EV9800
Contents
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3. Command Frame Sync TP11 CMX980A Command Read Data TP12 CMX980A Command Read Frame Sync TP13 16 0 Volts DAC4 1 TP17 20 ADC4 1 TP21 HI Interrupt request line from CMX980A TP22 LO CMX980A Receive Data TP23 LO CMX980A Receive Frame Sync TP25 5 Volts Analog Vp TP26 5 Volts Digital V TP27 5 Volts DSP power rail V 1999 Consumer Microcircuits Limited 7 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 JUMPERS LINKS Link Default Dascripilan Ref Position 1 4 Links Tx outputs to single ended convertors JP5 7 9 Links Rx single ended inputs to CMX980A differential inputs JP6 Links SCLK to second serial port of DSKplus JP10 11 Disable analog IC on DSKplus JP12 Replace with current meter to monitor CMX980A analog current JP13 Replace with current meter to monitor CMX980A digital current JP14 Connects power Vsk to DSKplus footprint LK1 Links analog and digital ground planes LK2 Links 15V rail for digital and analog supplies Notes O P Output Bl Bidirectional SC short circuit OC opencircuit 1999 Consumer Microcircuits Limited 8 UM9800 3 EV9800 SVIBAV I3S3uN zegsaN vien asn
4. Invoked from the menu bar once main panel is open 59800 Windows Application Receive 1 Ee Tech support Window Help EV9800 18 x Receive path settings channel Vernter 0 ffset g Default Read Enable Anti alias filters Q channel 8 Error mask Gain Phase and Offset Phase and Offset ADC Q channel ADC I channel Decimation filter 63 tap low pass and Q filter 63 tap RRC I and Q filter Q channel channel Apply Receive Path Functions Data format Destination Start C Segment File Recovered C Show Arithmetic errors i Both num Average FFBE c mt E symbols Ready e Receive Path Indication and adjustment of Gain and Offset values The Rx anti alias filters can be selected There is also an indication of the and Q vernier settings Error Mask Tick the box to un mask the Rx path error status bits The total number of errors for un masked conditions is displayed in the Arithmetic errors box when a Rx sequence is completed The Rx function will be aborted if the error count reaches 255 Data Format An 8 bit segment value dividing the unit circle into 256 equal segments is output for each sample period The recovered symbol data is output Only valid if high data rate has been selected from the main panel
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6. these changes are purely changes of name and do not change any underlying legal entities and hence will have no effect on any agreements or contacts currently in force CML Microcircuits Product Prefix Codes Until the latter part of 1996 the differentiator between products manufactured and sold from MXCOM Inc and Consumer Microcircuits Limited were denoted by the prefixes MX and FX respectively These products use the same silicon etc and today still carry the same prefixes In the latter part of 1996 both companies adopted the common prefix CMX This notification is relevant product information to which it is attached Company contact information is as below CML Microcircuits UK Ltd COMMUNICATION SEMICONDUCTORS Oval Park Langford Maldon Essex CM9 6WG England 44 0 1621 875500 Fax 444 0 1621 875600 uk sales cmlmicro com www cmlmicro com D CML D 1 February 2002 CML Microcircuits eu USA Inc COMMUNICATION SEMICONDUCTORS 4800 Bethania Station Road Winston Salem NC 27105 USA Tel 1 336 744 5050 0800 638 5577 Fax 41 336 744 5054 us sales Qcmlmicro com www cmlmicro com CML Microcircuits e Singapore Pte Ltd COMMUNICATION SEMICONDUCTORS No 2 Kallang Pudding Road 09 05 06 Mactech Industrial Building Singapore 349307 Tel 65 7450426 Fax 65 7452917 sg sales Qcmlmicro com www cmlmicro com
