WM8523-6228-DT20-EV1 Schematic and Layout DOC TYPE: SCHEMATIC AND LAYOUT BOARD REFERENCE: WM8523-6228-DT20-EV1 BOARD TYPE: Customer Standalone Board WOLFSON DEVICE(S): WM8523 DATE: September 2009 DOC REVISION: Rev 1 1.0 0 Customer Information 1 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout SCHEMATIC Customer Information Sheet 1: Main Schematic 2 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Sheet 2: S/PDIF Interface Customer Information 3 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Sheet 3: USB Interface Customer Information 4 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Sheet 4: Hardware / Software Select Customer Information 5 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Sheet 5: WM8523 Customer Information 6 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Sheet 6: Line Output Customer Information 7 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Sheet 7: Power Customer Information 8 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Sheet 8: Jumper Settings Customer Information 9 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout BILL OF MATERIALS (BOM) Customer Information 10 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Customer Information 11 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Customer Information 12 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout PCB LAYOUT Top Layer: Overview Customer Information 13 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Top Layer: Silkscreen + Copper Customer Information 14 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Top Layer: Copper Customer Information 15 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Bottom Layer: y Copper Customer Information 16 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout Bottom Layer: Silkscreen + Copper Customer Information 17 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout DEFAULT BOARD CONFIGURATION USB Power, Power Electrical S/PDIF S/PDIF, Hardware mode mode, I2S Format Format, No DEEMPH DEEMPH, No MUTE Customer Information 18 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout APPLICATION SUPPORT If yyou require q more information or require q technical support, pp , p please contact the Wolfson Microelectronics Applications pp g group p through g the following g channels: Email: Telephone Apps: Fax: Mail: [email protected] +44 (0) 131 272 7070 +44 (0) 131 272 7001 Applications Engineering at the address on the last page or contact y your local Wolfson representative. p Additional information may be made available on our web site at: http://www.wolfsonmicro.com Customer Information 19 September 2009, Rev 1.0 WM8523-6228-DT20-EV1 Schematic and Layout 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 ackno ledgement acknowledgement. Wolfson 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 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. injury damage Any use of products by the customer for such purposes is at the customer customer’s s own risk risk. Wolfson does not grant any licence (express or implied) under any patent right, copyright, 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. 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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 Email :: [email protected] Customer Information 20 September 2009, Rev 1.0