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BM20 BLUETOOTH

EVALUTATION BOARD USER

’S GUIDE

Preliminary Edition



2015 Microchip Technology Inc.

page 25

2.5 MODULE CONFIGURATION

2.5.1 Mode Settings

Setting in Mode Switch:

For ROM chip application

Mode

SW12 Setting

Switch 12 PIN Definition

Test Mode

1: ON (P2_0: LOW)
2: OFF (P2_4: HIGH)
3: ON (EAN: HIGH)

Application Mode

1: OFF (P2_0: HIGH)
2: OFF (P2_4: HIGH)
3: ON (EAN: HIGH)

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Содержание BM20

Страница 1: ...Preliminary Edition 2015 Microchip Technology Inc page 1 BM20 Bluetooth Evaluation Board User s Guide ...

Страница 2: ...ION 6 1 2 BM20 EVALUATION BOARD FEATURES 6 1 3 BM20 EVALUATION BOARD CONTENTS 7 2 Getting Started 10 2 1 INTRODUCTION 10 2 2 HARDWARE REQUIREMENTS 10 2 3 APPLICATION DEMONSTRATION 10 2 4 SOFTWARE UTILITY REQUIREMENTS 13 2 5 MODULE CONFIGURATION 25 APPENDIX A BM20 AUDIO EVALUATION BOARD SCHEMATICS 26 APPENDIX B CLASS D AMPLIFIER DAUGHTER BOARD 32 ...

Страница 3: ...any page The last character of the literature number is the version number e g DS30000000A is version A of document DS30000000 Errata An errata sheet describing minor operational differences from the data sheet and recommended workarounds may exist for current devices As device documentation issues become known to us we will publish an errata sheet The errata will specify the revision of silicon a...

Страница 4: ...pter 1 Overview This chapter introduces the BM20 Bluetooth Evaluation Board and provides an overview of various features Chapter 2 Getting Started This chapter describes The hardware components and setup of the BM20 Bluetooth Evaluation Board The application demonstrations of the BM20 Bluetooth Evaluation Board Software Utility Requirements of the BM20 Bluetooth Evaluation Board Appendix A BM20 Au...

Страница 5: ...hip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representatives CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels Distributor or Representative Local Sales Office Field Application Engineer FAE Technical Support Customers should contact their distributor representative or Field Application Eng...

Страница 6: ...P media player remote control HFP HSP for accepting a phone call support For data sheet and other details related to BM20 module refer to the Microchip web site at http www microchip com This chapter discusses the following topics BM20 Evaluation Board Features BM20 Evaluation Board Contents and Part Details 1 2 BM20 EVALUATION BOARD FEATURES The BM20 Evaluation Board has the following features Fu...

Страница 7: ...ing components as shown in Figure 1 1 which describes the evaluation board s interfaces and connectors Table 1 1 describes the various components of the evaluation board FIGURE 1 1 BM20 EVALUATION BOARD Audio Output JP23 MIC JP22 NFC tag connector JP3 Pin Description Pin Description Pin Description 1 AOHPL 1 MIC_P1 1 NFC_P 2 AOHPM 2 AGND 2 NFC_N 3 AOHPR 3 MIC_N1 1 2 3 1 2 3 1 2 ...

Страница 8: ...P enable control P1_5 2 P3_0 8 P0_2 2 3 P2_0 9 P0_3 3 R channel signal to external AMP 4 P1_5 10 P0_5 4 5 P0_4 11 P2_7 5 L channel signal to external AMP 6 P0_1 12 P2_4 6 7 5V power for external AMP from USB 8 External AMP Connector JP26 Battery connector JP20 and Jack JP19 Alternative for BAT_IN Pin Description Pin Description 1 EXT_AMP_EN 1 BAT_IN 2 SPKR 2 GND 3 AGND 4 SPKL 5 AMP_POWER 1 2 3 4 5...

Страница 9: ...rophone input P5 and AUX input P7 Status LEDs Red and Blue LEDs show the pairing connection status MFB Button Switch to turn on off BM20 module SW7 Button 0 in UI Play Pause Button Button to play or pause the audio playback SW8 Button1 in UI Previous Track Button Button to skip track backwards SW4 Button 5 in UI Next Track Button Button to skip track forwards SW5 Button 4 in UI Volume Up Button Bu...

Страница 10: ...st device PC or smartphone the host device will display a list of discoverable Bluetooth devices The board display as EDDY SHS 4 If the pairing with the device is successful BM20 evaluation board can connect to the host device Once connected BM20 evaluation board enables Advanced Audio Distribution Profile A2DP for audio playback and Audio Video Remote Control Profile AVRCP for player control 2 3 ...

