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1. Fujitsu Semiconductor Shanghai Co Ltd MCU AN 500057 E 10 Application Note F MC 8FX FAMILY 8 BITMICROCONTROLLER MB95200 SERIES BT HAND FREE DEMO REFERENCE SOLUTION APPLICATION NOTE cO FUJITSU FUJITSU BT Hand Free Demo Quick Start Guide V1 0 Revision History Revision History Date Author Change of Records 2009 11 4 Kevin Lin This manual contains 12 pages The products described in this manual and the specifications thereof may be changed without prior notice To obtain up to date information and or specifications please contact your Fujitsu sales representative or Fujitsu authorized dealer Fujitsu will not be liable for infringement of copyright industrial property right or other rights of a third party caused by the use of information or drawings described in this manual 3 The contents of this manual may not be transferred or copied without the express permission of Fujitsu The products contained in this manual are not intended for using for equipment which requires extremely high reliability such as aerospace equipment undersea repeaters nuclear control systems or medical equipment for life support Some of the products described in this manual may be strategic materials or special technology as defined by the Foreign Exchange and Foreign Trade Control Law In such cases the products or portions thereof must not be exported without permission as defined under the2. PERFORM The following document contains information on Cypress products Although the document is marked with the name Spansion and Fujitsu the company that originally developed the specification Cypress will continue to offer these products to new and existing customers Continuity of Specifications There is no change to this document as a result of offering the device as a Cypress product Any changes that have been made are the result of normal document improvements and are noted in the document history page where supported Future revisions will occur when appropriate and changes will be noted in a document history page Continuity of Ordering Part Numbers Cypress continues to support existing part numbers To order these products please use only the Ordering Part Numbers listed in this document For More Information Please contact your local sales office for additional information about Cypress products and solutions About Cypress Cypress NASDAQ CY delivers high performance high quality solutions at the heart of today s most advanced embedded systems from automotive industrial and networking platforms to highly interactive consumer and mobile devices With a broad differentiated product portfolio that includes NOR flash memories F RAM and SRAM microcontrollers the industry s only PSoC programmable system on chip solutions analog and PMIC Power Management ICs CapSense capacitive touch sensing cont
3. Chapter 7 Appendix 7 Appendix Table 3 12 Pin ASSIQDETIGPIT s a bio reda haga cepa ada tA te 8 Figure 2 1 Bluetooth Hand Free Demo 5 Figure 3 1 System Block Diagram E I 6 Figure 3 2 Blue Tooth Hand Free rbi Eta 7 Figure 4 1 FOW ChaT Fu 9 Figure 5 1 Bluetooth Hand Free 10 MCU AN 500057 E 10 Page 12
4. ed by I2C bus When DSP detects the echo noise it will immediately generate the inverted phase of this noise and impose to the output thus cancel the noise at the output Figure 3 1 shows the schematic diagram MCU AN 500057 E 10 Page 6 BT Hand Free Demo Quick Start Guide V1 0 Chapter 3 Hardware FUJITSU avan pom Poa DUX hj H r a a lr t I El hd HIT 11 LL 1 Figure 3 2 Tooth Hand Free Kit MCU AN 500057 E 10 Page 7 co FUJITSU BT Hand Free Demo Quick Start Guide V1 0 Chapter 3 Hardware 3 3 MCU Pin Assignment Table 3 1 shows the MB95F214 Pin Assignment in this system Table 3 1 Pin Assignment Number Pin Function 5 P04 Reset output for AK7742 6 05 SCL of I2C bus 7 POG SDA of I2C bus 8 P12 Reset output for Bluetooth module MCU AN 500057 E 10 Page 8 BT Hand Free Demo Quick Start Guide V1 0 FUJITSU Chapter 4 Firmware 4 Firmware For this demo the firmware just initializes the Bluetooth and DSP When the power is on MCU will reset the Bluetooth and the DSP first by a reset signal and then simulate 2 bus with two general 1 to communicate with DSP and Bluetooth Module Figure 4 1 shows the flow chart when MB95F214 is used Initialize the MCU Reset Bluetooth module Reset AK7742 Configure Bluetooth Configure AK7742 St
5. ion and prevention of over current levels and other abnormal operating conditions If any products described in this document represent goods or technologies subject to certain restrictions on export under the Foreign Exchange and Foreign Trade Law of Japan the US Export Administration Regulations or the applicable laws of any other country the prior authorization by the respective government entity will be required for export of those products Trademarks and Notice The contents of this document are subject to change without notice This document may contain information on a Spansion product under development by Spansion Spansion reserves the right to change or discontinue work on any product without notice The information in this document is provided as is without warranty or guarantee of any kind as to its accuracy completeness operability fitness for particular purpose merchantability non infringement of third party rights or any other warranty express implied or statutory Spansion assumes no liability for any damages of any kind arising out of the use of the information in this document Copyright O 2013 Spansion Inc All rights reserved Spansion the Spansion logo MirrorBit MirrorBit Eclipse ORNAND and combinations thereof are trademarks and registered trademarks of Spansion LLC in the United States and other countries Other names used are for informational purposes only and may be trademarks of their respective owners
