MICRFXXX User Manual for RF TestBench SW V. 0.7
Contents
1. Complete Setup windows e Make sure a transmitter is present txing 1010 at the correct frequency with the correct deviation and so on As a starting point use another development board to transmit 1010 Start e Press the Start button and observe the results Note the time delay between pressing the Start button and the update of the fields Note e Inthe micro controller the BER procedure will read bytes of the input If the byte is equal to 10101010 or 01010101 then it is OK and 0 errors are detected If any other byte value is read it will be counted as error Stop e The BER procedure in the micro will stop if the Stop button is pressed or if any other command is given to the development board After pressing Start or Stop wait until Success is displayed in the Status field before continuing i e before you enter another command or restart the BER 3 10 DORF TestBench Frequency Error Estimator This feature requires FW v2 or later The Frequency Error Estimator window pops up This feature requires the use of a development board NOTE Not all development board firmware versions will support this feature Read the FFE value by pressing the Read button or by stepping XCO tune value up down Pressing the Tune button will start a process to get the best XCO tune value Press the Keep button to use the XCO tune value from this dialog2. Controlword read from EEPROM Read EEP Select source of where to get the RF controlword Select the default controlword stored in FLASH program memory or the user entered controlword stored in EEPROM Refer to the User Manual for the board Push Buttons e TX1010 o Start to transmit a 1010 pattern Transmit mode will be entered over ruling the entered control word Modulation will stop if another command is given e TX Random this feature requires FW v3 or later o Start to transmit a random Manchester coded pattern Transmit mode will be entered over ruling the entered control word Modulation will stop if another command is given e Get FW v o Get the firmware version of the program presently in the micro controller New features may be added to new versions of the firmware Make sure your firmware version supports the features you want to use in RF TestBench if a feature requires a special FW version It is described with the feature in this manual e Reset uC Status Micrel Norway AS 13 RF TestBench User Guide SW v07 o Restart micro controller Reset EEP o Fill EEPROM with default settings of the control word Read EEP o Read the presently stored EEPROM control word Use FLASH o Instruct the development board to use the control word stored in FLASH program memory of the micro controller This is identical to the Default settings Use EFP o Instruct th
3. button See the results It s possible to store the results the file will be named extn_xxx txt where xxx a number 000 999 Note that new results are placed below the old ones in the window timestamp is attached 3 13 gt Calculate A N M Find 1 n frequencies using two sets of dividers The Calculate frequency dividers A N M Use two sets of dividers window pops up 1 or a number of frequency sets max 64 can be calculated Fill in wanted frequencies etc and press the Calculate Dividers button See the results It s possible to store the results the file will be named intn_xxx txt where xxx a number 000 999 Note that new results are placed below the old ones in the window A timestamp is attached Micrel Norway AS 17 RF TestBench User Guide SW v07 3 14 PLoop Filter This is help for determining component values of the external loop filter 3 15 FLoop Filter Find 2nd Order Enter values and calculate 3 16 FLoop Filter DFind 3rd Order Enter values and calculate Note the achieved results with the given components 3 17 FDeviation This is help for getting an idea of what the deviation and filter settings should be 3 18 2Deviation PDeviation Select Help Enter values and calculate These are the formulas used minimum_deviation beta bitrate 2 2 total xtal ppm rf frequency le 6 minimum filter cutoff minimum deviation 2 total xtal ppm rf
4. Output Power Level Push Buttons Calc o Press this button to update the output fields and the Overview and Complete Setup window if open Calculations are based on the input fields from the Quick Setup window See Details o Press this button to open the Complete Setup window and to see the values to enter into the RF chip Default o All input fields are reset to default settings default settings for the selected RF part Transfer o Transfer control word to the development board The user entered control word will be stored in the EEPROM of the micro controller Cancel o Close window Store o The control word is stored in a file using the following naming convention rftb_xxx txt where xxx a number ranging from 000 to 999 The first not excisting number is used and a message window pops up Import o A window pops up enter the name of the file to import rftb xxx txt If no file name is entered or the entered file cannot be opened a message window will pop up Micrel Norway AS 10 RF TestBench User Guide SW v07 3 7 RF TestBench 3Complete Setup The RF TestBench Complete Setup window pops up Note that this window can be opened from the Quick Setup window by pressing the See Details button MA RF TestBench Complete Setup MICRF505 MICRF600 MICRF610 38462bps 590 915 000000MHz 590 915 000000MHz 15 000000MH 915 000000MHz Input fields e Xtal Frequen