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8. Consumer EV9800 Microcircuits Limited Evaluation Kit COMMUNICATION SEMICONDUCTORS User Manual UM9800 3 July 1999 Advance Information 1 0 Features e Analogue PCB with Low Noise Floor e Software Supplied for TI DSP e Controllable from Windows Environment e Footprint for TI DSP Dual Power Supply Operation e Access to all Control Signals 1 1 Brief Description This kit comprises a PCB containing the CMX980A TETRA baseband processor and analog interface circuitry plus regulator circuits for analog and digital V There is also a footprint regulated power supply and level shifting provided for a Texas Instruments DSP starter kit The software supplied requires the use of a TI DSP For those not wishing to use the TI DSP kit a connector provides access to the CMX980A control signals NOTE The user must supply the TI DSP 1999 Consumer Microcircuits Limited Evaluation Kit User Manual for CMX980A EV9800 CONTENTS Section Page 14 0 Features S oiod onere essa erri hee 1 1 1 Brief Description rate 1 1 2 Preliminary 4 1 2 1 Laboratory ee 4 1 2 2 Handling Precautions 4 1 2 3 een ec e E c e ep es 4 1 3 Quick Stan pe 5 1 3 Setting Up 2 u ada da astris 5 1 3 2 Software
9. IQ dump One block of 2048 16 bit values from the CMX980A rx data pin is output Data is transferred from the DSKplus in 2048 sample or symbol blocks 1999 Consumer Microcircuits Limited UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 Destination At present receive data may only be output to a file For file formats see additional information section Averages Displays average and Q values when a receive sequence is completed Hints For Rx to work values must be written to the gain registers If one EV9800 which is transmitting is connected to a second EV9800 which is receiving using the single ended connections for and Q the transmit ouput must be attenuated by at least 6dB to avoid over driving the receiver For data recovery at low signal levels it is necessary to null out any system or device offsets This can be achieved using the average and Q values for no signal then adjusting the offset register values accordingly It should be noted that for the CMX980A there is a total gain of 1 55 through the 63 tap low pass and 63 tap RRC filters therefore any offset adjustment will need to be divided by 1 55 Also any subsequent adjustment in the gain registers will require scaling of the offset values 1 6 4 5 Notes on recovered symbol data Note that the algorithm used is not a total solution It is designed to show that real data can be recovered from the Rx data stream but for a good sig
10. LF etc with one 16 bit signed or Q value in hex on each line until the last line line 2048 in this case with the last Q value and no carriage return 34E1 e Filter Coefficients 4 000063 CR LF gt O CR LF O CR LF FFE6 lt CR LF gt FFD9 CR LF etc with one 16 or 12 bit signed value in hex on each line until the last line line 63 in this case with the last coefficient and no carriage return 17D4 In all cases the 6 character value on the first line is the number of lines of data in decimal Troubleshooting This software will NOT run with Windows NT PC Requirements The ES9800 software has been verified on a limited group of machine and operating system combinations as follows 486DX2 66 Windows 95 P133 Windows 3 11 P200 Windows 95 Note Operation has not been verified under Windows 98 There are traps for possible DSKplus firmware download problems If the user wishes to try again when a problem is flagged a System Initialise function is available from the mainframe menu if the main panel is closed down If there are problems communicating with the DSKplus a selftest utility is available This can be accessed when the main panel and Tx or Rx panels are closed From the menu bar System HPI selftest Note The selftest function loads the DSKplus with different firmware Therefore to restart the evaluation software select System Initialise The option Sys
