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| 型号： | DVK90121 |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | KIT DEV FOR MLX90121 |
| 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： | 带天线的评估板，通用开发板，线缆和带 UT121 软件的磁盘组 |
| 产品目录页面： | 571 (CN2011-ZH PDF) |
DVK90121
Development kit for the MLX90121 transceiver
User Manual
5. Set of commands
The firmware controls the communication with the MLX90121 multi-protocol RFID reader. Therefore, it has to
be informed by the UT121 software of the protocol used and the command that needs to be executed. This
chapter describes in detail the set of instructions used for the communication to the DVK90121
(microcontroller firmware).
The different commands are based on Mnemonic assignment defined by several ASCII characters forming
the OP code and defining the protocol used. The OP code is followed by a variable number of Hexadecimal
parameters , which form the command according to the protocol used and specific key words as CRC, BCC.
Notes:
(1) The commands are always defined MSB first in the UT121 software. The firmware will take care of the
data direction according to the standards specification.
(2) Please note that the commands of the UT121 software are case insensitive. Then it is possible for the
user to type commands with capital or small letters.
5.1
OP codes
The OP codes are used to inform the firmware of the protocol used to be able to control the communication.
Iso14b
Iso15
OP code for ISO14443 type B
OP code for ISO15693 single and dual sub-carrier
5.2
Parameters
The parameters form the request sends to the transponder according to the standard used. For more
information concerning these parameters, please refer to the ISO norms and the chapter 5.4 below.
5.3
Key words
Some key words are used to facilitate the implementation of the complete commands. For example, all parity
check bytes or words are automatically calculated by the firmware and send with the request.
crc
slot_X
5.4
The 16bits CRC (X 16 + X 12 + X 5 + 1) is automatically calculated by the firmware and sends with the request.
Used to define the number of slots during an Inventory and Write requests of ISO15693. X must be between 1 and 16.
390129012102
Rev 006
Page 10 of 13
Development Kit
Sept.-2009
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| DVK90129 | 功能描述:DEVELOPMENT KIT MLX90129 RoHS:是 类别:RF/IF 和 RFID >> RFID 评估和开发套件及电路板 系列:- 产品培训模块:M24LR64 Dual Interface EEPROM 标准包装:1 系列:- 类型:读取器模块 频率:13.56MHz 适用于相关产品:M24LR-64-R 已供物品:2 根基准天线，I2C 和 RFID 读取器，样品 其它名称:497-10480 |
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| DVK90132 | 制造商:Melexis Semiconductors 功能描述:BOARD EVAL FOR MLX90132 制造商:Melexis Semiconductors 功能描述:Evaluation Board for MLX90132 Transceiver |
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