5. frequency le6 bitrate 2 Note that the resulting beta will be higher than the input The entered beta is considers a minimum beta Micrel Norway AS 18 RF TestBench User Guide SW v07 4 Changes in this sw version NOTE The list below is simply a randomly ordered list of changes updates from version 06 2005 06 22 PKB Added MICRF610 and MICRF620 Running LOADBWCC EXE from main file no bat file used Test if M values are 0 then do not divide by M previous versions if no frequency hit then a divide by zero error could occur If Wanted RF Frequency is outside RF part specifications then make a warning but use the wanted frequency do not give an error stop execution If internal modulation and calc ing wanted parameters from the complete setup or initial values Use the middle comparison frequency not the rx comparison frequency Included BER 1010 test Included 3 order loop filter Include SC_by bit ScCIk X2 bit not used set to 1 ScClk changed accordingly MICRF600 Default XCOtune 13 General input both small and capital letters are accepted no change from v 6 BT gt I is used in calculations of deviation if no hit for BT 1 The resulting BT is shown in Complete setup if open closed VCO mod is selected When calc ing MOD I MOD I 0 is not included MOD I 0 will give deviation 0 kHz In FEE dialog keeping the XCOtune value only if user presses the Keep button I
6. rate may differ from the wanted bit rate If a specific bit rate is wanted but not achieved Consider another xtal frequency e Achieved Deviation o If VCO modulation is selected one number is displayed here This is the achieved single sided deviation o If Internal modulation switching between two sets of A N M dividers is selected two numbers are displayed These are the achieved deviation for tx 0 and tx 1 resp e Achieved Comparison Frequency o If VCO modulation is selected one number is displayed here This is the achieved comp frequency o If Internal modulation switching between two sets of A N M dividers is selected three numbers are displayed These are the achieved comparison frequency for rx tx 0 and tx 1 resp e Achieved SC Cutoff o Achieved switchcap cut off frequency e Status o Messages related to the transfer of commands are displayed here After pressing Transfer Waiting will be displayed If no response from the development board Waiting will continue to be displayed If response from board is received Success or Error will be displayed If Error Please test communication cable power DIP switch setting and jumpers Micrel Norway AS 9 RF TestBench User Guide SW v07 Groups of radio buttons The groups of radio buttons are self explaining Within a group only one item can be selected Mode of Operation Prefilter Cutoff Modulation Type
7. MICRFXXX User Manual for RF TestBench SW V 0 7 Micrel Norway AS Strandveien 13 1366 LYSAKER Norway Tel 47 67 83 08 00 Fax 47 67 83 08 10 RF TestBench User Guide SW v07 Table of contents Ly Introduction uuusuussseksuns bin ea Re 2 2 TRE TB se ner Bene 4 3 Menicitems ard Hal Oe boxen ne AR 5 Bl PTR 5 3 2 gt Setup gt Select MICRF505 MICRF506 MICRF600 nennen 5 33 D Setup gt Communication pork uns anunti a an a a a a 6 DA PIR Pe SUS CHIC nee a A N AR NN 7 3 5 DRE TestBench gt Oyewiew sun 7 30 gt PRE TestBench D Quick Setups asmetan era ed 8 3 7 gt RF TestBench gt Complete Setup lan ea 11 3 8 RF TestBench gt Development Board Commands neene 13 3 9 gt RF TestBench 9 Bit Error Rate a ana era nn 14 3 10 gt RF TestBench gt Frequency Error Estimator rrrrrnrrnrornrrrnvrnvrrnrrrnnrrneenne 15 3 11 DCaleulat A N E sinne 17 3 12 gt Calculate A N M gt Find 1 n frequencies using modulator 17 3 13 gt Calculate A N M gt Find 1 n frequencies using two sets of dividers 17 3 14 DLO0P Hiller wasser Sorsele Gee aetead er eld 18 3 15 Loop Filter Find 2nd Order as 18 3 16 Loop Filter Rind 3rd Order an a ek 18 3 17 Die 18 3 18 SDeviation gt Deviation Select Help rrrrrnrennrrnvrrnrrrnrrrrrnrrrnvrnnernnrrnnrnneenne 18 4 Changes in this sw version uisaieieuuieliugKtineis kein nal 19 Micrel Norway AS 1 RF TestBench User Guide S
8. W v07 1 Introduction This document MICRFXXX User Manual for RF TestBench describes how to set up and use RF TestBench For details on the MICRF505 MICRF506 transceiver or the MICRF505 MICRF506 development system Please refer to the appropriate data sheet For the latest updates visit www micrel com RF TestBench v 07 can be used with the following development systems MICRF505 MICRF506 MICRF600 MICRF610 MICRF620 The RF TestBench should be self explaining Use this document as a reference it is not necessary to read it through before starting to use RF TestBench Note however that some features require a special FW version firmware micro controller program You can use the Get FW version command to get the present FW version of your board refer to text below If you do not have the latest or wanted version please go to www micrel com for a free download Also note Any calculated value in this program should be considered a suggestion When transferred to a specific application always test the RF performance Important New features are continuously added to RF TestBench If a feature requires a special FW version micro controller program That FW version is explicit mentioned Outline of this document Following this introduction a Setup chapter is given Then the different menu items and dialog boxes are described MICRFXXX is a short term for MICRF505 MICRF506 MICRF600 MICRF610 MICRF620 F