11. User Manual for CMX980A EV9800 1 6 4 3 Transmit Invoked from the menu bar once main panel is open 59800 Windows Application Transmit 1 n File Seceve Tech support Window Help l x Transmit path settings 1 channel Q channel Error mask Gain Phase and Offset Q channel Gain Phase and Offset channel Phase 0 8 79 tap 9 filter Offset 0 9 Default Read Apply Transmit path functions Data source Start Random length x 2048 9 Arithmetic errors symbols Ready Transmit Path Indication and adjustment of Gain Phase and Offset values Error Mask Tick the box to un mask Tx path error status bits The total number of errors for un masked conditions is displayed in the Arithmetic errors box when a Tx sequence is completed The Tx function will be aborted if the error count reaches 255 Data Source The random data is generated from a 15 bit sequence with XOR feedback from bits 14 and 15 Small sequences lt 2048 symbols can be transmitted from a text file For file format see the additional information section Data is transferred to the DSKplus in 2048 symbol blocks Hints For Tx to work values must be written to the gain registers 1999 Consumer Microcircuits Limited 18 UM9800 3 Evaluation Kit User Manual for CMX980A 1 6 4 4 Receive
12. external supply for the digital circuitry he or she should do the following e Remove wire links LK1 and LK2 e Use socket J2 unfitted to attach digital supply between 8 and 15 Volts d c e The supply rail can be de coupled by fitting capacitor C32 Circuitry is provided to convert to and from the differential and Q channel signals of the CMX980A from and to single ended signals This circuitry may be isolated by removing jumpers JP1 to JP5 JP7 JP8 and JP9 A 5 Volt power rail and footprint are provided for use with a TI DSKplus For those not fitting a DSKplus the serial interface ports for the CMX980A are brought out to a 20 pin header J1 The digital signals may be monitored using testpoints TP8 to TP12 TP21 TP22 and TP23 Level shifting is provided between the DSKplus or external J1 inputs and the CMX980A An on board oscillator circuit provides the 9 216MHz for MCLK of the CMX980A Adjustments and Controls The analog and digital operating voltages AVpp and DVpp are set to 3 3V These may be altered by changing the socketed components R22 and R23 for AVpp and R24 and R33 for DVpp To select 5 0Volts set R22 and R33 6200 R23 and R24 1000 The formula for calculating the values is as follows 240 Vy 1 25 125 Where 240 is the value of R13 or R28 in ohms and Vpp is the required supply voltage R22 R23 24 R33 Firmware Description The DSP firmware consists of two sections a kernel and applicatio
13. gt Path Setup Phase Shift Cmd Write Petal Pattern Ball of Wool Read Data Read Ramping Demonstration Port C Basic Receive Functions Path Setup Digital Loopback FIR Filter Coefficient Access Auxiliary Circuits SS Basic Transmit Functions Path Setup Sets Tx path gain to unity phase to zero CMX980A transmits continuous zeros the mt 4DQPSK unit circle when and outputs are observed on an oscilloscope in x y mode Note In order to run the next four items Path Setup must have previously been run Petal Pattern Transmits continuous 145 degree phase shift symbol a petal pattern when output is observed as an x y plot Phase Shift The gain on one channel is reduced by 10dB and the phase shift between each channel is slowly adjusted across the maximum range Ball of Wool Characteristic z ADQPSK ball of wool pattern Generated by routing on chip BIST pseudo random sequence output through the Tx data path Ramping Demonstration A pop up dialog allowing demonstration of Tx ramping 1999 Consumer Microcircuits Limited 14 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 Tx Ramp Demonstration Basic Receive Functions Path Setup Enables the Rx path with gain set to unity Digital Loopback Enables the Rx digital loopback test path 1999 Consu
14. ircuits Limited 5 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 1 4 Signal Lists CONNECTOR PINOUT Connector Connector Signal Signal 1 2 6 8 Digital ground 10 12 14 18 20 IRQ Interrupt request line from CMX980A DVDD digital V SCMDRDFS CMX980A Command Read Frame Sync SCMDFS CMX980A Command Frame Sync SCMDRDDATA CMX980A Command Read Data SCMDDATA CMX980A Command Data SCLK CMX980A Serial Clock VDSKP Fixed 5 Volt Rail RESET CMX980A Reset pin CMX980A Receive Frame Sync SRXDATA CMX980A Receive Data DGND Alternative power supply for DVIN digital circuits only 15V Positive supply GND Analog ground 15V Negative supply DAC1 4 Auxilliary DAC outputs IRXP channel Rx ve input IRXN channel Rx ve input QRxP channel Rx ve input QRXN Q channel Rx ve input QTXN Q channel Tx ve output QTxP channel Tx ve output ITXN channel Tx ve output ITXP channel Tx ve output 1999 Consumer Microcircuits Limited 6 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 CONNECTOR PINOUT J17 channel Tx single ended output J18 Q channel Tx single ended output J19 Q channel Rx single ended input J20 J23 Auxilliary ADC inputs J24 channel Rx single ended input TEST POINTS Test Point Default TP1 TP2 TP3 0 Volts Digital ground TP4 TP7 0 Volts ANALOG GROUND TP8 CMX980A Serial Clock TP9 CMX980A Command Data TP10 CMX980A
