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Evaluation Kit for CMX608/618/638 

 

EV6180/6380 

 

 

 2016 CML Microsystems Plc 

17 

UM6180/5 

7. 

Performance Specification 

 

7.1. 

Electrical Performance 

 

7.1.1.  Absolute Maximum Ratings 

Exceeding these maximum ratings can result in damage to the Evaluation Kit. 
 

 

Min. 

Max. 

Units 

  Supply (V

IN

 - V

SS

 -0.3 

16.0 

  Voltage on any connector pin to V

SS

 

 -0.3 

V

DD 

+ 0.3 

  Current into or out of OUTP, OUTN, V

IN

 and V

SS 

pins 

  0 

+1.5 

  Current into or out of any other connector pin 

 -20 

+20 

mA 

 
 
 

7.1.2.  Operating Limits 

Correct operation of the Evaluation Kit outside these limits is not implied. 
 

 

Notes 

Min. 

Max. 

Units 

  Supply (V

IN

 - V

SS

 

4.0 

16.0 

  Xtal/External Clock Frequency 

9.6 

24.0 

MHz 

 
 

Notes: 

1. 

Allowable maximum crystal frequency is 12MHz. Frequencies above 12MHz should be 
generated by an external clock source. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for EV6180

Page 1: ...on Kits EV6180 for CMX608 and CMX618 EV6380 for CMX638 The EV6180 and EV6380 Evaluation Kits each provide the means to demonstrate and evaluate the operation of CMX6x8 RALCWI Vocoder ICs The boards ar...

Page 2: ...6 2 2 2 Contents Unpacking 6 2 3 Approvals 6 3 Quick Start 7 3 1 Setting Up the EV6180 6380 with the PE0003 7 3 2 Adjustments 7 3 3 Operation 7 4 Signal Lists 8 5 Circuit Schematics and Board Layouts...

Page 3: ...er tab settings 10 Table 4 Configuration Options for Voice CODEC I O 13 Figure Page Figure 1 Evaluation Layout Diagram 4 Figure 2 PCB Layout top 11 Figure 3 PCB Layout bottom 11 Figure 4 Import Raw Da...

Page 4: ...MX608 618 638 EV6180 6380 2016 CML Microsystems Plc 4 UM6180 5 PE0003 EV6180 EV6380 PC USB J3 J2 Power Supply J J9 J3 Soundcard output J8 J10 Loudspeaker output EvKit Interface Card J11 Figure 1 Evalu...

Page 5: ...p www cmlmicro com The PE0003 is not supplied with this kit but can be ordered separately 2 1 3 External CODEC An external voice CODEC is required for demonstrating the CMX608 functionality This conne...

Page 6: ...stereo 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 2 2 1 Sta...

Page 7: ...upply to J2 on the EV6180 6380 and J11 on the PE0003 The supply voltage should be set at 5V Attach the USB cable between connector J9 on the PE0003 and the relevant USB port on the host PC Apply volta...

Page 8: ...tal ground 16 SOFT_RESET I P Reset control line for CMX6x8 19 20 3V3D PWR 3 3V digital supply voltage J4 1 N C 2 3V3D PWR 3 3V digital supply voltage 3 STRB I P SSP port serial strobe input 4 SDI I P...

Page 9: ...dio input Ring SOCKETN I P Negative external audio input J10 Sleeve GNDA PWR Analogue ground Tip OUTP O P Positive external audio output Ring OUTN O P Negative external audio output J11 1 3 3V3D PWR 3...

Page 10: ...JP7 1 2 Short Current measurement connection for 3 3V analogue rail J7 1 2 3 4 5 6 Short Open Open SYNC control pulled high to 3 3V J9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Short Short Open Open Open...

Page 11: ...Circuit Schematics and Board Layouts For clarity circuit schematics are available as separate high resolution files These can be obtained via the CML website The layout on each side of the PCB is sho...

Page 12: ...ndication LEDs D4 and D5 can be optionally connected to or disconnected from pins 19 and 20 respectively of the CMX6x8 device The jumper tab settings on connector J12 determine whether the LEDs are in...

Page 13: ...le via connector J5 Alternative access to the voice CODEC I O is through connectors J8 and J10 which are stereo 3 5mm jack sockets Signals applied to the board via these sockets can be routed into and...

Page 14: ...r length to 8 bits register 1 2E 1 Set Service Acknowledgement reg length to 8 bits register 1 10 1 Set Decoder Frame register length to 8 bits register 1 30 1 Set Encoder Frame register length to 8 b...

Page 15: ...d from http audacity sourceforge net A short guide to using Audacity with the demonstration is described below Before running through the demonstration it is assumed that the following has been carrie...

Page 16: ...ript has been extracted and select it Once the script has been loaded press the Run button to run the script 6 Using the opened Audacity editor window begin playback of the imported audio track by pre...

Page 17: ...V Voltage on any connector pin to VSS 0 3 VDD 0 3 V Current into or out of OUTP OUTN VIN and VSS pins 0 1 5 A Current into or out of any other connector pin 20 20 mA 7 1 2 Operating Limits Correct op...

Page 18: ...nce OUT P or OUT N 3 32 Output Voltage Range OUT P or OUT N 2 10 to 90 VDDPA Differential Output Voltage 2 160 VDDPA Differential Output Power 2 120 mW Xtal Clock Input for an external clock High puls...

Page 19: ...ts Operation of these kits and boards outside a laboratory environment is not permitted within the European Community All software firmware is supplied as is and is without warranty It forms part of t...

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