6. law 2009 Fujitsu Semiconductor Shanghai Co Ltd MCU AN 500057 10 Page 2 BT Hand Free D Quick Start Guide V1 0 an ree EDNTENTS art Guide FUJITSU CONTENTS u 2 cec 3 1 OVERVIEW Ras 4 2 DEMO PLATFORM uuu au aaa asua kaaa aaa aaa aa Kaaa Kaaa 5 6 6 32 Schematic 1 RENE ai adaa 6 3 3 MCU 8 Mal diim 9 5 OPERATIONS u Lu 10 6 MORE INFORMATIOLN 11 7 at 12 MCU AN 500057 E 10 Page 3 co FUJITSU BT Hand Free Demo Quick Start Guide V1 0 Chapter 1 Overview 1 Overview The PRC new driving policy has been announced to avoid drivers talking mobile phone directly and it creates an increasing need for Car Hand Free Kit The driver can communicate with the kit by turning on the Bluetooth in the mobile The kit will act as a hand free phone so that the driver can talk freely during d
7. op here Figure 4 1 Flow Chart MCU AN 500057 E 10 Page 9 FUJITSU BT Hand Free Demo Quick Start Guide V1 0 Chapter 5 Operations 5 Operations m Matching Press the ON for 5 seconds until the speaker sounds KA Then release the button The Bluetooth starts searching the BT facility around your mobile phone The target name is ASC Master1 Select this name and match it with your phone security code is 0000 m Connection Follow the BT user manual of your phone to connect the BT car HF kit m Dialing After BT is connected use the dialing function in your phone to dial out m Talk User can directly talk to the HF kit m Hang Press the hang up key in your phone can disconnect the call m Disconnecting Follow the BT manual of your phone to disconnect the BT HF kit Please refer to Figure 5 1 to find the corresponding parts ON SuperHandsFree Figure 5 1 Bluetooth Hand Free Appearance MCU AN 500057 E 10 Page 10 Hand Free Demo Quick Start Guide V1 0 FUJITSU Chapter 6 More Information 6 More Information For more information on FUJITSU MB95200 products please visit following website English version http www fujitsu com cn fsp services mcu mb95 application notes html Simplified Chinese Version http www fujitsu com cn fss services mcu mb95 application notes html MCU AN 500057 E 10 Page 11 FUJITSU BT Hand Free Demo Quick Start Guide V1 0
8. riving This demo set has such features m Noise cancellation m Caller ID display m Transfer audio to FM radio MCU AN 500057 E 10 Page 4 BT Hand Free Demo Quick Start Guide V1 0 Chapter 2 Demo Platform FUJ 2 Demo Platform As shown in Figure 2 1 this demo is mainly made up of three parts MCU noise cancellation DSP and Bluetooth module When the Bluetooth hand free kit works it will receive the audio data from the mobile through Bluetooth module and transfer it to the audio DSP for echo cancellation on the other hand it will transfer the audio data from the microphone to the mobile Bluetooth Module eat Audio DSP AK7742 Figure 2 1 Bluetooth Hand Free Demo MCU AN 500057 E 10 Page 5 FUJITSU BT Hand Free Demo Quick Start Guide V1 0 Chapter 3 Hardware 3 Hardware 3 1 System Block Figure 2 1 shows the system block There are two editions One is a simple edition using MB95F 214 Another is an advanced edition using MB95F204 and with the functions of caller ID display and transferring the audio to the FM radio on the car 12 95 214 Audio DSP gt Amplifier Microphone Bluetooth Noise Module suppresser Figure 3 1 System Block Diagram 3 2 Schematic Diagram In this system a compatible design was made The MCU can be MB95F214 or MB95F204 which will control audio DSP and Bluetooth module AK7742 is used to implement echo cancellation It is easily controll
9. rollers and Wireless BLE Bluetooth Low Energy and USB connectivity solutions Cypress is committed to providing its customers worldwide with consistent innovation best in class support and exceptional system value SPANSION Colophon The products described in this document are designed developed and manufactured as contemplated for general use including without limitation ordinary industrial use general office use personal use and household use but are not designed developed and manufactured as contemplated 1 for any use that includes fatal risks or dangers that unless extremely high safety is secured could have a serious effect to the public and could lead directly to death personal injury severe physical damage or other loss i e nuclear reaction control in nuclear facility aircraft flight control air traffic control mass transport control medical life support system missile launch control in weapon system or 2 for any use where chance failure is intolerable i e submersible repeater and artificial satellite Please note that Spansion will be liable to you and or any third party for any claims or damages arising in connection with above mentioned uses of the products Any semiconductor devices have an inherent chance of failure You must protect against injury damage or loss from such failures by incorporating safety design measures into your facility and equipment such as redundancy fire protect
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