Wolfson WM8510-EV1M User Handbook Manual Download Page 1

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WM8510-EV1M

Evaluation Board User Handbook

Rev 1.1

Summary of Contents for WM8510-EV1M

Page 1: ...WM8510 EV1M Evaluation Board User Handbook Rev 1 1...

Page 2: ...WIRE SERIAL CONTROL MODE 11 REGISTER MAP 13 WM8510 BLOCK DIAGRAM 14 WM8510 EV1S CONTROL SOFTWARE DESCRIPTION 15 SOFTWARE DOWNLOAD 15 SOFTWARE INSTALLATION 15 REGISTER WRITE CONTROL PANELS 16 SETUP TE...

Page 3: ...510 EV1M w Rev 1 1 April 2006 3 EXTERNAL DSP CONNECTION TO THE WM8510 EV1B 46 AUDIO INTERFACE CONNECTIONS 46 SOFTWARE INTERFACE 48 EVALUATION SUPPORT 50 IMPORTANT NOTICE 51 ADDRESS 51 REVISION HISTORY...

Page 4: ...at requirements This evaluation platform has been designed to allow the user ease of use and give optimum performance in device measurement GETTING STARTED EVALUATION BOARD CHECKLIST The following ite...

Page 5: ...se improper operation of some or all of the EVB components DIGITAL INPUT There are two methods to input the required digital signal clocks to the WM8510 audio interface An AES EBU UEC958 S PDIF EIAJ C...

Page 6: ...e PLL MCLK in addition to other internal signals for external application use J8 will access the GPIO output CONNECTOR REFERENCE CONNECTOR TYPE SIGNAL REFERENCE H5 pin 1 Header ADCDAT H5 pin 5 Header...

Page 7: ...onnections All WM8510 device pins are accessible for easy measurement via the 8 pin headers H3 and H6 running along each side of the device USB CONNECTIONS The 2 wire or 3 wire control signals can be...

Page 8: ...WM8510 EV1M w Rev 1 1 April 2006 8 INTERFACES Figure 1 Interfaces...

Page 9: ...12 GND 11 12 GND 13 14 MCLK 15 16 GND Table 8 Headers LINKS AND JUMPERS LINKS JUMPERS LINK STATUS DESCRIPTION LNK3 SHORT OPEN Slave LRC selected default setting Master LRC selected LNK4 SHORT OPEN Sla...

Page 10: ...upply selected USB DCVDD supply selected default setting SW12 1 2 2 3 External DBVDD supply selected USB DBVDD supply selected default setting SW13 1 2 2 3 External SPKVDD supply selected USB SPKVDD s...

Page 11: ...B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 SDIN SCLK CSB control register address control register data bits latch Figure 2 3 Wire Serial Control Interface 2 WIRE SERIAL CONTROL MODE The WM8510 suppor...

Page 12: ...the second byte of control data B7 to B0 i e the remaining 8 bits of register data and the WM8510 acknowledges again by pulling SDIN low ACK3 The transfer of data is complete when there is a low to h...

Page 13: ...h Filter 1 NFU NFEN NFA0 13 7 000 28 1C Notch Filter 2 NFU 0 NFA0 6 0 000 29 1D Notch Filter 3 NFU 0 NFA1 13 7 000 30 1E Notch Filter 4 NFU 0 NFA1 6 0 000 32 20 ALC control 1 ALCSEL 0 0 ALCMAX ALCMIN...

Page 14: ...WM8510 EV1M w Rev 1 1 April 2006 14 WM8510 BLOCK DIAGRAM Figure 4 WM8510 Block Diagram...

Page 15: ...om the homepage it is recommended to carry out a search for WM8510 and select the evaluation board more button Select download from the top right hand corner under the software label Once the licence...

Page 16: ...orrect operation on the WM8510 device Suitable device setup text files can be loaded or saved in the Text Box Pressing the Write Register button will cause the hexadecimal value shown in Write Registe...

Page 17: ...al default or Hexadecimal format Select the required format from the Data Format menu Figure 8 Register Index Format Selection The Help menu provides links to information about using and troubleshooti...

Page 18: ...o are not recorded Pressing the Clear Box control will empty the Text Box of the information presently listed The Output Gain panel allows gain updates to the WM8510 device analogue outputs and DAC Th...

Page 19: ...to create a text files with a specific sequence of register writes by selecting Save Text Box to File on the Text Box and File Handler window Pressing the Save Current Register Settings to File contro...

Page 20: ...ITCHES SWITCH POSITION DESCRIPTION H1 All Links ON CS8427 clocks input default setting H5 All Links ON CS8427 clocks output default setting SW3 2 3 MICN phono selected default setting SW4 2 3 MICP pho...

Page 21: ...2 SPKOUTP phono selected default setting LNK3 SHORT Slave LRC selected default setting LNK4 SHORT Slave BCLK selected default setting LNK7 SHORT DCVDD connected default setting LNK8 SHORT DBVDD conne...

Page 22: ...pplied to the WM8510 in both configurations MASTER MODE SETUP Figure 16 shows the setup required if using ADC Master Mode In this example an external clock source to J15 is used to supply the WM8510 M...

Page 23: ...setting SW11 2 3 USB DCVDD supply selected default setting SW12 2 3 USB DBVDD supply selected default setting SW13 2 3 USB SPKVDD supply selected default setting SW14 2 3 USB AVDD supply selected def...