15. king days if the delivery is incomplete 1 2 3 Approvals There are no approvals for this product 1999 Consumer Microcircuits Limited 4 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 1 3 Quick Start This section provides instructions for users who wish to experiment immediately with the evaluation kit A fuller description of the kit and its use appears later in this document 1 3 1 Fitting the DSKplus There are a set of pads on the PCB which match those of the TI DSKplus The use of commonly available sockets and pin headers will raise the DSKplus board above the adjacent circuitry It is recommended that the user only fit pins to the pads which are actually used to ease fitting and removal of the DSKplus board see circuit schematic There is a power rail provided for the DSKplus therefore it is not necessary to use the PSU supplied by If however the PSU supplied by TI is to be used the user should remove jumper JP14 The DSKplus parallel connection should be used as described in the DSKplus user s guide TI document SPRU191 1 3 2 Software Copy the files ES9800xx EXE EF98Kxx obj and EF9800xx obj to a single directory 1 3 3 Operation Connect the 15 Volt supplies and turn on Run ES9800xx EXE This will reset the TI DSKplus before loading the application firmware Finally the CMX980A is reset by this firmware An optional RESET button allows the manual resetting of the CMX980A 1999 Consumer Microc
16. mer Microcircuits Limited 15 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 Other Controls FIR Filter Coefficient Access Use this pop up dialog to change FIR filter coefficients REMEMBER that if the coefficients are adjusted a subsequent reset will return them to the default values as will clearing bit O of either the TxSetup 0x03 or the RxSetup1 0x08 registers Filter coefficients may be read from or written to a text file For file format see the additional information section Filter co efficients x Filter Tx 63 tap RRC C Tx 79 tap RRC C Rx 63 tap RRC C Rx 63 tap LPF Write Complement OK Cancel dal Note that coefficient access will not work properly if the associated signal path is active Also clock stop bits should not be set 1999 Consumer Microcircuits Limited 16 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 Auxilliary Circuits Invokes the auxilliary circuit dialog Auxiliary Circuits a 1 Li Featuring Load Ramp Loads the SRAM DAC with a linear ramp between AV and AV Aux Loopback Every 50us a sample will be taken from auxiliary ADC1 inverted about 1 2 V and output to auxiliary DAC1 Auto Cycle Continuous ramping up and down between AV and AV Slow Conversion Enables half speed conversion 1999 Consumer Microcircuits Limited 17 UM9800 3 Evaluation Kit
17. n software This structure is based upon the source code supplied with the Texas Instruments DSP kit Operation is only possible via the supplied windows software ES9800xx EXE When ES9800 is started a kernel program is down loaded to the DSKplus Once this has been completed successfully the main windows panel is opened and an application program is downloaded to the DSKplus In general main panel functions are executed in the PC using only the kernel DSP functions allowing read and write access to the CMX980A The application demonstrations are initiated from the DSP kernel but are then executed mainly within the DSP application code The files ES9800xx exe EF98Kxx obj and EF9800xx obj must all be in the same directory on the user s PC 1999 Consumer Microcircuits Limited 12 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 1 6 4 Software Description 1 6 4 1 Initialisation Follow the instructions given on the PC screen For a successful initialisation this sequence of dialog boxes will be observed Initialise Link to TI DSK plus Ea Initialise Link to TI DSK plus ES9800 Windows Application E 1999 Consumer Microcircuits Limited 13 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 1 6 4 2 Main Panel 59800 Windows Application Es98001 X 2 Transmit Receive Techsuppot Window Help 81 x Control Basic Transmit Functions Write Data lt addr gt lt data
