DVK90109
125kHz RFID Development Kit
User Manual
3 Digital communication EVB90109 - DVKRFID
The microcontroller on the DVKRFID board communicates with the EVB90109 through a 10 pins connector.
DVK90109
Transponder
RFID
EVB90109
CONNECTOR
DVKRFID
(microcontroller)
RS232
The picture and the table below describe all connections between the EVB90109 and the DVKRFID board.
10 pins
connector
Vcc
Ground
Speed
Mode
EVB90109
Modu
ModuR2
ModuR3
DataIn
ClockIn
Coil
DVKRFID
Name
Vcc
GND
Speed
Mode
Modu
ModuR2
ModuR3
DataIn
ClockIn
Coil
Function
Supply voltage for the EVB90109
Ground connection for the EVB90109
Data rate selection: GND = 4kBaud, Vcc = 2kBaud
Decoding selection: GND = Biphase, Vcc = Manchester
Power down mode
Antenna voltage control: GND = Field ON, Vcc = Field OFF
-
Data Ouput
Clock Ouput
Oscillator output
Direction
DVK -> EVB
DVK -> EVB
DVK -> EVB
DVK -> EVB
DVK -> EVB
DVK -> EVB
DVK -> EVB
EVB -> DVK
EVB -> DVK
EVB -> DVK
Comment
NOT USED
NOT USED
DataIn and ClockIn will be
internally pulled-up by the
microcontroller.
390129010902
Rev. 002
Page 4 of 13
Development Kit
Apr-2008
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相关代理商/技术参数
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