EV6021 - CML Microcircuits
Contents
1. Figure 5 Control Section UM6021 4 Evaluation Kit for CMX602B n Hook CLI loads Area a J DZO 9MS J6 cz R67 FT 5 RP2 cz B R 3 LO USMY CK og 8 Bo IA P Ox 3 lEs li C prece Di Ct D 35 TP5088 Fo J2 RLYL 2000 Consumer Microcircuits Limited i 8 5 P i Figure 6 Evaluation Bo2. for CMX602B EV6021 1 6 1 14 Line Voltage Monitoring An indication of the level of line voltage is provided at the PIC uController port A bit O Pin 2 For a 48 volt line the level at this point is 3 0V d c This pin of the Controller can be re configured as an ADC input and with appropriate firmware be used to monitor the line voltage Note that this feature is not used by the current firmware revision 1 6 2 Software This section describes the operation of the EV6021 kit via the RS232 lead and the Windows software supplied The sequence of events for the demonstrations is covered in the Section 1 6 3 Firmware 1 6 2 1 Installation The ES6021 Windows Application Software consists of a single executable file named ES6021xx EXE where xx refers to the version number Copy this from its 3 5 floppy disk to the hard disk of the user s PC Windows NT and 95 For convenient and quick launching of the program create an ES6021 shortcut within the Start menu or Desktop Windows 3 11 For convenient and quick launching of the ES6021 software create a new program group and ES6021 icon 1 6 2 2 Start up When the application is run the initialise dialog box will pop up in front of the applications main window Link to EY6021 X Switch on EV kit At this point ensure the EV6021 is connected to an RS232 serial port of the PC via connector J6 and turn on the power to the board If cancel is selected the PC will not make a connectio
3. path has a gain of 12dB 2000 Consumer Microcircuits Limited 12 UM6021 4 Evaluation Kit for CMX602B EV6021 1 6 1 7 1 6 1 8 1 6 1 9 1 6 1 10 1 6 1 11 1 6 1 12 1 6 1 13 Operating Voltage The operating voltage Vpp is set to 3 3V This may be altered by changing components R68 and R69 which are socketed To select 5 0Volts set R68 620Q and R69 100Q The formula for calculating the values of R68 and R69 is as follows 240 Von 125 125 Where 240 is the value of R71 in ohms and Vpp is the required supply voltage R68 R69 Clock Oscillator The CMX602B may use either an external clock or its own xtal oscillator A 3 58MHz xtal is provided on board for the latter method Two jumpers JP2 and JP3 which are normally fitted select the xtal oscillator An external clock may be supplied to JP2 pin 2 once the jumpers have been removed The PIC16C74A may be provided with an external clock in the same way by removing jumpers JP5 and JP6 Note that PICs programmed by CML are only configured for use with the on board 4MHz crystal The DTMF generator uses its own 3 58MHz xtal because the xtal oscillator is only operational when the generator is active and the CMX602B has a zero power mode in which its xtal oscillator is disabled preventing it from supplying a clock to the DTMF generator Ring Line Reversal Detection Ring line reversal detection is provided by components C9 C8 R13 R14 R25 and R27 or R2
4. that you have received all of the items listed on the separate information sheet EK6021 and notify CML within 7 working days if the delivery is incomplete 1 2 3 Telephone Line Connection This Evaluation Kit is not approved for direct or indirect connection to any public telecommunication system Users are advised to observe local statutory requirements which may apply to this product 2000 Consumer Microcircuits Limited 4 UM6021 4 Evaluation Kit for CMX602B EV6021 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 linked to a PC appears later in this document 1 3 1 Setting Up THE EV6021 COMES PRE CONFIGURED FOR OPERATION AT 3 3 VOLTS An RJ11 US style phone jack is provided for caller ID simulator connection Power is connected via the two way socket J5 No board adjustments are required by the user Telco specific components may be added as required 1 3 2 Operation Ensure no connection to serial port connector J6 and switch on the power supply The message EF6021 Vx x will be visible on the LCD module plus an indication as to which function option is selected The three switches SW2 to SW4 give the options of BT or Bellcore Type 1 or Type 2 and Adjunct Box or Feature Phone EF6021Vx x Bell Type2 FP FSOO6O IRON ZP MODE DETLCAL MUTE BELL BT yype2