9. cy o Enter the frequency in MHz of the xtal connected to the RF part e Fields related to the control word o These are self explaining refer to MICRF50x data sheet e General Input field o It is possible to change all bits including fixed bits by entering the address and value directly Unused bits are not editable Example To set the value in register 0x0A equal to Ox1F Enter OA in the address field enter 1F in the value field Then press the Update button Micrel Norway AS 11 RF TestBench User Guide SW v07 Output Fields e Following some of the inputs an output field is included The effect or result of the selection is shown updated after Calc is pressed e Status o Messages related to the transfer of commands are displayed here After pressing Transfer Waiting will be displayed If no response from board Waiting will continue to be displayed If response from board is received Success or Error will be displayed If Error Please test communication cable power DIP switch setting and jumpers Push Buttons e Calc o Press this button to update the output fields and the Overview and the Quick Setup window if open Calculations are based on the input fields from the Complete Setup window note that both wanted and achieved fields in the Quick Setup window will be changed e Default o All input fields are reset to default settin
10. e development board to use the control word stored in EEPROM of the micro controller The user entered control word stored in EEPROM is used in RF test modes 2 way link test mode and simple byte transfer mode Get Source o Find out if the board will use the FLASH or the EEPROM memory i e the default and the user entered control words respectively Cancel o Close window Output fields FW version o Present firmware version micro controller program FW version 99 is used for test programs Control word read from EEPROM o Presently EEPROM stored control word Source is o FLASH or EEPROM will be displayed Status o Messages related to the transfer of commands are displayed here After pressing Transfer Waiting will be displayed If no response from board Waiting will continue to be displayed If response from board is received Success or Error will be displayed If Error Please test communication cable power DIP switch setting and jumpers 3 9 RF TestBench Bit Error Rate This feature requires FW v 4 or later The Bit Error Rate 1010 test window pops up This feature requires the use of a development board NOTE Not all development board firmware versions will support this feature Before starting please make sure Micrel Norway AS 14 RF TestBench User Guide SW v07 e Make sure the dev Board is in receive mode This can be done via the Quick Setup or
11. e program starts In this window the complete 22 byte long control word to enter into the RF chip will be displayed At start up the Overview window will be empty e Get familiar with the main menu and the menu items RI restbench v 0 7 Micrel Norway Setup RF TestBench Cakuate AM M Loop fiker Deviation Help About welcome t U x Welcome to RF Testtencht From the Setup menu item select RF part and COM port From the RF TestBench menu tem a select Quick Setup and or Complete Setup va Select Quick Setup if you want the program to calculate controiword hedda tor you Select Complete Setup to change fields manually If both windows are open changes in one window will bo tel ected in the olher when the Calc button is pressed este ED Overview window controlled The Overview window i2 opened when you start the program as well far testwench Overview e Pile Addroas hex 00 01 02 03 04 0 06 07 08 09 OA OB OC OD OE OF 10 11 12 13 14 18 ra RAN 0 9 10 1112 13 14 15 16 17 10 19 20 21 Note Changed From row indicates thal Ihe value changed after pressing a button and what the previous value was W Start we testuench v 0 7 FIT Nee Micrel Norway AS 4 RF TestBench User Guide SW v07 3 Menu items and dialog boxes In the following the menu items and dialog boxes will be described A menu item is always preceded with gt in the text below Fir
12. f Keep is not pressed then the value of XCOtune when the FEE dialog was entered is restored into complete setup This may be different from the value in the RF chip Press Transfer to update RF chip Micrel Norway AS 19