Страница 11: ...Microchip Technology Inc page 11 Go to the next track Start stop playing the current track FIGURE 1 2 BM20 EVALUATION BOARD AUDIO CONTROL BUTTONS FIGURE 1 3 BM20 EVALUATION BOARD WITH EXTERNAL CLASS D AMPLIFIER It need modify the setting in UI to support external amplifier ...

Страница 12: ...dset microphone with two plugs The following are the steps to perform the demonstration 1 Connect the headset microphone to BM20 evaluation board s audio out connector P6 and MIC input P5 respectively 2 Connect BM20 evaluation board to a smartphone that supports the A2DP and HFP HSP Bluetooth profiles 3 From another one phone initiate a call to the smartphone that is paired with BM20 evaluation bo...

Страница 13: ...ATION BOARD USER S GUIDE Preliminary Edition 2015 Microchip Technology Inc page 13 2 4 SOFTWARE UTILITY REQUIREMENTS 2 4 1 UI SETTING Step1 Open UI tool Step2 Firstly you can load default UI setting or previous setting file ...

Страница 14: ...DE Preliminary Edition 2015 Microchip Technology Inc page 14 Step3 Click Edit to modify the settings meet your needs Step4 In the main settings it can enable or disable supported profile or function which system need Click Next for other setting ...

Страница 15: ... 2015 Microchip Technology Inc page 15 Step5 You can do system and functional setting in these pages Click Help you can get more detail information Step6 After finish parameter set up click Finish button and a message will remind you check EEPROM size on your system ...

Страница 16: ...S GUIDE Preliminary Edition 2015 Microchip Technology Inc page 16 Step7 Click Save button to save these UI parameter as a txt file Step8 We will use MPET tool to merge it with EEPROM table and use EEPROM tool load these parameter to system ...

Страница 17: ... Preliminary Edition 2015 Microchip Technology Inc page 17 2 4 2 DSP TOOL SETTING Step1 Open DSP tool Step2 Select IC version IS2020_XXX_SHS XXX is the version of chip e g IS2020S 203 Step3 You can setup all voice and audio function in these pages ...

Страница 18: ...eliminary Edition 2015 Microchip Technology Inc page 18 Step4 Click Save button to save these DSP parameter as a txt file after finish all DSP setting Then use MPET tool to merge it with EEPROM table and use EEPROM tool load these parameter to system ...

Страница 19: ...N BOARD USER S GUIDE Preliminary Edition 2015 Microchip Technology Inc page 19 2 4 3 MERGE TOOL SETTING Step1 Open MPET tool click Next to set up Step2 Select UI Patch Only to use full EEPROM table to merge UI and DSP parameter ...

Страница 20: ...f the bin file had included UI DSP or patch code parameter you can see them in block 1 as the figure below If you want keep the in your new system you can select the item which you want to keep and use pull down button to add them to merge list If you want to add new parameter e g UI and DSP parameter click button to add these files into tool for merge with EEPROM table ...

Страница 21: ...LUTATION BOARD USER S GUIDE Preliminary Edition 2015 Microchip Technology Inc page 21 Step5 Select an output path and create a name for the merged EEPROM table Step6 Click Generate button to generate the new EEPROM table ...

Страница 22: ...0 BLUETOOTH EVALUTATION BOARD USER S GUIDE Preliminary Edition 2015 Microchip Technology Inc page 22 Step7 Select if you want use new setting of these parts Step8 Now you have a merged patch file ipf file ...

Страница 23: ...icrochip Technology Inc page 23 2 4 4 Procedure to Update EEPROM Parameters Step 1 Make sure SW12 in ROM TEST mode Step 2 Connect EVB P1 port and PC by USB cable LED1 LED2 on EVB will keep lighting Step 3 Run the E2PROM_tool exe program and a window will be come up as below ...

Страница 24: ...Specify the COM Port Step5 Press Browse to choose the file where you want to write EEPROM table or patch file Step6 Press Write to write these setting to EEPROM Step7 After finish data update remove USB cable and make SW12 to ROM APP mode and reboot Now EVB can use the new setting after updated EEPROM parameter ...

Страница 25: ...hip Technology Inc page 25 2 5 MODULE CONFIGURATION 2 5 1 Mode Settings Setting in Mode Switch For ROM chip application Mode SW12 Setting Switch 12 PIN Definition Test Mode 1 ON P2_0 LOW 2 OFF P2_4 HIGH 3 ON EAN HIGH Application Mode 1 OFF P2_0 HIGH 2 OFF P2_4 HIGH 3 ON EAN HIGH ...

Страница 26: ...BM20 BLUETOOTH EVALUTATION BOARD USER S GUIDE Preliminary Edition 2015 Microchip Technology Inc page 26 APPENDIX A BM20 AUDIO EVALUATION BOARD SCHEMATICS EVB block diagram ...

