DVK90121
Contents
1. 10 5 1 OP CODES src seisisdisl sce E E E 10 5 2 PARAMETERS a gassed a i ia asd 10 5 3 10 10 5 5 EXAMPLES EEA aa aAa 11 5 4 1 1501244483 een laces eared 11 5 42 185015693 single dual 11 6 DISCLAIMER 13 390129012102 2 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual 1 Unpacking the system The DVK90121 is delivered with all the components documentations and software listed below Evaluation board EVB90121 with its specific antenna Universal development board RS232 and flat cables for PC and EVB90121 connections Disk set consisting of the UT121 software and associated documentations 2 Connecting the system When you start with the development kit DVK90121 please follow the procedure described below 1 Connect the PCB antenna to the evaluation board EVB90121 using the SMA connector 2 Connect the EVB90121 with its antenn2. 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual Features and Benefits Standard ISO communications User interface software RS232 serial communication Dedicated instruction set 6 to 9Volts supply compliant Ordering Information Part No DVK901 21 General Description The development kit DVK90121 has been developed by Melexis to create specific applications using international standards ISO IEC and to evaluate the advantages and the high flexibility of the MLX90121 13 56MHz multi norms RFID transceiver The DVK90121 consists of the evaluation board EVB90121 connected to the RFID universal development board The universal development board contains the firmware for the communication with the MLX90121 and the communication with a computer through the RS232 serial interface A user interface software UT121 developed by Melexis allows the user controlling the communication by initializing the MLX90121 device sending specific commands and receiving the corresponding reply UT121 User interface Universal Development board MLX90121 EVB90121 Pre programmed firmware used as an interface ue qu Evaluation board of the Mlx90121 between the PC and the EVB90121 Digital interface 13 56MHz RFID transceiver Figure 1 DVK90121 block schematic 390129012102 Page 1 of 13 Development Kit Rev 006 Apr 2009 Mel DVK90121 e exl
3. Save log to must be selected File name can directly be specified by the user in the Write to file editor box or an existing file can be opened by using Open file button The program continiously communicates with the reader to test its presence but these internal commands are filtered It is possible to disable the filter with Disable filter option and thus see all communications between the computer and DVK90121 device 390129012102 Page 9 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems 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 Ple
4. connection and device Select COM port gesi Em or USB device from acis EA the list Baud rate 57600 USB Device seim USB DISK 075810 2 Update Close Figure 5 select port window If the selected port exists and can be used by the program it will be opened and Active state will be reported Closed state means that the selected port doesn t exist on the computer or that an other software already use it 390129012102 Page 5 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual Notes 1 Communication setup are 57600 baud with RS232 2 When the program is closed the current settings will be saved in the configuration file ut 21Config cfg Next time the program is executed these settings will be automatically uploaded 4 4 Device status The device status shows if a Melexis development kit is connected to the user UT121 Then the name of the development kit is displayed as shown on the following picture Mls TAG reader If any development kit has been successfully detected No device will be reported in the device status 4 5Main menu The main menu contains several drop down menus listed and described below Care should be taken that the view of the main menu can be modified after an update of the software Melexis 13MHz TAG reader 10 x Fie Options Firmware Documentat
5. Main window When the UT121 software is executed the following main window will be displayed It is structured in several parts main menu device status communication status command tree command list and communication parts Main menu Device status Communication status Melexis 13MHz TAG reader File Options Pima Documentation Source so BB Disable filter eee tl Common Read single block 12015 032000 ere 150 144438 Read multiple blocks 1015 03230002 C Inventory 15015 07010100 cre 5 G 150 15693 ee i Read so block i P Read multiple blocks i Inventory Send Lines to show 20 Repeat selected 150 ms I Save j Communication Figure 4 UT121 main window The following chapters describe in detail all parts which compose the main window to familiarize the user with all the possibilities of the UT121 user interface software 4 3Communication status The UT121 user interface software can communicates the RS232 or USB serial interfaces The communication status part displays the status of the selected port Use of the DVK90121 is only possible through RS232 port A double click on the communication status opens the select port window which allows the user selecting the appropriate port and Baud rate Current data will be updated by pressing on the update button D 5760 Active