13. gs default settings for the selected RF part e Transfer o Transfer control word to the development board The user entered control word will be stored in the EEPROM of the micro controller e Cancel o Close window e Store o The control word is stored in a file using the following naming convention rftb_xxx txt where xxx a number ranging from 000 to 999 The first not existing number is used and a message window pops up e Import o A window pops up enter the name of the file to import rftb_xxx txt If no file name is entered or the entered file cannot be opened a message window will pop up e Update o Press this button to write a specific value to a specific register Note that all the fields in the specified register will be updated An example is given above in General Input field Micrel Norway AS 12 RF TestBench User Guide SW v07 3 8 RF TestBench Development Board Commands The Commands to Development Board window pops up Commands to Development Board lol x TX1010 Start to transmit a 1010 pattern The board will be set to transmit mode TX Rando Start to transmit a random manchester coded pattern The board will be set to transmit mode Get FW v Fw Version Read the Fw version 2 from the board Reset uC Restart uC program executes as after a power on Reset the controlword stored in EEPROM Reset EEP to the default controlword i e to the one stored in program memory
14. in the Quick and Complete dialogs Please refer to the MICRF50x manual for details on the FEE Before using this feature e Please read the MICRF50x user manual e Set the development board in rx on the wanted frequency and bit rate Use Quick Complete dialog press Transfer e Apply a tx signal use another development board or a signal generator Micrel Norway AS 15 RF TestBench User Guide SW v07 Micrel Norway AS 16 RF TestBench User Guide SW v07 3 11 FCalculate A N M This is an aid for determining frequency dividers You can use gt RF TestBench gt Quick Setup as well to find 1 frequency frequency set Note that the tolerances in the Quick Setup dialog are fixed while they are adjustable here This may give slightly different results Experiment with tolerances etc to get the frequency set you want Frequencies are calculated based on the following priorities 1 As close to the RF frequency as possible 2 As close to the comparison frequency as possible 3 Ifa RF frequency is not a 100 hit it must improve the best RF frequency found with gt IKHz or else the one with the highest comparison frequency is used 3 12 gt Calculate A N M gt Find 1 n frequencies using modulator The Calculate frequency dividers A N M Use modulator window pops up 1 or a number of frequencies max 64 can be calculated Fill in wanted frequencies etc and press the Calculate Dividers
15. inally the updates in this sw version are listed Purpose of the RF TestBench RF TestBench can be used with or without a development board Users of MICRF50x radio transceiver can use the RF TestBench to calculate fields in the control word to enter into the RF chip Typical examples are e Get the complete 22 byte long control word to enter into the RF chip e Get the M A N dividers for a specific frequency or a set of frequencies Micrel Norway AS 2 RF TestBench User Guide SW v07 e Get the Mod A Mod I Mod cIkS and RefCIk K values for a specific deviation e Get the resulting deviation bit rate etc for a specific set of parameters e Get external components values for a loop filter Main features Quick Setup Enter parameters like xtal frequency wanted bit rate RF frequency Or select the default settings Then see what the fields in the control word should be Transfer control word to development board where it is stored in EEPROM Complete Setup Enter fields in the control word or select the default settings Then see the resulting bit rate deviation etc Transfer control word to development board where it is stored in EEPROM Commands to development board The set of commands to the board includes start to transmit 1010 get firmware version restart micro controller reset EEPROM and read EEPROM Bit Error Rate BER Apply a 1010 pattern from an external
16. k If a RF chip is selected the selected part will be displayed Micrel Norway AS RF TestBench User Guide SW v07 3 3 gt Setup Communication port The Select COM port dialog box window appears Push Buttons e Select COM 1 o Press this button if you want to use serial port COM 1 If not possible to open some other program may be using it you will get a message If the port is successfully opened the window is automatically closed e Select COM2 o Press this button if you want to use serial port COM 2 If not possible to open some other program may be using it you will get a message If the port is successfully opened the window is automatically closed e Close COM port o Press this button if you want to close the presently selected serial port but still run the program This is useful if you need to use the COM port in another program Example This can be useful if you are switching between the HyperTerminal program and RF TestBench The window is automatically closed e Return o Press this button to close the window without opening or closing a port Micrel Norway AS 6 RF TestBench User Guide SW v07 3 4 RF TestBench This is where you can construct change a control word for MICRFXXX And you can give commands to the development board here Suggestion Use the Quick Setup window if you need help to calculate the control word to enter into the RF part Then from the Complete Setup wind