5. 4 EV6021 Evaluation Kit for CMX602B Additional Information 1 6 4 291N0S uoeeds aseo euoud 81n189J 9d L 40 19xo0s ye JayOOS 1espueu Jo eseo xoq 1oun pe 194908 euoud eujajxe BIA ndu L209 3 Od Ngl jeuondo HO ICL Pug JESN Figure 7 Near End Talk Off Tests With The EV6021 UM6021 4 21 2000 Consumer Microcircuits Limited Evaluation Kit for CMX602B EV6021 Optional IBM PC 5 3 O o D lt G tv LL e O LLI E i Os WE LL On Figure 8 Far End Talk Off Tests With The EV6021 2000 Consumer Microcircuits Limited 22 UM6021 4 EV6021 Evaluation Kit for CMX602B 9oJnoS uoeeds eseo euoud ainjea 9d L 40 189908 ye JayOOS jespueu 10 eseo xoq joun pe 1exoos euoud jeuJ93X9 BIA 1ndu Joye NWIS qi 49 120 LcO9AA Od INAI jeuondo UM0 ye PU J00N Figure 9 Talk Down Tests With The EV6021 UM6021 4 23 2000 Consumer Microcircuits Limited Evaluation Kit for CMX602B EV6021 1 6 4 1 In circuit re programming of PIC16C74A In order that the PIC16C74A Controller may be re programmed the existing program must be erased by placing the device in a uv eraser for approximately 15 minutes TO ENTER PROGRAMMING MODE a Remove power from board b Set switch SW6 to PROG c Re apply power to bo
6. 4 FP ADJ Figure 2 Function Selection A fuller description of these functions is given later in the document If a type 2 demonstration is selected switch SW1 should be set to RESISTIVE which selects a factory fitted 600Q line termination R21 but an alternative value can be substituted If a complex line termination is required positions C11 R16 and R19 can be used with switch SW1 set to COMPLEX An off hook dc load is provided by R8 The factory fitted value is 2k2Q but this may be removed or an alternative value substituted o 2000000000000000000 O0000000000000000000 O000000000000000000 Q000000000000000000 n O000000000000000000 00000 00000 00000 00000 00000 Figure 3 Termination Positions 2000 Consumer Microcircuits Limited 5 UM6021 4 Evaluation Kit for CMX602B EV6021 1 4 Signal Lists CONNECTOR PINOUT EVALUATION BOARD Not Used No connection needed Bidirectional phone line A TIP Bidirectional phone line B RING Not Used No connection needed Not Used No connection needed Bidirectional external phone socket B RING Bidirectional external phone socket A TIP Not Used No connection needed Input Microphone ve Output Speaker drive Output Speaker drive Input Microphone ve 1 Power Jack socket for mutable input tip pin2 Input from external speech source Power ve power from external power supply Power OV power from external power s
7. 45MHz uC 4 00MHz Vpp 3 3V to 5 0V Tamb 25 C Notes Min Typ Max Units DC Parameters Ipp evaluation board idle 1 50 0 mA AC Parameters Xtal Clock Input to Evaluation Device High pulse width 2 100 ns Low pulse width 2 100 ns OSC1 Input to PIC pC High pulse width 50 0 ns Low pulse width 50 0 ns Notes 1 Relays not energised 2 Timing for an external input to the CLOCK XTAL pin Operating Characteristics Timing Diagrams For CMX602B timing information refer to current CML CMX602B Data Sheet 2000 Consumer Microcircuits Limited 26 UM6021 4 Evaluation Kit for CMX602B EV6021 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 Operation 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 a
8. 7 in parallel with R29 plus D2 D5 and TR1 The response time is set by components R33 and C15 The evaluation board has been fitted with suitable components for UK applications See CMX602B data sheet for further details CMX602B Tone Alert FSK Receive Path This part of the CMX602B can be connected directly to the line via amplifier U2 A or to the Rx output of the 2 to 4 wire interface When TR2 is conducting the signal from the line is disabled Alternatively when TR3 is conducting the signal from the 2 to 4 wire interface is disabled Note that if the signal path chosen is via the 2 to 4 wire interface absolute levels at the CMX602B will depend upon the line impedance of the caller ID simulator in use and on the quality of the termination of that line This will have a bearing on tone alert decode and not decode levels Handset Connection A telephone handset can be connected via socket J3 The speaker drive is derived from the Rx output of the 2 to 4 wire interface and the microphone output is fed to the muteable speech path via amplifier U1 A and jumper JP1 IDD Measurement The evaluation device IDD may be measured by removing jumper JP4 and replacing it with a multimeter DTMF Answerback Code The DTMF answerback digit D for the type2 off hook cidcw demonstrations is generated by U5 National TP5088 and fed to the Tx input of the 2 to 4 wire interface 2000 Consumer Microcircuits Limited 13 UM6021 4 Evaluation Kit