6. another group The same menu can be opened with a right click on the command Then the user can delete the command change its position in the group and editing it 4 Move up All commands of the UT121 software are separated in two parts The Comment part which is a name chosen by the user and the Command part which is the real command send to the DVK90121 This command cannot be completely defined by the user and should have a fixed definition part to be understood by the firmware To create a new command right click on a group to open the popup menu and chose the Append command line Then enter the name comment of the command and press Ok button The command will appear with red symbol while the Command part has not been entered Then to fill in the Command part right click on the command and chose the Edit command button 390129012102 Page 7 of 13 Development Kit Rev 006 Apr 2009 Mel DVK90121 e exl 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual 4 7 Command list amp Register s configuration The middle part of a main window represents the list of commands included in the group selected in the command tree window Both Comment and Command parts are displayed Group selected Access to the registers Grody configuration of the MLX90121 _ Comment Command Press onto this grey rectangle to send the g M Read single block 1015 03
7. be ever more frustrating if something is described in the document but SV is not up to date and cannot work with it All related documents will be placed in DOC folder and Documentation section will appear in the menu Will you install anything else on my computer No All program components will be copied to your computer to any folder you create None of them change system files or system registry To delete this program and any of it components you only need to delete a folder where you copied it Let s say you created a folder C Melexis and copied all components there Program will automatically create some other folders inside this folder For example to store documentation the folder C Melexis Doc will be created and all documents will be placed there When you decide not to use this SV anymore and Perform update v J Figure 3 First use message The update check interval will be used to automatically check on the Melexis WEB site if new updates are available The software will ask to the user if he allows the download and the automatic replacement of the user interface software and firmware If you choose Never as the update interval you will need to update the program by yourself using the update command in the option menu 390129012102 Page 4 of 13 Development Kit Rev 006 Apr 2009 Mel DVK90121 e exl 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual 4 2
8. not be liable to recipient or any third party for any damages including but not limited to personal injury property damage loss of profits loss of use interrupt of business or indirect special incidental or consequential damages of any kind in connection with or arising out of the furnishing performance or use of the information in this documentation The product described in this documentation is intended for use in normal commercial applications Applications requiring operation beyond ranges specified in this documentation unusual environmental requirements or high reliability applications such as military medical life support or life sustaining equipment are specifically not recommended without additional processing by Melexis for each application Any supply of products by Melexis will be governed by the Melexis Terms of Sale published on www melexis com Melexis NV All rights reserved For the latest version of this document go to our website at www melexis com Or for additional information contact Melexis Direct Europe Asia Americas Asia Phone 32 1367 0495 Phone 1 603 223 2362 Phone 32 1367 0495 E mail sales europe melexis com E mail sales usa melexis com E mail sales _asia melexis com ISO TS 16949 and ISO14001 Certified 390129012102 Page 13 of 13 Development Kit Rev 006 Apr 2009
9. 2000 command Read multiple blocks 1015 03230002 cre O Inventory 120151 07010101 cre Each command in the command list can be selected by checking the square Button used to send all selected commands one after the other 2 1 Send selected When Repeat selected is aa Repeat selected 300 ms checked the selected commands will be sent continuously according to the repeat interval The commands can be executed by pressing the grey rectangle on the left Several commands can be selected and executed altogether by checking the corresponding white square and by pressing on the AY Send selected button If Repeatselected is checked all selected commands will be sent continuously according to the repeat interval Note If the specified interval is too small and the system cannot execute commands that fast it will increase this interval automatically To each group or sub group selected corresponds a specific registers configuration of the MLX90121 and all commands grouped will be executed with the same registers configuration When a group or sub group is selected the UT121 software automatically sends the current configuration to the DVK90121 to update the registers of the MLX90121 transceiver To access this registers configuration press onto the Rt and a window with all registers name and hexadecimal values will be displayed The current value is automatically updated when this window is closed p
10. 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual Table of Contents 15 UNPACKING THE SYSTEM noii e e aa E a A a a cee eae 3 2 CONNECTING THE SYSTEM 2 suueusavecersbcesscussavecencrencare 3 3 INSTALLING THE UT121 USER INTERFACE SOFTWARE 2 c ccseecseseeseeeenseenseesneeenneesnseesneeesneesnseeaneesseeesneeeneeeneeeeseeenseeanerensees 4 4 WORKING WITH THE UT121 USER INTERFACE SOFTWARE cssscssesseereseneeeeeeeseasneneneneeseseseasnenesseaeaseasseesaenesseeeeseesneneneaeeesease 4 4 1 THE FIRST RUN rnorti EE a AA S a a A a ARAR a ERRERA 4 4 2 MAIN WINDOW AeA a aaa 5 4 3 COMMUNICATION STATUS 5 4 4 DEVICE STATUS iss iceri 6 4 5 M IN 6 4 6 COMMAND TREE v2 T E 7 4 7 COMMAND LIST amp REGISTER S CONFIGURATION cccccceesessseececeeeceeseaaeeeceeeeeceesauaaeaeseseesceeeaasaeseseesesessaeess 8 4 8 COMMUNICATION dasiablecsiedavesasasceneseecdestagdagedvadidarsssetandsehes 9 5 SET OF COMMANDS 2 A
