BlueMP3TM reference design for MP3 streaming over Bluetooth
Contents
1. Q BlueMP3 reference design for MP3 streaming over a N ESAS Bluetooth 9 Reference Renesas Technology Corporation Semiconductor Home Page http www renesas com Contact for Renesas Technical Support E mail support_apl renesas com Data Sheet 8 User s Manual M32C 83 Datasheet User s Manual Bluetooth documents Use the latest version please check http www renesas com IAR Systems Embedded Bluetooth Protocol Stack http www iar com BlueMP3 BlueMP3 is a trademark of Renesas Technology Corporation Bluetooth BLUETOOTH is a trademark owned by BLUETOOTH SIG Inc and licensed to Renesas Technology Corporation REB05B0003 0101Z May 2003 Page 13 of 14 M16C Family BlueMP3 reference design for MP3 streaming over a LE N ESAS Bluetooth Keep safety first in your circuit designs e Renesas Technology Corporation puts the maximum effort into making semiconductor products better and more reliable but there is always the possibility that trouble may occur with them Trouble with semiconductors may lead to personal injury fire or property damage Remember to give due consideration to safety when making your circuit designs with appropriate measures such as i placement of substitutive auxiliary circuits ii use of nonflammable material or iii prevention against any malfunction or mishap Notes regarding these materials e These materials are intended as a reference to assist our c2. ENESAS APPLICATION NOTE M16C Family BlueMP3 reference design for MP3 streaming over Bluetooth 1 Abstract ou This application note describes the BlueMP Bluetooth for consumer application v reference design for MP3 streaming over 1 M rec Nd MN ant LK UR v hy gt Esch S gt Image1 The BlueMP3 reference design 2 Contents 1 ADSI A ee 1 MEE en ET Pere 1 3 nn SE EE EEE EE 2 A Hardware TEE dl E 3 5 Soitware COS CID NON WE 6 0 Demo AA 8 Z CIN LE 10 8 Component placement specification oomcnccconnnnnnnccceconnnnnconenonannncorrnnnanannrornnnanannrrrnnnnananennnnas 11 9 o EE 13 REBO05B0003 0101Z May 2003 Page 1 of 14 M16C Family Riga A BlueMP3 reference design for MP3 streaming over CENESAS Bluetooth 3 Introduction Current wireless audio devices on the market e g speakers and headphones leave much to be desired at the sound quality and the possibility of interactivity to the host device Those wireless audio limitations are about to vanish by using the MP3 over Bluetooth solution of Renesas Technology The reference design is based on a transmitter side which actually can be any Bluetooth enabled PC or PDA where MP3 data is stored The connection establishment as well as the MP3 file selection can be done from a smart Windows GUI The counterpart is the receiver where the streamed
3. kl JO LG HU 19 2021020 id GERT 611 Hp E m CE EEDAN THAT AGI z imam ENTTIAMO Era indio oa pr TAN daa INC RSH E TLIE Aad CIL Cone eld CRE cat troller Bluetooth module decoder and power supply En En x En zt uA HS 00 480 Ty MI Pa Zen SIN EN E FAT2 GAINA Icrocon HEAL d HICHL RUCL EHH mne DE On z E SLB WEZBI ad gt ENIS MID DH fM Blond OOS x38 El VE CLIE d a ERI zEBadxL BLO E CE 0 40 ee kid USD SH E 200014 3721186 HI 010 014 22d ANE Sti 00 10 Te 10 A Tee Pad LUMO Fo LCE S0 Bed AOR aad Dao 0H rx ELLO XL Td ACBL ed FLARIS Td L OEHL 32d IB TXGUH ere LAL jJ eae a RAD OZHL td LHI Gen J MNCL TELAT ELJ e d h LATE Ed KKK z 7 LONA AR 1 MIA Bee hed CULO MUO WY cL ed IC O Schemat JHE OWE z T m TSA IJ PS Lo ELI Fad 2065004 18315171000 IER H T Osea FUEL ZENE SSL AB orsiz JH ri rr T ren n Tu d ood td em 7 Bale r Bed BLA BLE Figure8 May 2003 Page 10 of 14 REB05B0003 01012 M16C Family e Y A BlueMP3 reference design for MP3 streaming over a N ESAS Bluetooth 8 Component placement specification Figure9 Component placement top layer REB05B0003 01012 May 2003 Page 11 of 14 M16C Family F a E BlueMP3 reference design for MP3 streaming over El E N ESAS Bluetooth Figure10 Component placement bottom layer REB05B0003 0101Z May 2003 Page 12 of 14 M16C Family