9. Consumer EV6021 Microcircuits Evaluation Kit Limite U M COMMUNICATION SEMICOND ser Manua en J c O nay e x U UM6021 4 August 2000 1 0 Features Advance Information e For CMX602B Product Evaluation e User s Prototyping Area e Adjunct Box or Feature Phone e Socketed Space for Optional and Configuration Telco Specific Components e Single Power Supply Operation e Socketed PIC 16 Series pC e LCD Display or RS232 Link to PC with e On Board PIC Programming with Serial Software Interface and PC Software e On Board Regulator e 2 to 4 Wire Interface with Handset Socket e Socketed Components for Adjustment 1 1 Brief Description The EV6021 Evaluation Kit comprises a single board containing a CMX602B line interface components PIC uController and the option of using either the on board 4 line LCD module or interfacing to a PC via a serial communications port For the latter mode of operation Windows software is supplied When using the LCD module three switches are used to select the EV6021 mode of operation The board is powered from a single 8 14V dc power supply an on board regulator sets VDD LEDs indicate control interrupt and detect line status ZP MODE IRQN and DET and the CMX602B may be driven from an external clock or from its own crystal oscillator Important signals can be monitored by test points The CMX602B is socketed for easy replacement there is room for the user to fit a ZIF socket A user prototypi
10. a new selection has been made the start up messages will be displayed on the LCD until a new CLI 1 6 3 3 1 6 3 4 1 6 3 5 message has been received BT type 1 demonstration This demonstration covers the BT on hook service initiated by a line reversal followed by an alert tone see flowchart in CMX602B datasheet application notes section CLI message parameters are displayed on the LCD On the EV6021 board FET TR9 is switched on to provide wetting current for 15ms during the silent period between the alert tone and the FSK data A resistor can be fitted in the R7 position if a current wetting pulse is required FET TRIO is switched on during the FSK receive period If an ac termination is required components can be fitted in positions R4 R6 and C3 Bellcore type 1 demonstration This demonstration covers the Bellcore on hook service associated with ringing see flowchart in CMX602B datasheet application notes section Any ringing of duration lt 500ms is assumed to be a line reversal and is ignored CLI message parameters are displayed on the LCD Relay 1 is energised during the FSK receive period If an ac termination is required components can be fitted in positions R4 R6 and C3 BT and Bellcore type 2 demonstration This demonstration covers both the BT and Bellcore off hook caller ID services see flowchart in CMX602B datasheet application notes section If Feature Phone is selected the local speech path is ena
11. ace The transformer and op amp hybrid formed by U3 A and B are connected to the phone line by relay RLY2 When energised an adjacent LED is illuminated An off hook dc load for feature phone mode is provided by R8 factory set to 2k2Q Line impedance matching is required in order to place signals on the line acknowledgement tone of type 2 off hook cidcw sequences and to be able to send and receive speech and other signals feature phone demonstration Two impedance matching options are available resistive or complex which can be selected using switch SW1 For resistive matching R21 is factory set to 6000 For complex matching fit C11 310nF R16 3700 R19 6202 Suggested values for BT applications are given in brackets R8 and R21 are socketed for easy removal and replacement Alternatively matching components could be fitted across test points TP3 and TP4 Access to hybrid signals is provided as follows The hybrid receive output Rx remote voice is located on test point TP5 The hybrid transmit output Tx local voice is located on test point TP4 Local Speech Paths When emulating a feature phone a muteable local speech path is available A speech signal may be input at either testpoint TP6 or jack socket J4 Alternatively with jumper JP1 fitted the local voice can come from a telephone handset not provided connected to socket J3 When muted an LED marked L CAL MUTE is enabled Note that the local speech