17. ow you can fine tune the parameters Note If you have both the Quick and Complete windows open Changes in one of the windows will be reflected in the other Example If both windows are open and you change the A N or M dividers in the Complete Setup then the Wanted parameters in Quick Setup will be changed as well 3 5 RF TestBench Overview The RF TestBench Overview window pops up this window was opened when you started RF TestBench Output fields e Address hex o The address of a byte in the MICRF50x control word The Address range is from 0x00 to 0x15 a total of 22 bytes all the editable locations in the RF chip e Address dec o The address of a byte in the MICRF50x control word The Address range is from 0 to 21 a total of 22 bytes all the editable locations in the RF chip e Value hex o The value of the byte with address 0 address 1 etc is shown as a hex number e Changed from hex o If after calculations in Quick Complete the content is changed the previous value will be shown here Micrel Norway AS 7 RF TestBench User Guide SW v07 3 6 RF TestBench Quick Setup The RF TestBench Quick Setup window pops up Ml RF TestBench Quick Setup MICRF505 MICRF600 MICRF610 elie Input fields e Wanted RF Frequency o Enter the RF center frequency in MHz This will be the frequency used in receive mode e Wanted Bit rate o Enter the
18. source and read out the number of bits read the number of bits in error and the resulting bit error rate a 1010 bit pattern not a random bit pattern is applied However this test still gives an indication of the bit error level This feature requires FW v4 or later Frequency Error Estimator FEE Read out the FEE for different XCO tune values or find the best XCO tune value automatically this feature requires FW v2 or later Calculate the A N M frequency dividers Find 1 64 frequencies or set of frequencies Loop filter Find values of external components for the loop filter Deviation help Get suggestions for minimum deviation and filter settings based on RF frequency xtal tolerance etc Micrel Norway AS 3 RF TestBench User Guide SW v07 2 Install RF TestBench The installation of RF TestBench is straightforward e Copy the included files into a separate directory If any file has an eee extension then please rename the file to have an exe extension In previous versions of RF TestBench a bat file was included This has been removed in version 07 e To start the program Double click the PCxx exe file xx software version number e When the program starts a welcome message is displayed Please read it You can select to close the welcome message by pressing the OK button or you can select to keep the window open e In addition a window called Overview is opened when th
19. st a menu item from the main menu is described Then the sub items of that main menu item are described and so on 3 1 2 Setup This is where the MICRF505 or MICRF506 chip or the MICRF6XX RF module is selected In addition this is where the communication port is selected relevant only if you are using a development board 3 2 D Setup gt Select MICRF505 MICRF506 MICRF600 The Select Chip dialog box window appears This is where you select the type of development system note you can use this program as a stand alone program without connecting the PC to a development board Push Buttons e MICRF505 o Press this button to select the MICRF505 Then the window is automatically closed e MICRF506 this feature requires FW v2 or later o Press this button to select the MICRF506 Then the window is automatically closed e MICRF600 this feature requires FW v3 or later o Press this button to select the MICRF600 Then the window is automatically closed e MICRF610 this feature requires FW v4 or later o Press this button to select the MICRF610 Then the window is automatically closed e MICRF620 this feature requires FW v4 or later o Press this button to select the MICRF620 Then the window is automatically closed e OK o Press this button to exit the window If you open the window the previously selected if any RF chip is displayed Output fields e Present Selection o Ifno RF chip is selected this field is blan
20. wanted on the air bit rate This is also referred to as number of signal elements second e Xtal Frequency o Enter the frequency in MHz of the xtal connected to the RF part e Wanted Deviation o Enter the single sided deviation in kHz The frequency for transmitting a 0 will be the Wanted RF Frequency Wanted Deviation and the frequency for 1 will be Wanted RF Frequency Wanted Deviation e Wanted Comparison Frequency o Enter the wanted comparison frequency in kHz here e Wanted SC Cutoff o Enter the wanted cut off frequency for the switch cap filter here Micrel Norway AS 8 RF TestBench User Guide SW v07 Tolerance When calculating the control word it may be that the Wanted values are not completely found The tolerances used in the calculations are e Wanted RF Frequency 200kHz e Wanted Bit rate No tolerance the nearest value is used e Wanted Deviation 10 e Wanted Comparison Frequency 25 e Wanted SC Cutoff No tolerance is used the lowest value gt the wanted value is used or the maximum achievable value Hint 1 Use the Complete Setup window to fine tune the parameters Hint 2 If you can accept a higher tolerance than the program uses try to change the Wanted parameters and calculate again Output Fields e Achieved RF Frequency o This will be the achieved frequency used in receive mode e Achieved Bit rate o Note that achieved bit
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