Страница 27: ...ay July 22 2015 0355 5F No 5 Industry E Rd VII Hsinchu Science Park Hsinchu City 30078 Taiwan TEL 886 3 5778385 BAT_IN ADAP_IN 3rd LED LED2 LED1 P2_4 C6 0 1u 10V BLUE LED LED2 LED HR 1 2 RED LED1 LED B 1 2 R39 1K 1 2 VDD_IO SYS_PWR LED3 LED G 1 2 Slide Switch REV GPIO Description Volume down Volume up P00 System Configuration System Configuration Play Pause FWD NFC P20 P03 P24 P05 P01 Line in dete...

Страница 28: ...BAT_IN VDD_IO ON SW12 SW 3BIT 1 2 3 4 5 6 R95 4K7 1 2 R8 4K7 1 2 R7 10 1 2 P2_0 EAN P2_4 BAT_IN ADAP_IN VCC_RF CODEC_VO BK_OUT MIC_BIAS JP9 JP 2x20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 VICTORIA EDGAR II INTERFACE VDD_IO C5 0 1u 10V C9 0 1u 10V C4 0 1u 10V AOHPR AOHPL P2_4 P2_0 AIR AIL EAN HCI_RXD HCI_TXD MIC_P1 MIC_N1 EXT_3V...

Страница 29: ...VREF 6 INL 7 GND 8 VDD 9 INR 10 NC 11 NC 12 OUTR 13 PGNDR 14 OUTR 15 PVDDR 16 C15 1u 10V SPKL_AMP L_VON L_VOP FB2 GSMA201209 1 2 C10 220p 50V C11 220p 50V C138 220p 50V FB5 GSMA201209 1 2 C8 220p 50V FB4 GSMA201209 1 2 L4 NP 1206 1 2 L_OUT R_OUT R_IN L_IN C27 NP 0402 L6 NP 1206 1 2 L3 NP 1206 1 2 C26 NP 0402 L5 NP 1206 1 2 C30 NP 0402 C28 NP 0402 C29 NP 0402 C31 NP 0402 C16 39p 50V C17 10p 50V C14...

Страница 30: ...te Sheet of P N PUSH BUTTON SWITCH 4 0 BM20 EVB 4 4 Wednesday July 22 2015 0355 5F No 5 Industry E Rd VII Hsinchu Science Park Hsinchu City 30078 Taiwan TEL 886 3 5778385 P0_3 MUSIC CONTROL PUSH BUTTON SY S_PWR C57 10u 16V Btn1 PLAY PAU Btn4 FWD MFB SLIDE SWITCH SW4 TS08M PF 2 1 SW8 TS08M PF 2 1 SW10 TS08M PF 2 1 SW5 TS08M PF 2 1 Btn5 REW C38 15p 50V SW9 TS08M PF 2 1 C41 15p 50V P2_7 C39 15p 50V S...

Страница 31: ...BM20 BLUETOOTH EVALUTATION BOARD USER S GUIDE Preliminary Edition 2015 Microchip Technology Inc page 31 ...

Страница 32: ...daughter board for speaker application demonstration Here is a daughter board example of NAU8223 3 1W class D amplifier On the daughter board we reserve pin header for amplifier gain setting L R channel speaker connector and BM20 EVB connector It can be connected with BM20 EVB to emulate a speaker application The schematics of the daughter board as below Speaker Connector for L R channel BM20 EVB ...

Страница 33: ...GS vs Gain Setting GAIN dB 24 18 12 6 JP2 JP 1x2 1 2 0 JP3 JP 1x2 1 2 GS GND 100K to GND VDD 100K to VDD FLOATING JP4 JP 1x2 1 2 JP5 JP 1x2 1 2 AL AR AL C25 0 1u 16V C26 0 1u 16V C27 0 1u 16V C28 0 1u 16V L_VOP L_VON D1 LL4148 2 1 FB2 GSMA201209 1 2 FB3 GSMA201209 1 2 VDD FB5 GSMA201209 1 2 FB4 GSMA201209 1 2 L_IN R_IN R_OUT L_OUT JP8 JP 1x2 1 2 JP9 JP 1x2 1 2 L1 NP 1206 1 2 L2 NP 1206 1 2 L3 NP 1...

Страница 34: ...ina Shenzhen Tel 86 755 8864 2200 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 China Xiamen Tel 86 592 2388138 Fax 86 592 2388130 China Zhuhai Tel 86 756 3210040 Fax 86 756 3210049 ASIA PACIFIC India Bangalore Tel 91 80 3090 4444 Fax 91 80 3090 4123 India New Delhi Tel 91 11 4160 8631 Fax 91 11 4160 8632 India Pune Tel ...

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