Page 24: ...ing H5 All Links ON CS8427 clocks output default setting SW8 1 2 SPDIF PCM clocks input selected default setting SW11 2 3 External DCVDD supply selected default setting SW12 2 3 External DBVDD supply...

Page 25: ...Rev 1 1 April 2006 25 LINKS JUMPERS AND SWITCHES SWITCH POSITION DESCRIPTION LNK9 SHORT SPKVDD connected default setting LNK10 SHORT AVDD connected default setting Table 15 External Power Supplies Exa...

Page 26: ...ample an external 5V supply is connected to J36 to allow the extra current required SW13 must be set to the lower position to connect the external supply and the relevant x1 5 gain boost register sett...

Page 27: ...r output selected SW21 2 3 Right BTL speaker output selected LNK3 SHORT Slave BCLK selected default setting LNK4 SHORT Slave LRC selected default setting LNK5 SHORT Headphone detect selected LNK7 SHOR...

Page 28: ...WM8510 EV1M w Rev 1 1 April 2006 28 SCHEMATIC LAYOUT Figure 19 Functional Block Diagram Figure 20 S PDIF Interface...

Page 29: ...WM8510 EV1M w Rev 1 1 April 2006 29 Figure 21 USB Controller Figure 22 Control Interface Level Shift...

Page 30: ...WM8510 EV1M w Rev 1 1 April 2006 30 Figure 23 Audio Interface Level Shift Figure 24 Analogue Input...

Page 31: ...WM8510 EV1M w Rev 1 1 April 2006 31 Figure 25 Analogue Output...

Page 32: ...WM8510 EV1M w Rev 1 1 April 2006 32 Figure 26 WM8510...

Page 33: ...WM8510 EV1M w Rev 1 1 April 2006 33 Figure 27 USB Power Supply Figure 28 External Power Supplies...

Page 34: ...WM8510 EV1M w Rev 1 1 April 2006 34 PCB LAYOUT Figure 29 Silkscreen Top...

Page 35: ...WM8510 EV1M w Rev 1 1 April 2006 35 Figure 30 Top Layer...

Page 36: ...WM8510 EV1M w Rev 1 1 April 2006 36 Figure 31 Bottom Layer...

Page 37: ...0805 SMD Ceramic Capacitor 50V X7R C3 4 C6 C14 C16 C27 C31 C42 C48 9 4 7uF 0805 SMD Ceramic Capacitor 10V Y5V C22 C35 C55 57 C60 62 C86 9 Unpop 0805 SMD Ceramic Capacitor site C21 C24 C28 29 C46 C50...

Page 38: ...tor 1 0 063W R89 1 4K7 0603 SMD chip resistor 1 0 063W R63 64 2 Unpopulated 0603 resistor site R9 R14 R16 R60 4 0R 0805 SMD chip resistor 1 0 1W R19 R36 R39 3 100K 0805 SMD chip resistor 1 0 1W R49 1...

Page 39: ...Rev 1 1 April 2006 39 Crystal 6 000MHz HC49US Y1 1 Table 17 WM8510 EV1M Bill of Materials Note The audio transformer used on this board is manufactured by Scientific Conversion Inc http www scientific...

Page 40: ...0 Evaluation Board For example removable links may be connected to some of the control interface pins on the Wolfson Device to allow alternate functions such as GPIO etc It is also a good idea to chec...

Page 41: ...cable Is it securely inserted at both ends 2 If a USB hub is being used is it functional 3 If a self powered USB hub is being used is it powered on 4 Have the hub cable been tested with another USB de...

Page 42: ...e beside Human Interface Devices Expect to observe the following devices HID compliant consumer control device USB Human interface device 3 Expand the tree beside Sound Video and Game Controllers Expe...

Page 43: ...he section titled Re start PC 9 If no other USB devices have been connected to the PC or successfully used it is possible that the PC has a USB driver issue One known PC driver issue on Win XP can be...

Page 44: ...ser Handbook is not ON please press the reset button on the USB Evaluation System or power cycle it i e power off on 2 If reset or power cycle do not illuminate the Firmware OK LED please check the li...

Page 45: ...WM8510 EV1M w Rev 1 1 April 2006 45 READ ONLY ATTRIBUTES Check that the file you are trying to save to is not set as read only...

Page 46: ...evels of the WM8510 are Logic High min DBVDD 0 7 Logic Low max DBVDD 0 3 which should meet the input level requirements of most DSPs running at 3V supplies If the DSP is running with 5V supplies then...

Page 47: ...LRCLK signals should be taken direct from the WM8510 digital output as the output side of the level shift IC U3 from the WM8510 is pulled up to 5V which may overdrive and cause damage to the DSP input...

Page 48: ...in Figure 37 To select the correct control interface type mode pin 7 DUT_MODE of header H6 must also be connected If the DSP is running at a higher voltage e g 5V than the WM8510 then the signals from...

Page 49: ...1 April 2006 49 H1 DSP Software Control Audio Interface DSP Platform WM8510 EV1B H3 H6 H5 Figure 37 Full DSP Control with Equal Supplies for DSP and WM8510 Figure 38 Full DSP Control with Higher DSP...

Page 50: ...ion or require technical support please contact Wolfson Microelectronics Applications group through the following channels Email apps wolfsonmicro com Telephone Apps 44 0 131 272 7070 Fax 44 0 131 272...

Page 51: ...result in a significant injury to the user A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the lif...

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