4. varto P609 CTS0 gt URTS ms d u O an ER x lt UC O UD RISO DIS P70 SDA gt X DCH y TARIE sous 3 app Table2 Pinning of board internal interface REB05B0003 01012 May 2003 Page 4 of 14 M16C Family 2 ENESAS BlueMP3 reference design for MP3 streaming over Bluetooth Please note that the UARTO RTSO signal of the M16C 62N is not generated automatically by the MCU therefore the RTSO signal is set to fixed low level just by port setting to show the BT module a continuously ready signal BlueMP3 eat Ye N A 7 Wnr O d Q i S SPAJ Soen ie WAS M32C 83 gt gt gt gt gt gt Ss gt gt gt gt gt Ss gt gt gt re ces E Rag areren t t UI tik y e UU e as gt N a Y L L1 oy UN o p E y cS is SND vs M D Figure3 Top view of BlueMP3 The audio connector for speaker can be directly connected to headphone or can be routed to a stereo system for further processing REBO05B0003 0101Z May 2003 Page 5 of 14 M16C Family BlueMP3 reference design for MP3 streaming over 44 NE S AS Bluetooth BlueMP3 Figure4 Bottom view of BlueMP3 5 Software description The M32C software is utilizing the very compact and easy to configure embedded software stack of IAR Systems The IAR Systems Embedded Bluetooth Protocol Stac
5. 03 Page 3 of 14 M16C Family i Q BlueMP3 reference design for MP3 streaming over El N ESAS Bluetooth Due to the headset connector and the low power consumption of the complete system it is suitable for battery driven as well as for the home stereo area application The ready to use Bluetooth module M3A ZA12 is based on the Renesas Technology chipset of baseband IC M64110WG and the RF transceiver IC M64846FP plus an additional SMD antenna The MP3 data will be received by the Renesas chip module M3A Z12 then transmitted by HCI interface to the Microcontroller and finally transferred to the MP3 decoder IC Furthermore the Microcontroller takes over the control of the decoder by IFC interface A headphone with a 2 5mm stereo jack can be directly connection to the BlueMP3 One UART interfaces of the M32C 83 is utilized for external communication e UART1 Optional debug communication to a PC with KD30xx cable debugger as well as for flash programming of the M32C 83 SCH Tete Te Tele Connector KD30xx Dis moi DGND Gi Table1 Pinning of interface connector Furthermore three more UART interfaces are used for board internal communication e UARTO Used as asynchronous HCI interface to the Bluetooth module M3A ZA12 e UART2 Used as 12C interface for MP3 decoder control e UARTS Used as synchronous interface for MP3 data transfer M32C 83 M32C 83 BT Module MP3 pin name M3A ZA12 URD RxD
6. MP3 data will be received decoded and amplified to make it suitable for headphones or further processing e g in a home stereo Bluetooth link Using BlueMP3 reference design Using standard th device Bluetoo Bluetooth link o Figure1 Typical applications for the BlueMP reference design Instead of the Bluetooth Audio Video Profile A V the Serial Port Profile SPP specification is basic of this reference design which defines a Bluetooth Link for serial data communication This Bluetooth link provides a bi directional wireless connection between the transmitter and the BlueMP3 device which offers due to the selected profile a flexible REBO05B0003 0101Z May 2003 Page 2 of 14 M16C Family Q BlueMP3 reference design for MP3 streaming over P N ESAS Bluetooth easy qualifiable and mature realization with minimized processor resources and the possibility to use standard Bluetooth solutions with Windows OS support on the PC side 4 Hardware description Optional debug interface Connector UART1 BT module M3A ZA12 MP3 decoder MAS3509F BlueMP3 Figure2 Block diagram of BlueMP3 reference board The BlueMP3 embedded receiver side consists of a Renesas Bluetooth module M3A ZA12 including Renesas Bluetooth chipset a Renesas Microcontroller M32C 83 and a Micronas MP3 decoder IC whereby these devices are mounted on a smart 5cm x 5cm PCB REBO05B0003 0101Z May 20
7. age http www renesas com e When using any or all of the information contained in these materials including product data diagrams charts programs and algorithms please be sure to evaluate all information as a total system before making a final decision on the applicability of the information and products Renesas Technology Corporation assumes no responsibility for any damage liability or other loss resulting from the information contained herein e Renesas Technology Corporation semiconductors are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentially at stake Please contact Renesas Technology Corporation or an authorized Renesas Technology Corporation product distributor when considering the use of a product contained herein for any specific purposes such as apparatus or systems for transportation vehicular medical aerospace nuclear or undersea repeater use e The prior written approval of Renesas Technology Corporation is necessary to reprint or reproduce in whole or in part these materials e f these products or technologies are subject to the Japanese export control restrictions they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination Any diversion or reexport contrary to the export control laws and regulations of Japan and or the country of destination is prohibited e Pl