12. am data array press Esc to return to DOS A new function from the above table can be selected whenever the ok prompt appears in the bottom window Notes a Assembler output files must be in the Intel hex format HEX in order to be usable by this programming software b The PIC uC supplied has a Configuration Word which is preset 3FB1H This selects the crystal oscillator disables the watch dog timer enables the power up timer and disables code protection The programming software currently defaults to 3FB1H Consult Arizona Microchip Technology for more information on the Configuration Word 2000 Consumer Microcircuits Limited 24 UM6021 4 Evaluation Kit for CMX602B EV6021 c The blank check command B only looks at the first location A programmed device will always have data in this location as it is the program start address d For each of the commands B P R and v the user will be prompted to manually reset the target uC by pressing the RESET switch SW5 on the EV6021 Evaluation Board This is because PIC programming always starts from location 0000 and the program counter can only be incremented e Pressing A will display the program data in the bottom window formatted in pages of 48 consecutive locations Use the lt PageUp gt and lt PageDown gt keys to scroll through the data Pressing Esc will return the user to the gt ok prompt TO LEAVE PROGRAMMING MODE a Remove power from board including th
13. ard d Connect the programming voltage Vpp 12 5V to 13 5V power supply between test point TP16 ve and Vss ve e Ensure the PIC uC programming utility PICPROGA EXE is loaded into the PC under DOS and the PC is connected to the evaluation kit f Reset the EV6021 board by momentarily pressing switch SW5 USING THE SOFTWARE PICPROGA This is supplied on disk as a self documented executable file PICPROGA EXE for a PC running DOS either directly or as a DOS window in Windows 3 11 or 95 It is not recommended for use on Windows NT systems Please note that this programming software does not meet the Arizona Microchip Technology verification requirements for a production quality programmer Also it does not support the programming of ID locations and there is no checksum facility The user interface consists of two windows The top window contains the operating instructions and the bottom window shows the command line and data communications with the PIC uC When the top window first appears the user will be prompted to enter the number of the serial communications port to which the EV6021 board is connected Once the user has entered this number the following commands are displayed press F to load file press C to enter Configuration Word Currently xxxx press B to check target device is blank press P to program target device press V to verify target device press R to read target device press A to view contents of progr
14. ard Layout EV6021 Handset Interface Area 2T04Wre Interface Line Hybrid Area UM6021 4 Evaluation Kit for CMX602B EV6021 1 6 1 6 1 1 6 1 1 1 6 1 2 1 6 1 3 1 6 1 4 1 6 1 5 1 6 1 6 Detailed Description Hardware Description Evaluation Board Line Protection Line protection is provided by R1 47Q R2 47Q and D1 Philips BR211 series 140V These components are not fitted but suitable values for UK applications are suggested in brackets Wire links which bypass R1 and R2 will need to be removed if these resistors are fitted AC or DC Load An ac or dc load is provided by R4 8272 R6 1386Q and C3 139nF These components are not fitted but suitable values for UK applications are suggested in brackets This load is switched in by TRIO An LED is illuminated when this occurs Wetting Pulse A wetting pulse load is provided by R7 which is not fitted For UK applications a suitable value may be in the region of 240Q to 3509 The wetting pulse is switched in by TR9 An LED is illuminated when this occurs External Phone A second RJ11 socket J2 is provided for an external telephone when the EV6021 is set to demonstrate adjunct box functions When muted disabled an LED marked XPHONE MUTE is illuminated Note that this relay is normally closed so do not connect a telephone to the external phone socket J2 when running feature phone demonstrations Transformer and Op Amp Hybrid 2 to 4 wire interf
