC AT or compatible machine keyboard

IBM PS/2 or compatible machine keyboard

Product Specification (V1.0) 11.15.2002

•1

(This specification is subject to change without further notice)

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