11. a to the universal evaluation board using the flat cable provided in the box Connect the flat cable in the PORTA connector of the universal development board in the middle of the three 10 pins connectors in line 3 Connect the universal development board to the PC using the RS232 cable The RS232 cable is fitted into the DB9 connector of the universal development board and the other end is inserted into the COM port of the PC DB9 connector The chosen COM port can be selected in the UT121 software 4 Connect the Power Supply of the universal development board and EVB90121 Both Power Supplies are required with a standard 2 1mm barrel connector and must be DC 6 to 9 Volts 5 Switch on SW1 button on the universal development board PCB antenna Evaluation board EVB90121 Figure 2 Connection of the DVK90121 Important Note The supply must be between 6 to 9 Volts DC Higher voltage may damage permanently the DVK90121 circuit 390129012102 Page 3 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual 3 Installing the UT121 user interface software To install the software please insert the compact disc provided with the kit in your computer and simply copy the UT121 folder on your computer The user interface software is now ready to use and can be started by double clicking on the icon UT121 Note To remove the UT121 softwa
12. ase 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 150146 OP code for 15014443 type 15015 OP code for 15015693 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 The 16bits CRC X16 X12 X5 1 is automatically calculated by the firmware and sends with the request slot_X Used to define the number of slots during an Inventory and Write requests 015015693 X must be between 1 16 5 4 390129012102 Page 10 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual 5 5 Examples Some examples of commands are described in this chapter 5 4 1 15014443 type The DVK90121 allows the communication until the level of the 15014443 protocol called Initialization and antico
13. ic Integrated Systems o WRITE SINGLE BLOCK WSB CSB DVK90121 Development kit for the MLX90121 transceiver User Manual Op code Parameters Key words 5015 42210011223344 cre Slot 2 42 Flags of the request The 16bits CRC is Two slots send after 21 Write single block command automatically the request 00 Block number 11223344 Data to write calculated by the firmware and send with the request Note Certain transponder doesn t support the write command with the option bit set Flags to 42 43 or cleared Flags to 02 03 INVENTORY Op code Parameters Key words 15015 06010100 crc Slot 15 06 Flags of the request 01 Inventory command 01 mask length in this case we use only 1 bit 00 mask value In this example mask value 5 ANTICOLLISION SEQUENCE The 16bits CRC is automatically Two slots send after the request calculated by the firmware and send with the request Op code Parameters 15015 Inventory For ASK Perform a complete Inventory sequence All the UIDs of the transponders in the field will be displayed Iso15 Inventory For FSK Perform a complete Inventory sequence All the UIDs of the transponders in the field will be displayed 390129012102 Page 12 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver M
14. icroelectronic Integrated Systems User Manual 6 Disclaimer 1 8 The information included in this documentation is subject to Melexis intellectual and other property rights Reproduction of information is permissible only if the information will not be altered and is accompanied by all associated conditions limitations and notices Any use of the documentation without the prior written consent of Melexis other than the one set forth in clause 1 is an unfair and deceptive business practice Melexis is not responsible or liable for such altered documentation The information furnished by Melexis in this documentation is provided 5 is Except as expressly warranted in any other applicable license agreement Melexis disclaims all warranties either express implied statutory or otherwise including but not limited to the merchantability fitness for a particular purpose title and non infringement with regard to the content of this documentation Notwithstanding the fact that Melexis endeavors to take care of the concept and content of this documentation it may include technical or factual inaccuracies or typographical errors Melexis disclaims any responsibility in connection herewith Melexis reserves the right to change the documentation the specifications and prices at any time and without notice Therefore prior to designing this product into a system it is necessary to check with Melexis for current information Melexis shall
15. ion Source Help File All options to save and load a Command List A Command listis a group which may contain commands to be executed Options Automatic update options o Program settings Option to save the firmware file hexadecimal file during an automatic updates procedure Option to remember the screen size when the program is closed o Auto update options Option concerning the automatic check interval o Connection Used to specify a proxy settings if necessary o Update now The software will find new updates available on the Melexis WEB site Firmware Used to load the firmware file hexadecimal files hex and to program it into the DVK90121 through the serial interface The current firmware into the DVK90121 will be replaced by the new one Documentation Contains the up to date documentation of the DVK90121 Last files are downloaded when an update is executed Source Contains the updated microcontroller source code of the DVK90121 Last version is downloaded when an update is executed Help To get Libraries and Firmware versions 390129012102 Page 6 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual 4 6Command tree The command tree window contains a set of commands supported by the DVK90121 organized in groups sub groups and commands The complete structure is saved in the ut12 ComList tv and will be aut