15. bled and muted when a CAS tone is detected when the CMX602B DET output is set in tone alert mode termed early mute Also signals from the line e g CAS tone will be taken from the Rx side of the 2 to 4 wire interface If Adjunct Box is selected the link to an external telephone socket J2 is muted when a valid CAS tone has been received when CMX602B IRQN pin goes low in tone alert mode termed late mute If the EV6021 is linked to a PC see section 1 6 2 the point at which muting occurs can be toggled between early and late 2000 Consumer Microcircuits Limited 19 UM6021 4 Evaluation Kit for CMX602B EV6021 Counters record the number of times muting has occurred M and the number of times a valid CAS tone has been detected C The counts are displayed on row 3 of the LCD DTMF digit D is transmitted on to the phone line as an acknowledgement tone If the EV6021 is linked to a PC other DTMF digits can be sent as an acknowledgement CLI message parameters are displayed on the top two rows of the LCD On the EV6021 board the line termination resistor R21 factory fitted 600Q should be fitted and the switch SW1 set to RESISTIVE If an off hook dc load is required for feature phone mode a resistor must be fitted in position R8 factory fitted 2k2Q If a complex termination is required positions C11 R16 and R19 can be used with switch SW1 set to COMPLEX 2000 Consumer Microcircuits Limited 20 UM6021
16. e programming voltage V b Set switch SW6 to OP c Power up board as described in previous sections for normal operation 1 6 4 2 DTMF Generator For anyone wishing to write their own code for the EV6021 the code table for the DTMF generator U5 is as follows DTMF GENERATOR DECODE TABLE pin 12 D3 pin 11 D2 pin 10 D1 oo LI I E a Po pz ce el EE 1 MEE S RENE EET 2000 Consumer Microcircuits Limited 25 UM6021 4 Evaluation Kit for CMX602B EV6021 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 ViN 3 Vss 0 3 40 0 V Supply Vpp Vss 0 3 7 0 V Voltage on any pin to Vss 0 3 Vpp 0 3 V Current into or out of Vin and Vss pins 0 1 5 A Current into or out of any other pin 20 20 mA Storage Temperature 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 VIN Vss 8 0 14 0 V Supply Vpp s Vss 3 0 5 5 V Operating Temperature 10 35 C External Clock Frequency for CMX602B 3 575965 3 583125 MHz External Clock Frequency for uC at 5 0V Vpp 0 1 20 0 MHz External Clock Frequency for uC at 3 0V Vpp 0 1 4 0 MHz Operating Characteristics For the following conditions unless otherwise specified Evaluation Device and DTMF Generator Xtal Frequency 3 5795
17. g box 2000 Consumer Microcircuits Limited 17 UM6021 4 Evaluation Kit for CMX602B EV6021 1 6 2 6 Type 2 off hook demonstration dialog box Type 2 caller ID This dialog box pops up when the BT Bellcore type 2 demonstration is selected The EV6021 is instructed to perform the off hook type 2 CIDCW demonstration The nature of the demonstration can be altered by selecting Feature Phone or Adjunct Box and Early or Late muting on the right hand side of the dialog box The valid CAS detects and local Mute counters are provided to assist with talk off and talk down testing see later sections CLI message data is shown and the remaining controls are as described for the type 1 dialog box 2000 Consumer Microcircuits Limited 18 UM6021 4 Evaluation Kit for CMX602B EV6021 1 6 3 1 6 3 1 1 6 3 2 Firmware This section describes the operation of the EV6021 kit using the LCD module and the demonstration selection switches SW2 to SW4 It also describes the sequence of events followed by the available demonstrations Start up As described in Quick start section The opening messages will be EF6021 Vx x where x x represents the version number followed by an indication of the current selection from switches SW2 to SW4 Demonstration Selection Use switches to alter the selection as indicated on the printed circuit silkscreen SW2 Adjunct Box or Feature Phone SW3 BT or Bellcore SW4 Type or Type2 When
