Microchip BM20 Handleiding


Lees hieronder de đź“– handleiding in het Nederlandse voor Microchip BM20 (36 pagina's) in de categorie Niet gecategoriseerd. Deze handleiding was nuttig voor 116 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

Pagina 1/36
IS200X, IS201X, IS202X, BM1X, BM2X
Application Note
Revision History
Date
Revision Content
Version
May/4’2015
Release version
1.0
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Index
1. OVERVIEW .............................................................................................................................. 1
1.1 GENERAL DESCRIPTION ................................................................................................. 1
1.2 KEY FEATURE LIST: .......................................................................................................... 1
1.3 AVAILABLE PART NUMBER: ............................................................................................. 1
1.4 APPLICATION BLOCK DIAGRAM: .................................................................................... 3
2. IO ASSIGNMENT LIST ............................................................................................................ 3
2.1 FOR IS2013, IS2015, IS2020, IS2023, IS2025, BM15, BM20, BM23, BM25 ..................... 4
2.2 FOR IS2008, IS2010 .......................................................................................................... 4
2.3 FOR IS2021 .......................................................................................................................4
2.4 FUNCTION DESCRIPTION ...............................................................................................5
3. SYSTEM TURN ON/OFF APPLICATION ................................................................................ 6
3.1 POWER SWITCH TYPE SETTING .................................................................................... 6
3.2 AUTO POWER OFF FUNCTION ........................................................................................ 7
4. BATTERY CHARGER APPLICATION ..................................................................................... 8
4.1 BUILD IN BATTERY CHARGER ........................................................................................ 8
4.2 EXTERNAL CHARGER ...................................................................................................... 8
4.3 BATTERY STATUS DISPLAY IN APPLE iOS ..................................................................... 8
5 LINE-IN (AUX-IN) APPLICATION. .......................................................................................... 10
5.1 ADVANCED LINE-IN (AUX-IN) FUNCTION ..................................................................... 10
5.2 LINE-IN CIRCUIT ............................................................................................................. 11
6. VOICE PROMPT & MULTI TONE .........................................................................................12
6.1 VOICE PROMPT/MULTI TONE FUNCTION .................................................................... 12
6.2 TONE SETTINGG ............................................................................................................ 12
6.2 MULTI-TONE PROMPT ..................................................................................................... 14
7. BUZZER APPLICATION ........................................................................................................ 15
8. NFC TRIGGERS BLUETOOTH CONNECTION APPLICATION ........................................... 16
8.1 GENERAL INTRODUCTION FOR NFC APPLICATION ................................................... 16
8.1.1 NFC TAG FOR APPLICATION ............................................................................................. 16
8.1.2 NFC BEHAVIOR AFTER TRIGGERED .............................................................................. 16
8.2 ADDITIONAL NFC TRIGGER CIRCUIT ........................................................................... 17
8.3 NFC WRITER TOOL ........................................................................................................ 18
8.4 MP TOOL FOR NFC APPLICATION ................................................................................. 18
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9. AUDIO WITH AMPLIFIER APPLICATION ............................................................................20
9.1 BUILD-IN CLASS D AMPLIFIER ...................................................................................... 20
9.1.1 POWER TREE FOR INTERNAL CLASS-D AMP (CDA) .................................................. 20
9.2 EXTERNAL AUDIO AMPIFIER CIRCUIT ......................................................................... 21
9.2.1 AUDIO AMP SELECTION ..................................................................................................... 21
9.2.2 AUDIO AMP CIRCUIT DESIGN ........................................................................................... 21
9.2.3 AUDIO GAIN ADJUST GUIDELINE .................................................................................... 23
9.2.4 EXTERNAL AMP POWER ON TIMING CONTROL FOR POP NOISE FREE ............. 23
9.2.5 SOFT START FOR SINGLE END OUTPUT ...................................................................... 24
9.2.6 PCB LAYOUT GROUND PARTITION ................................................................................. 25
10. SPEAKER PHONE HOUSING DESIGN .............................................................................. 26
10.1 HOUSING DESIGN ........................................................................................................ 26
11. EXTERNAL MCU APPLICATION ........................................................................................ 27
11.1 OPERATION WITH EXTERNAL MCU ............................................................................ 27
12. I 2S APPLICATION ................................................................................................................. 5
13. ANTENNA PLACEMENT RULE ............................................................................................ 7
14. MISCELLANEOUS ................................................................................................................ 8
14.1 HEADSET APPLICATION ................................................................................................ 8
14.2 OPTIONAL RESET CIRCUIT ........................................................................................... 8
14.3 EEPROM DATA PROTECTION ........................................................................................ 9


Product specificaties

Merk: Microchip
Categorie: Niet gecategoriseerd
Model: BM20

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