參數(shù)資料
型號(hào)： EKK6511
英文描述： RF keyboard transmitter
中文描述： 鍵盤(pán)射頻發(fā)射器
文件頁(yè)數(shù)： 1/7頁(yè)
文件大?。?/td> 272K
代理商： EKK6511
Preliminary
eKK6511
RF KEYBOARD ENCODER
* This specification are subject to be changed without notice.
1
2002/11/15
GENERAL DESCRIPTION
In RF keyboard system, that is divided into two parts (the transmitter and the receiver). The eKK6511
micro-controller is dedicated to a RF keyboard encoder for single channel RF transmitter module. The eKK6511 is
scanning keyboard state, encode key data and rely on RF Tx module to transmit data.
RF Tx
Module
Keyboard
RF Rx
Module
eKK6111
IBM Compatible
Receiver
PS/2
eKK6511
Transmitter
RF
FEATURES
Low cost – eliminate need external components.
Phantom key detect.
Resonator oscillator (2.00 MHz)
Low power CMOS device technology
Internal pull-up resistor.
Tri-state outputs for easy board application.
Built-in 4K ROM.
Support WINDOWS
TM 95, 98, 2000 keys.
104/107 keys with multi-media or other special keyboard encoder.
Support RF transmit module sleep mode (Sleep current under 10A).
Warm-up time of RF Tx modules: 7.2 sec
Using the device ID to identify which receiver was connected.
-
DIP switch to select. (8 sets ID)
-
Random generate ID (255 sets ID) and store in EEPROM (93LC46)
Package: 40-pins PDIP, 44-pins QFP
APPLICATION
Support the single channel or two channels RF transmitter module.
IBM PC AT or compatible machine keyboard.
IBM PS/2 model 30,50,60,80 or compatible machine keyboard.
Japanese keyboard.
Korean keyboard.
Brazilian keyboard.
European keyboard.
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