16. llision WUPB Wake up type B TAG Op code Parameters Key word Iso14b 050008 crc 05 Anticol Prefix byte APF The 16bits CRC type B is automatically calculated by the firmware and 00 Application Family Id AFI send with the request 00 PARAM WUPB Nbr of slots Slot MARKER slots after REQB WUPB commana Op code Parameters Key word Iso14b 15 crc 15 Anticol prefix byte APn 2 slots The 16bits CRC type B is automatically calculated by the firmware and send with the request o ATTRIB Op code Parameters Key word Iso14b 1D92036A9600000101 crc Attrib command The 16bits CRC type B is automatically calculated by 92036 96 Identifier PUPI send by the TAG after a the firmware and send with the request successful REQB WUPB command 00 Param 1 00 Param 2 01 Param 3 01 Param 4 5 4 2 15015693 single dual sub carrier The DVK90121 allows the communication until the level of the 15015693 protocol called Anticolilision and transmission protocol o READ SINGLE BLOCK RSB Op code Parameters Key word 15015 022000 crc 02 Flags of the request The 16bits CRC type B is automatically calculated by the firmware and 20 Read single block command send with the request 00 Block number 390129012102 Page 11 of 13 Development Kit Rev 006 Apr 2009 Melexis Microelectron
17. omatically loaded by the UT121 software when started The following picture shows an organization s example of the command tree window HeD Anene 21 As an example 15015693 Dual Subcarrier group contains several commands according to 15015693 standard If a DVK90121 is connected and recognized by the software each command can be Root H 0 executed separately by clicking on the icon The entire group can 97 60 150 144438 also be executed by clicking on the icon in this case 150 15693 commands include into the corresponding group will be executed one 150 15693 Single Subcariei f after the other All groups may contain several sub groups with PREM another set of commands In the example the 15015693 group a Append group contains two sub groups for Single or Dual sub carrier specific commands Delete group gt Append command The complete tree structure can be modified by the user and a right Load branch click on the name of the group or sub group opens a popup menu Save branch with several options Then the user can append a subgroup delete the entire group append a new command into this group and move the branch up and down in the list It is also possible to save the Move down complete branch group with its complete structure sub groups commands and registers configuration and to load this branch into
18. re you only need to delete the folder that you created on your PC The software doesn t modify the registry and doesn t write anything to the system folders 4 Working with the UT121 user interface software 4 1 The first run When you execute the UT121 software for the first time the following window appears It contains some explanation about the automatic update Please read carefully the text displayed choose the appropriate update check interval and press OK button Auto update message xj Dear customer thank you for choosing Melexis 13MHz TAG reader lt seems that you run this S W for the first time on your computer This program can automatically update itself from the Internet In order to do so it needs your autorization Please read carefully the statement below choose appropriate update and press OK Melexis team hopes this text will answer on your questions Why should update Our team is working continuously on improving our products This includes not only the SW but also the documentation So if you enable update you will be sure all related documents are also up to date Why do you update also the documentation allows the program and documentation mach For example we implement new feature and SW is able to work with it can be quite frustrating if you see something in program but you dont have any description of what you see and how it works can
19. ress again on the Rt button Analog config Registers configuration of the MLX90121 transceiver Start 01 from address 0 AnalogConfig 0 Encoder time ref register to address 11 LTC register 25 Symbol DF Buttons used to save the Register value 4301 SSE hel oun 3 Restore Save 390129012102 Page 8 of 13 Development Kit Rev 006 Apr 2009 90121 M e lexi 5 Development kit for the MLX90121 transceiver Microelectronic Integrated Systems User Manual 4 8Communication screen The right side of the main window shows the communication between the computer and the development kit Each time the user sends a command it appears in the screen followed by the reply of the DVK90121 The user can specify the number of displayed lines in the Lines to show window It was set up to make sure the most recent command or reply are displayed without scrolling Moreover it is possible to erase the screen by pushing the Clear button Disable filter index Disable Ale Communication screen where all data exchanged with the development kit are displayed Number of lines to be displayed Lines to show 30 Write to file index Save log to Figure 6 Screen of communication Erase screen Open file button Write to file editor box The content of the screen can be automatically written to a file To do this the file name must be specified and the index
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