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PDF ( 数据手册 , 数据表 ) EKK6511

零件编号 EKK6511
描述 RF Keyboard Decoder
制造商 ELAN Microelectronics
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EKK6511 数据手册, 描述, 功能
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eKK6511
RF Keyboard
Encoder
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
November 2002







EKK6511 pdf, 数据表
www.DataSheeKetK4U6.5co1m1
RF Keyboard Encoder
6 Function Description
6.1 Encoder Buffer
The eKK6511 will buffer 24 bytes first-in-first-out order when the system is able to
receive scan codes from the keyboard. The eKK6511 generate RF data frame
according to FIFO and keyboard status. Then, modulation the data frame into serial
signal to RF Tx module. When key pressed, the EKK6511 will generate a make code
into FIFO. If key not released, eKK6511 will generate a make code into FIFO every
200ms. When key released, the eKK6511 will generate a break code into FIFO.
6.2 Device ID
The eKK6511 has support two device ID mode:
Controllable ID mode: Using the 3 bits DIP switch to control the device ID.
Random generate ID mode: Using the push bottom to generates a random device ID
(255 sets) and restores in EEPROM (93LC46). The eKK6511 will broadcast 10
seconds the new device ID after push bottom released. When battery exchange or
reset, the device ID will recovery from EEPROM.
7 Absolute Maximum Ratings
Parameter
Temperature under bias
Storage temperature
Input Voltage
Output Voltage
Sym.
TOPR
TSTR
VIN
VOUT
Ratings
0 to 70
-65 to 150
-0.3V to +6V
-0.3V to +6V
4 Product Specification (V1.0) 11.15.2002
(This specification is subject to change without further notice)














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