1700 EV1 REV1 Customer User Manual
Contents
1. E 3 ma SS MANALO 43 mi PCM Out Right Mic Connector RIGHT S PDIF OPT IN SILKSCREEN External S PDIFF Out S PDIFF In Clock Optical Optical S PDIFF Out Electrical Figure 2 1700 EV1 REV1 Main Board ee microelectronics Customer Information 3 1700 EV1 REV1 Customer Information 000000000006 5505 0 Orientation 22 Marker CS80 M i Headphone Out Figure 3 6220 Mini Board with WM1811A CODEC WM1811A 6220 CS80 M REVx microelectronics Customer Information 4 Customer Information 1700 EV1 REV1 GETTING STARTED IVAVAW Loison Customer Information To get started the following steps need to be followed Follow the mini board orientation marker insert the CODEC mini board WM1811A 6220 CS80 M REVx onto the Main board 1700 EV1 REV1 Configure Jumpers See Jumper Settings section Insert connect the analogue or digital microphones to the main board These microphones could be Wolfson s mini microphone boards coupons which could be inserted into the on board microphone sockets The analogue microphones can also be connected via Line In phono sockets If mini microphone boards coupons used then the acoustic port hole of the microphone coupon should face the arrow ma2. Right Headphone Volume MUTE Digital Input AIF1_ADC Volume AMIC gt Bypass gt HPOUT 28 AMIC gt Bypass gt Line Out MICBIAS Wav Wolfson 2 2V microelectronics a passion for great audio Mics Use Cases Figure 7 Microphone Use Cases Page in the MEMS WISCE Panel It should be noted that on the panel the Analogue Input Volume for the analogue microphones refer to the input PGA volume IN1L and IN1R of the WM1811A CODEC The Digital Input AIF1 ADC Volume refers to the audio interface volume and it is only applicable for the Recording to S PDIFF path See Figure 6 It should also be noted that if you are powering up the microphones via external Micbias then MICBIAS value should be adjusted accordingly on panel It should also be noted that there is only one Line Out on the main board therefore only one channel of the CODEC can has its output via Lineout For the Lineout the register settings on the microphone use case WISCE panel are configured to output only the Right Channel of the CODEC So regardless of digital or analogue microphone if line out is required then attach the microphone to the right channel For optimum performance the analogue microphones are configured in the pseudo differential mode The analogue microphones can also be configured in the single ended mode but for simplicity the default jumper settings and WISCE panel
3. Wolfson 1700 EV1 REV1 microelectronics Customer User Manual DOC TYPE Customer User Manual BOARD REFERENCE 1700 EV1 REV1 BOARD TYPE Customer Main Board WOLFSON DEVICE S WM1811A DATE July 2014 DOC REVISION Rev 1 2 INTRODUCTION The 1700 EV1 REV1 customer evaluation board provides a complete hardware platform for the evaluation of all the WM7xxx microphone mini boards coupons The 1700 EV1 REV1 main board requires 6220 compatible CODEC mini board e g WM1811A 6220 CS80 M REVx board The device kit includes a WISCE panel and configurations files which are written for WM1811A WM1811 8994 and WM8958 can also be used with the 1700 EV1 REV1 board with their WISCE configuration files Configurations covered are listed below e Digital or Analogue microphone loopback via ADC and DAC with headphone output e Digital or Analogue microphone loopback via ADC and DAC with Line Out output e Digital or Analogue microphone recording via S PDIFF out Analogue microphone bypass to headphone output or Line Out output full analogue path Supports or stereo microphones digital or analogue but not together e Supports Differential and single ended PGA circuit configuration volume mute controls This document should be used as a starting point for evaluation of 1700 EV1 REV1 but it will not cover every possible configuration Note For the 6220 compatible CODEC mini board e g WM1811A 6220
4. A6B5 2 HS 23 25 WMIBIIA 6220 CS80 M REV2 e T E x M SPKL E um CAM 8 43 656 i i LED uy om RT mim C3 anle el mamac C20 3 R5mm y7 Om MINI BOARD 57 ORIENTATION Ct mim Ui SP2 R 9 h d TPR 27 RB e s ss NN mim Rym mim R12 f mo ce 76908 08 07 89 C7 87 BB AB eo 822 S RM R32 mim H T zm e A ma R36 e mim C52 SYS CLK En W gets plos 454 REED 58 C62 DUT DIG PWR Uis 25 459 IH mlm 46 26 ze e o SILKSCREEN TOP R29 R26 R21 R30 R27 S PDF OPT OUT S POIF OPT IN 1700 Figure 4 Default Jumper Settings The 1700 EV1 REV1 offers flexibility for different types of inputs and outputs to be connected used The following figure shows different jumper settings for possible board connections ae microelectronics Customer Information 6 Customer Information 1700 EV1 REV1 1700 EV1 Jumper Settings Connection Connector Type Location Jumper Settings Wolsorr a passion for great audio Figure 5 1700 EV1 REV1 Jumper Settings for Different Inputs and Outputs microelectronics Customer Information 7 1700 EV1 REV1 Customer Information CONFIGURATION The 1700 EV1 REV1 test system by default is po