18. h these signals take from the line to the CMX602B The EV6021 Demonstrations buttons will run the functions or demonstrations described in the following sections An indication will be made of the state of the RS232 communications link to the EV6021 board in the bottom right of the panel 2000 Consumer Microcircuits Limited 15 UM6021 4 Evaluation Kit for CMX602B EV6021 1 6 2 4 RxFSK dialog box Receive FSK data x ia The EV6021 board is instructed to operate the CMX602B in receive mode with data re timing selected Characters received by the CMX602B will be displayed in the main read only edit box The display is limited to 20 000 characters and will be cleared when this limit is exceeded The display can be cleared by the user by clicking the Clear button Click cancel to return to the main window 2000 Consumer Microcircuits Limited 16 UM6021 4 Evaluation Kit for CMX602B EV6021 1 6 2 5 Type 1 on hook demonstration dialog box Type 1 caller ID Ed BT demonstration FSK messages This dialog pops up when either the BT or Bellcore type 1 demonstrations are selected The precise selection is displayed in the top left of the panel in this case the BT demonstration is selected The EV6021 is instructed to perform the appropriate caller ID demonstration and the message data is sent back to the PC and appears in the main read only edit box The display and controls work as described for the RxFSK dialo
19. ications 1 7 1 Electrical Performance 2000 Consumer Microcircuits Limited 2 EV6021 UM6021 4 Evaluation Kit for CMX602B EV6021 Block Diagram Optional IBM PC c ot DO od nN O Gt o 3 6 amp IL Pa External phone option as To o3 GE OV KI Figure 1 Block Diagram 2000 Consumer Microcircuits Limited 3 UM6021 4 Evaluation Kit for CMX602B EV6021 1 2 Preliminary Information 1 2 1 Laboratory Equipment The following laboratory equipment is needed to use this evaluation kit 1 2 1 1 8 14V DC Power Supply 1 2 1 2 Caller ID Simulator 1 2 1 3 Speech Source If the user wishes to control the EV6021 from a PC and or re program the PIC on the board 1 2 1 4 An IBM compatible PC 20MHz 386 or better running Microsoft Windows 3 11 95 NT The re programming software supplied PICPROGA EXE runs most efficiently under DOS and cannot be used with Windows NT 1 2 2 Handling Precautions Like most evaluation kits this product is designed for use in 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 may be damaged by electrostatic discharge Partially damaged circuits may function erroneously leading to misleading results Observe ESD precautions at all times when handling this product 1 2 2 2 Contents Unpacking Please ensure
20. ll 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 cmimicro co uk IU 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 100 owned operating companies of the CML Microsystems Plc Group and 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 I
21. lock to PIC16C74A via pin 1 Disconnect when supplying external clock to PIC16C74A via JP5 pin 1 s c short circuit SWITCHES EVALUATION BOARD CET DERI en Ref Position 1 2 2 3 Resistive default or Complex line termination 1 2 2 3 Feature Phone default or Adjunct Box 1 2 2 3 Bellcore default or BT 1 2 2 3 Type 2 or Type 1 open closed PIC16C74A reset 1 2 6 5 2 3 4 5 3 4 Operating default or programming mode 2000 Consumer Microcircuits Limited 8 UM6021 4 Evaluation Kit for CMX602B EV6021 1 5 Circuit Schematics and Board Layouts DF D2 DMF Di DTNF DO MUTE C3 CH DL RI R2 R4 RG R7 R16 and R19 NOTES Not fitteck g 8 Bp m T 9 i i f d i ji 8 d s
22. n to the EV6021 board 2000 Consumer Microcircuits Limited 14 UM6021 4 Evaluation Kit for CMX602B EV6021 1 6 2 3 Main Window ES6021 Windows Application OI Xx Setup View TechSupport Help p CMX602B Modes EV6021 Controls C Tone Alert Detect T External Phone MUTE f On hook Detection C FSK Receive Bx FSK C BT Line Reversal C Zero Power with IRON Hook Bellcore Ringing T AC Load Wetting Current EV6021 Demonstrations f FSK CAS Signal Source T Local MUTE Line Adjunct Box BT Type 1 C 2 to 4 Wire Interface DIMF Feature Phone Bellcore Type 1 Dist p BT Bellcore Type 2 Connected to EV6021 AE Change the mode of operation of the CMX602B by checking the appropriate radio button in the CMX602B