18. nal should give reasonable BER over a dynamic range of about 60dB on the Rev B printed circuit boards slightly less on the Rev A boards At present there is no adjustment of offsets or of and Q vernier settings The Average and Q can be used to manually adjust offsets in the and Q channels This becomes necessary when receive levels fall below approximately 25mVrms 1 6 5 Additional Information 1 6 5 1 Text File Formats e Tx symbol data 0 000027 lt CR LF gt 11 lt CR LF gt 10 lt CR LF gt 00 CR LF gt etc with one symbol in binary format on each line until the last line line 27 in this case with one binary symbol and no carriage return 01 e Rx segment information 2 024576 lt CR LF gt 52 lt CR LF gt 5A lt CR LF gt 89 lt CR LF gt etc with one segment value in hex on each line until the last line line 24576 in this case with one segment value and no carriage return 46 e Tx or Rx symbol data 1 001024 lt CR LF gt 6D lt CR LF gt AA lt CR LF gt C8 lt CR LF gt etc with four symbols as an 8 bit value in hex on each line until the last line line 1024 in this case with an 8 bit hex value and no carriage return 27 Rxland values 3 002048 CR LF FFE2 CR LF First value 02D3 CR LF First value 1999 Consumer Microcircuits Limited 20 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 1 6 6 1 6 6 1 1 6 6 2 1 6 6 3 FFAO CR
19. nd Vss pins 0 500 mA Storage Temperature 10 70 C Operating Temperature 10 35 C Operating Limits Correct operation of the Evaluation Kit outside these limits is not implied Notes Min Max Units Supply 15 VSS 14 5 15 5 V 15V VSS 14 5 15 5 V Operating Temperature 10 35 C Operating Characteristics For the following conditions unless otherwise specified 5 0V Tamb 25 C Notes Min Typ Max Units DC Parameters l5 1 2 65 100 mA I 20 25 mA Notes 1 Notincluding any current drawn from the board connector pins by external circuitry 2 Fitting a DSKplus and using the power rail provided on board will increase the current consumption by approximately 250mA Operating Characteristics Timing Diagrams For CMX980A timing information and operating characteristics refer to the relevant CML Data Sheet 1999 Consumer Microcircuits Limited 23 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 CML does not assume any responsibility for the use of any circuitry described No IPR or circuit patent licences are implied CML reserves the right at any time without notice to change the said circuitry and this evaluation kit specification Evaluation kits are supplied for the sole purpose of demonstrating the operation of CML products and are supplied without warranty They are intended for use in a laboratory environment only and are not for re sale end use or incorporation into other equipments Opera
20. tem Open Main Panel allows the main GUls to be viewed without the hardware being present Resetting the DSKplus If the ES9800 windows application is exited abnormally the DSKplus will not be left in the correct state for re starting In this situation it will be necessary to power down the DSKplus and power up again before attempting to restart the ES9800 windows software If the power down is not performed a DSKplus not found message will be displayed Window Activity and Screensavers If transmitting random data continuously from the PC it will probably be necessary to disable the windows screen saver The processor activity required to invoke the screen saver will prevent data 1999 Consumer Microcircuits Limited 21 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 from being down loaded to the DSP frequently enough to maintain continuous transmit In this case the transmit sequence will be terminated It is likely that the re sizing or moving of windows during continuous transmit will have the same effect 1999 Consumer Microcircuits Limited 22 UM9800 3 Evaluation Kit User Manual for CMX980A EV9800 1 7 Performance Specification 1 7 1 Electrical Performance Absolute Maximum Ratings Exceeding these maximum ratings can result in damage to the Evaluation Kit Min Max Units Supply 15V 0 3 22 0 15V 0 3 22 0 V Voltage on any connector pin to VSS 0 3 VDD 0 3 V Current into or out of 15V or 15V a