5. CDET cO DETECT LINE DRIVERS MICBIAS1 I2S PCM MICBIAS2 WM1811A 5 82 j N 29 FI 5 5055 BSESE FESS as oo 982808 0298098 AADO amp zz Joro ogra 5852 44254 lt x lt 9 lt 9 5 z uU lt 5894 11 8 5456 o 9 OO lt Recording to S PDIFF Loopback Paths Figure 6 WM1811A Block Diagram ee microelectronics Customer Information 8 Customer Information 1700 EV1 REV1 Left Mic Input Mic Socket J11 Digital A nalogue Line In J5 amp J6 Analogue DMIC ADC DAC gt HPOUT SIPDIF OUT Optical U16 Phono J60 WM1811 MIC Use Cases DMIC SMBs J21 J37 J41 J47 Digital NOTE DMIC SMBs could be used for Digital Left Right Mic Analogue Input Volume MUTE DMIC gt ADC gt DAC gt Line Out Digital Input AIF1 ADC Volume LINE OUT Only for Right MIC Input od AMIC gt ADC gt DAC gt HPOUT LineOut 1P J8 LineOut 1N J7 AMIC gt ADC gt DAC gt Line Out Right Mic Input Headphone Out Mic Socket J12 Digital A nalogue 3 5mm Jack Socket on the mini board AMIC SMBs J28 amp J33 Analogue gt ADC S PDIF OUT Left Headphone Volume MUTE DMIC SMBs J21 J37 J41 J47 Digital NOTE The SMBs could be used for Digital Left Right j 428 Analogue Input Volume MUTE AMIC gt ADC gt S PDIF OUT
6. CS80 M REVx The x represents any revision preferably the latest revision Assumptions 1 The user is familiar with the WM7xxx boards see relevant documents below 2 user has installed the device kit for 1700 EV1 REV1 and has set up WISCE as per instructions and is controlling the WM181 1A Note The device kit requires WISCE pre installed in your PC You can download the latest version of WISCE from the following link www wolfsonmicro com wisce WISCESetup zip Related documents 1 WM1811A datasheet 2 WISCE Quick Start Guide pdf 3 WMY7xxx example configurations and schematic 4 1700 EV1 REV1 schematic and layout pdf documents 5 WM1811A 6220 CS80 M REVx schematic and layout pdf documents WOLFSON MICROELECTRONICS plc July 2014 Rev 1 2 Copyright 2014 Wolfson Microelectronics plc 1700 EV1 REV1 Customer Information TABLE OF CONTENTS INTRODUCTION e ee esl m Ree ie 1 E 3 GETTING STARTED e 5 JUMPER SETTINGS 6 e anni nina Gina 8 TECHNICAL SUPPORT riences eee 10 IMPORTANT NOTIGE Fre Fade 11 ADDRESS tdmen rat
7. caters only pseudo differential mode For differential and single ended mode please see the schematic diagram of 1700 EV1 REV1 and the datasheet of WM1811A On the 1700 EV1 REV1 board the LRSEL on the left microphone socket is tied to Micbias logic high while for the right microphone socket it is tied to GND logic low For the digital microphone SMBs connection the LRSEL can be tied high or low by adjusting the jumper settings on J38 see Figure 5 The 1700 EV1 REV1 along with WM1811A system is configured to provide the DMICCLK frequency of 3 072MHz In all the use cases of digital microphones on the WISCE panel the DMICCLK frequency of 3 072 has been used For further details of other possible DMICCLK frequencies please see the WM1811A datasheet MyB RR microelectronics Customer Information 9 1700 EV1 REV1 Customer Information TECHNICAL SUPPORT If you require more information or require technical support please contact the nearest Wolfson Microelectronics regional office http www wolfsonmicro com contact or one of our global distributors http Awww wolfsonmicro com distribution July 2014 Rev 1 2 IVAVAW Wolisor Customer Information 10 Customer Information 1700 EV1 REV1 IMPORTANT NOTICE Wolfson Microelectronics plc Wolfson products and services are sold subject to Wolfson s terms and conditions of sale delivery and payment supplied at the time of order acknowledgement Wolf
8. e ee enr e et cea e 11 Wolfson July 2014 Rev 1 2 Customer Information 2 Customer Information 1700 EV1 REV1 BLOCK DIAGRAM This test system focuses on evaluation of the 1700 EV1 REV1 with the WOLFSON CODEC WM1811A The block diagram of the 1700 EV1 REV1 main board with WM1811A 6220 CS80 M REVx as complete test system is shown in Figure 1 Regulators 3 3V 1 8V USB Input Bypass Path USB Controller Loop back n path Qs oO gu MIC Inputs 9 e Digital Digital MIC Interfaces ED Line Out Analogue WM1811A ee SPDIF OUT Transceiver Figure 1 1700 EV1 REV1 Block Diagram External Supply for Line In Line Out Board and Micbias gt Left Mic 2 Connector 5 8 9 5 J23 44 05005 28 Ee BAT amp 9 ee e us R12 zi 058 de i 6220 Mini er em stray PME Analogue Mic Board 9 5 mja ma C19 SMBs 134 25 Connectors 1 D D 2 1 2 2 5 C L p S 2 mt Digital Mic SMBs 1 2 2 3 CODEC wsTR S PDIF WSTR
