Datasheet BM20, BM23 (Microchip) - 4

link to page 1 link to page 1 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 3 link to page 3 link to page 6 link to page 6 link to page 13 link to page 13 link to page 18 link to page 19 link to page 19 link to page 19 link to page 21 link to page 26 link to page 26 link to page 27 link to page 29 link to page 29 link to page 31 link to page 34 link to page 38 link to page 38 link to page 38 link to page 40 link to page 41 link to page 41 link to page 43 link to page 44 link to page 46 link to page 47 link to page 47 link to page 48
BM20/23 Table of Contents
Introduction...1 Features... 1 RF/Analog... 2 Audio processor ... 2 Audio Codec..2 Peripherals.. 2 Antenna...2 Compliance... 2 Operating Conditions.. 3 Applications...3 1. Device Overview... 6 1.1. Interface Description.. 6 2. Application Information..13 2.1. Operation with External MCU...13 2.2. I2S Mode Application..18 2.3. RESET (RST_N).. 19 2.4. Status LED (LED1, LED2)..19 2.5. External Configuration..19 3. Electrical Characteristics...21 4. Printed Antenna Information... 26 4.1. Module Radiation Pattern...26 4.2. Module Placement Rules... 27 5. Reference Circuit.. 29 5.1. BM20 Reference Circuit... 29 5.2. BM23 Reference circuit.. 31 6. Physical Dimensions... 34 7. Reflow Profile.. 38 7.1. Soldering Recommendations... 38 7.2. Packing and Storage Information... 38 8. Ordering Information... 40 9. Certification Notices.. 41 9.1. United States..41 9.2. Canada...43 9.3. Europe..44 9.4. Japan..46 9.5. Korea..47 9.6. Taiwan.. 47 9.7. China.. 48 © 2019 Microchip Technology Inc.
Datasheet
DS70005406B-page 4 Document Outline Introduction Features RF/Analog Audio processor Audio Codec Peripherals Antenna Compliance Operating Conditions Applications Table of Contents 1. Device Overview 1.1. Interface Description 2. Application Information 2.1. Operation with External MCU 2.2. I2S Mode Application 2.3. RESET (RST_N) 2.4. Status LED (LED1, LED2) 2.5. External Configuration 3. Electrical Characteristics 4. Printed Antenna Information 4.1. Module Radiation Pattern 4.2. Module Placement Rules 5. Reference Circuit 5.1. BM20 Reference Circuit 5.2. BM23 Reference circuit 6. Physical Dimensions 7. Reflow Profile 7.1. Soldering Recommendations 7.2. Packing and Storage Information 8. Ordering Information 9. Certification Notices 9.1. United States 9.1.1. Labeling and User Information Requirements 9.1.2. RF Exposure 9.1.3. Helpful Websites 9.2. Canada 9.2.1. Labeling and User Information Requirements 9.2.2. RF Exposure 9.2.3. Helpful Websites 9.3. Europe 9.3.1. Labeling and User Information Requirements 9.3.2. Conformity Assessment 9.3.3. Simplified EU Declaration of Conformity 9.3.4. Helpful Websites 9.4. Japan 9.4.1. Labeling and User Information Requirements 9.4.2. Helpful Websites 9.5. Korea 9.5.1. Labeling and User Information Requirements 9.5.2. Helpful Websites 9.6. Taiwan 9.6.1. Labeling and User information Requirements 9.6.2. Helpful Websites 9.7. China 9.7.1. Labeling and User Information Requirements 9.8. Brazil 9.9. Mexico 9.9.1. Labeling and User Information Requirements 9.10. Argentina 9.10.1. Labeling and User Information Requirements 9.11. Other Regulatory Jurisdictions 10. Document Revision History The Microchip Website Product Change Notification Service Customer Support Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Worldwide Sales and Service