21. tion of evaluation kits outside a laboratory environment is not permitted within the European Community All software is supplied as is and is without warranty It forms part of the evaluation kit and is licensed for use only in this kit for the purpose of demonstrating the operation of CML products Whilst all reasonable efforts are made to ensure that software contained in this product is virus free CML accepts no responsibility whatsoever for any contamination which results from using this software and the onus for checking that the software is virus free is placed on the purchaser of this evaluation kit Consumer Oval Park LANGFORD Telephone 44 0 1621 875500 Microcircuits MALDON ESSEX Telefax 44 0 1621 875600 Limited e mail sales cmImicro co uk COMMUNICATION SEMICONDUCTORS CM9 6WG ENGLAND http www cmlmicro co uk cU CML Microcircuits COMMUNICATION SEMICONDUCTORS CML Product Data In the process of creating a more global image the three standard product semiconductor companies of CML Microsystems Plc Consumer Microcircuits Limited UK MX COM Inc USA and CML Microcircuits Singapore Pte Ltd have undergone name changes and whilst maintaining their separate new names CML Microcircuits UK Ltd CML Microcircuits USA Inc and CML Microcircuits Singapore Pte Ltd now operate under the single title CML Micro circuits These companies are all 10096 owned operating companies of the CML Microsystems Plc Group and
22. uec eode eed ag ete etiara 5 1 3 3 Operation Peg Ip oe free 5 1 4 Signal Lists eiae deo eecn eris eens ei 6 1 5 Circuit Schematics and Board Layouts eese 9 1 6 Detailed 12 1 6 1 Hardware Description 12 1 6 2 Adjustments and Controls 12 1 6 3 Firmware Description 12 1 6 4 Software Description ssssssssseeee 13 1 6 5 Additional 20 1 6 6 Troubleshooting sessseeeeeenneeen 21 1 7 Performance Specification essersi eene tnnt 23 1 7 1 Electrical Performance 23 Note Asthis product is still in development it is likely that a number of changes and additions will be made to this specification Items marked TBD or left blank will be included in later issues Information in this data sheet should not be relied upon for final product design 1999 Consumer Microcircuits Limited 2 UM9800 3 EV9800 Evaluation Kit User Manual for CMX980A gt gt gt lt exi c SS SS SS BSS WSS 7SSA ZS 1551 HSS isig QC LOGA 094 ZODA 199 060
23. waxny zovaxnv covaxnv vovaxnv igure 1 CMX980A Block Diagram F UM9800 3 1999 Consumer Microcircuits Limited Evaluation Kit User Manual for CMX980A EV9800 1 2 Preliminary Information 1 2 1 Laboratory Equipment The following laboratory equipment is needed to use this evaluation kit 1 2 1 1 Power Supplies 15V Regulated laboratory power supplies are required If the user wishes to use the supplied software and firmware 1 2 1 2 DSP development card specifically the Texas Instruments DSKplus target processor TMS320C542 TI part no TMDS32000L0 Documentation for this kit and the target processor is available on Tl s website 1 2 1 3 IBM compatible PC 486DX2 66MHz with 8 bit bi directional parallel port EPP or ECP printer ports must be set to standard mode running Windows 3 1x or Windows 95 1 2 2 Handling Precautions Like most evaluation kits this product is designed for use in office and laboratory environments The following practices will help ensure its proper operation 1 2 2 1 Static Protection This product uses low power CMOS circuits which can be damaged by electrostatic discharge Partially damaged circuits can function erroneously leading to misleading results Observe ESD precautions at all times when handling this product 1 2 2 2 Contents Unpacking Please ensure that you have received all of the items on the separate information sheet EK9800 and notify CML within 7 wor
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