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参数资料
| 型号： | DEMO90121LR |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 4/19页 |
| 文件大小： | 0K |
| 描述： | KIT DEMO LONG RANGE READER |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 频率： | 13.56MHz |
| 适用于相关产品： | MLX90121 |
| 已供物品： | 阅读器电路板、天线板、3 个发射应答器卡、电源、RS232 缆线、软件和文档 |
| 产品目录页面： | 571 (CN2011-ZH PDF) |
DEMO90121LR
RFID Long Range Demo User Manual
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3 Transponder (Inlays or cards) ISO15693
1 Power supply block with adaptor
1 serial cable RS232
1 CD with the firmware and documentation
The delivered CD contains the complete documentation of the hardware and firmware for
DEMO90121LR, User Manual, Datasheet MLX90121, Source Code of the firmware (written in C,
flavor AVR gcc), Hex file of the firmware, Bill of materials of the board, UT121 software (PC user
interface)
1 Box Content (on paper)
5 Connections
The first step is to connect the component. Connect antenna board to the RFID reader board using the SMA
connector. Then, connect the serial cable from the computer to the RS232 connector (CON5). Finally,
connect the power supply block to the jack connector (CON6). The two LEDs D5 and D6 must be switched
ON.
Important note: Should you want to connect you own power supply, please note that in order to avoid extra
power dissipation, a maximum power supply (CON6) of 15 volts must be applied.
6 Function and use
Once connected, the demonstrator is able to receive commands sent through the RS232 serial interface. The
firmware of the DEMO90121LR handles the RFID communication, according to the ISO15693 international
standard up to the level 2. Meaning that the Start Of Frame, the End Of Frame and the CRC calculation and
check is supported by the firmware while, the protocol understanding has to be managed by a higher level of
application software.
The communication with the long range demonstrator can be established by any RS232 terminal by
configuring the following parameters:
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Data rate = 57600 BAUD
Data bit = 8bits
Parity = None
Stop bits = 1
Flow control = Hardware
For an easy and fast evaluation, the DEMO90121LR is supplied with the UT121 Melexis user interface. For
more information on how to install and use the UT121 , please refer to the documentation DVK90121 User
Manual .
After starting the user interface program, one will have access to a list of predefined commands to start the
communication with the demonstrator and with the ISO15693 transponders. For more information on the
command format supported by the DEMO90121LR, please refer to the chapter Firmware below.
7 Observations
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The delivered output power is 1 Watt to a 50-ohm load.
Reading range of the DEMO90121LR is about 28cm in ISO15693 dual sub-carrier.
The power consumption with the field ON is about 300 mA .
The DEMO90121LR supports the Anti-collision procedure . Therefore, several transponders can be
put in the field and the Anti-collision command can be sent. The unique identifier (UID) of every
transponder detected will be returned.
390129012104
Rev 003
Page 4 of 19
User Manual
Dec. 2009
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| DEMO908GZ60 | 功能描述:开发板和工具包 - S08 / S12 908GZ60 DEMO BOARD RoHS:否 产品:Development Kits 工具用于评估:MC9S12G128 核心:S12 接口类型:CAN, LIN, RS-232, USB 工作电源电压:5 V 制造商:Freescale Semiconductor |
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