8. ease contact Renesas Technology Corporation for further details on these materials or the products contained therein REB05B0003 01012 May 2003 Page 14 of 14
9. k is already BQB qualified for Renesas M16C M32C Microcontroller and supports the Bluetooth Serial Port Profile Due to Renesas s MCU family concept you could easily choose another M16C M32C as host MCU out of the wide range of memory and package variations as well Anyway to realize a reference setup a Bluetooth enabled PC with a WinBlueMP3 application is needed The WinBlueMP3 application allows the user to find the BlueMP3 by a Bluetooth Inquire command A following connection request command for the specified device in the left device list setup a Bluetooth link between the PC and BlueMP3 reference design If the connection is established the PC will release an acoustic signal and log info will be displayed in the device message window REBO05B0003 0101Z May 2003 Page 6 of 14 M16C Family Riga A BlueMP3 reference design for MP3 streaming over CENESAS Bluetooth My bluetooth address 0x000000000000 EN x Bluetooth devices Irrauire Open I annecl Disconnect Clear messages Device messages Connection established Figure5 The WinBlueMP3 application By using the Open button a MP3 file can be selected from the PC storage The MP3 file will be automatically transferred to the BlueMP3 receiver side whereby the file will be split in several small packets which will be send by SPP profile to the sink For illustration purpose a N will be logged in the device message wi
10. ndow if a packet of MP3 data have been send to the receiver The receiver automatically starts with the playback If the file has been completed a new file can be selected with the Open button REBO05B0003 0101Z May 2003 Page 7 of 14 M16C Family 2 ENESAS BlueMP3 reference design for MP3 streaming over Bluetooth 6 Demo Setup Various peripheries should be connected to be the BlueMP3 board for the Demo Setup Power Supply Loudspeaker or Headset e PC or PDA by Bluetooth link er i BAAL EEUU CUL ee RR MUU 5 BAL et A w ja ETS 5341 DIE ZE x o AE ILI 49 7 ES uo EE Figure6 Demo Setup for BlueMP3 demonstration A detailed overview of the connectors and the related pins can be found in the following figure REBO05B0003 0101Z May 2003 Page 8 of 14 M16C Family Q BlueMP3 reference design for MP3 streaming over El N ESAS Bluetooth Loudspeaker Loudspeaker Jacket Standard Stereo 2 5mm jacket KD30xx I F Description Not used for demo setup pls refer to chapter KD30xx 4 Hardware description aim Figure7 Detailed connector plan of BlueMP3 demo setup REB05B0003 01012 May 2003 Page 9 of 14 ing over M16C Family Bluetooth for MP3 stream ign arte NI E S NS BlueMP3 reference des 7 Schematic Li heals Bete ZBBECELUTISIEU WIS TROU o OT nx mnn Ee agU JUNO ONG ON Tedwantg 31LIL SE IN Janu BIO
11. ustomers in the selection of the Renesas Technology Corporation product best suited to the customer s application they do not convey any license under any intellectual property rights or any other rights belonging to Renesas Technology Corporation or a third party e Renesas Technology Corporation assumes no responsibility for any damage or infringement of any third party s rights originating in the use of any product data diagrams charts programs algorithms or circuit application examples contained in these materials e Allinformation contained in these materials including product data diagrams charts programs and algorithms represents information on products at the time of publication of these materials and are subject to change by Renesas Technology Corporation without notice due to product improvements or other reasons lt is therefore recommended that customers contact Renesas Technology Corporation or an authorized Renesas Technology Corporation product distributor for the latest product information before purchasing a product listed herein The information described here may contain technical inaccuracies or typographical errors Renesas Technology Corporation assumes no responsibility for any damage liability or other loss rising from these inaccuracies or errors Please also pay attention to information published by Renesas Technology Corporation by various means including the Renesas Technology Corporation Semiconductor home p
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