modes section In the controls section checking either of External Phone Mute or Hook will energise the appropriate relay on the EV6021 board Checking AC load or Wetting Current will apply the appropriate load to the line Checking Local MUTE will disable the speech path via handset socket J3 or jack socket J4 or testpoint TP6 Whenever DTMF is checked the current digit selected in the combo box labelled Digit will be generated by the EV6021 board U5 TP5088 The on hook detection options override the setting of switch SW3 and control the level at the CMX602B pin 3 The FSK CAS source options override the setting of switches SW2 and SW4 selecting the pat
23. nc 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 en UK Ltd COMMUNICATION SEMICONDUCTORS Oval Park Langford Maldon Essex CM9 6WG England Tel 44 0 1621 875500 Fax 44 01621 875600 uk sales cmimicro com www cmlmicro com D CML D 1 February 2002 CML Microcircuits IU USA Inc COMMUNICATION SEMICONDUCTORS 4800 Bethania Station Road VVinston Salem NC 27105 USA Tel 1 336 744 5050 0800 638 5577 Fax 1 336 744 5054 us sales cmimicro 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 cmimicro com www cmlmicro com
24. ng area is provided On board circuitry may be used to implement a wetting pulse and to place an ac or dc load on the line A hook relay connects the 2 to 4 wire interface op amp hybrid for voice communications to the line An external phone socket for adjunct box demonstration is provided the connection to which can be disabled with a relay A mutable local voice input and DTMF generator for CIDCW acknowledgement tone are provided Operation is indicated by LEDs The CMX602B supply current may be measured by removing a jumper Where components are telco specific line impedance line protection ac load wetting pulse etc space is provided for the user to add appropriate components 2000 Consumer Microcircuits Limited Evaluation Kit for CMX602B CONTENTS Section 1 0 Features 1 1 Brief Description 1 2 Preliminary Information 1 2 1 Laboratory Equipment 1 2 2 Handling Precautions eeeee 1 23 Telephone Line Connection 1 3 Quick Start sn rrrrrrenesssnnneeneeeneeessnnne 1 3 1 Setting Up ss 1 3 2 Operation ss 1 4 Signal Lists ates 1 5 Circuit Schematics and Board Layouts 1 6 Detailed Description 1 6 1 Hardware Description Evaluation Board 1 62 SO WATR 2 nds ssdte sons AA M36 3 dE A a i REU ner tnt 1 6 4 Additional Information 1 7 Performance Specif
25. r 1 8 3 4 BE i pi H H g 02 21 OLOUd t H kd i 1549491 14545491 maga 3 a of jt 8 Figure4 Analogue Section 2000 Consumer Microcircuits Limited 9 UM6021 4 Evaluation Kit for CMX602B EV6021 1 i 5 PIC16C74A i 42232 Ben as dd pong aa ss sss as s immi igi i 3 i Es i L rf A Lt I 8 8 43 J a y P pg 8 g se 3 Ho i EE i a l ik 9 A a s E E d doors a ia i il i51 3 x 85 1 4 dadag i te T 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 A 2000 Consumer Microcircuits Limited
26. upply Output PC connection linked to DTR Output PC data output Input PC data input Input PC connection Power OV common connection to PC Output PC connection linked to DTR Input PC RTS connection Output PC CTS connection ON Oo 01 D Not used No connection needed 2000 Consumer Microcircuits Limited 6 UM6021 4 Evaluation Kit for CMX602B EV6021 TEST POINTS EVALUATION BOARD Test Point Default Description Ref Measurement p VSS connection VSS connection Line signal after transformer Hybrid transmit output Local Voice Hybrid receive output Remote Voice Muteable local speech input CMX602B RD input pin 3 CMX602B RT signal pin 4 CMX602B AOP signal pin 5 CMX602B RXD output pin 15 CMX602B RXCK input pin 14 CMX602B DET output pin 13 CMX602B IRQN output pin 12 A pull up resistor R11 is included on board VSS connection VSS connection VPP programming voltage input for PIC16C74A VIN connection VDD connection 2000 Consumer Microcircuits Limited 7 UM6021 4 Evaluation Kit for CMX602B EV6021 JUMPERS EVALUATION BOARD Link Default Description Ref Position Peer Pe Connect handset socket to muteable speech path Disconnect to supply an external clock to CMX602B via pin 2 Disconnect when supplying external clock to CMX602B via JP2 pin 2 Disconnect to measure IDD of evaluation device Disconnect to supply an external c
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