9. rked on the main board Connect the main board to the PC Laptop using a USB cable The 1700 EV1 REV1 board is controlled via USB with Wolfson s in house software WISCE By default the board is powered by USB as well Check on the control bar to make sure USB control is connected to the board Open WISCE and load corresponding device if you have installed the device kit for the 1700 EV1 REV1 then you don t have to load the device just open WISCE and the device will be pre loaded Load device register settings by loading appropriate txt file If you have installed the device kit then you can just use the WISCE panel which has been created for WM1811A with various use cases for both analogue and digital microphones Just click on the required microphone use case and it will automatically load the appropriate register settings In order to access this panel go to WISCE gt Scenarios gt MEMS and select Mics Use Cases page The following sections of this document will explain into details about the board and how to set it up to fulfil your evaluation July 2014 Rev 1 2 1700 EV1 REV1 Customer Information JUMPER SETTINGS Figure 4 shows the default jumper settings for the 1700 EV1 REV1 main board with the WM1811A 6220 CS80 M REVx mini board attached to it as complete system BR 5 5V ul Heeg n RS R6 mim yg JM 5 wan ONBOARD MICBIAS C5 C6B6
10. son warrants performance of its products to the specifications in effect at the date of shipment Wolfson reserves the right to make changes to its products and specifications or to discontinue any product or service without notice Customers should therefore obtain the latest version of relevant information from Wolfson to verify that the information is current Testing and other quality control techniques are utilised to the extent Wolfson deems necessary to support its warranty Specific testing of all parameters of each device is not necessarily performed unless required by law or regulation In order to minimise risks associated with customer applications the customer must use adequate design and operating safeguards to minimise inherent or procedural hazards Wolfson is not liable for applications assistance or customer product design The customer is solely responsible for its selection and use of Wolfson products Wolfson is not liable for such selection or use nor for use of any circuitry other than circuitry entirely embodied in a Wolfson product Wolfson s products are not intended for use in life support systems appliances nuclear systems or systems where malfunction can reasonably be expected to result in personal injury death or severe property or environmental damage Any use of products by the customer for such purposes is at the customer s own risk Wolfson does not grant any licence express or implied under any patent right cop
11. wered up via USB but it can also be powered via external power supply of 5V or by 9V battery In this system the WM1811A is operating in master mode and by default the MCLK is provided by an on board oscillator of 12 288MHz This MCLK can also be provided externally via an SMB cable Similarly by default the analogue and digital microphones are powered up by Micbias1 from WM811A CODEC External Micbias or on board Micbias via on board regulators are the other possibilities For all these hardware configurations see the jumper settings in Figure 5 Figure 7 shows the WISCE panel for different microphone use cases available on MEMS tab to support different configuration paths on WM1811A shown in figure 6 for analogue and digital microphones Bypass Paths Left Analogue Right Analogue 0 2 z 5 Q b SHPOUT4L Digital MICs Minis B eourire 2 Digital MIQ 2 Channels HPOUT2N sPkour p jSPKoUTLN QSPKOUTRP CHANNEL DIGITAL MIXIN H ec IReTune Mobile FILTERS nM PARIAMETRIC EQUALISER DAC NAMIC RANGE VOLUME TEREO EXPANSION LOUDSPEAKER DRIVERS ASY CHRONOUS SAMPLE TE CONVERSION LINEOUT1N DAT DIGITAL MIC DMICCLKS INTERFACE LINEOUT2P LINEOUT2N LINEOUTFB ACCESSORY MI
12. yright mask work right or other intellectual property right of Wolfson covering or relating to any combination machine or process in which its products or services might be or are used Any provision or publication of any third party s products or services does not constitute Wolfson s approval licence warranty or endorsement thereof Any third party trade marks contained in this document belong to the respective third party owner Reproduction of information from Wolfson datasheets is permissible only if reproduction is without alteration and is accompanied by all associated copyright proprietary and other notices including this notice and conditions Wolfson is not liable for any unauthorised alteration of such information or for any reliance placed thereon Any representations made warranties given and or liabilities accepted by any person which differ from those contained in this datasheet or in Wolfson s standard terms and conditions of sale delivery and payment are made given and or accepted at that person s own risk Wolfson is not liable for any such representations warranties or liabilities or for any reliance placed thereon by any person ADDRESS Wolfson Microelectronics plc Westfield House 26 Westfield Road Edinburgh EH11 2QB United Kingdom Tel 44 0 131 272 7000 Fax 44 0 131 272 7001 E mail apps wolfsonmicro com umee microelectronics Customer Information 11
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