Datasheet BM70, BM71 (Microchip) - 5

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BM70/71 1.0 DEVICE OVERVIEW
The BM70/71 module can independently maintain a low power wireless connection. Low power and flexible The BM70/71 module is built around Microchip power management features maximize the lifetime of the Technology IS1870/71 BLE Integrated Circuit (IC). The BM70/71 module in battery-operated devices. A wide IS1870/71 IC includes an on board Bluetooth stack, a operating temperature range enables its applications in power management subsystem, a 2.4 GHz transceiver, indoor and outdoor environments. and an RF power amplifier. The user can embed The BM70/71 module is a small, compact, and Bluetooth functionality into any product using the surface-mounted module with castellated pads for easy BM70/71 module. and reliable host PCB mounting. The relatively small The BM70/71 module enables the following features: form factor of the module is targeted for applications, • Simple integration and programming such as wearable sports, fitness devices and so on. • Reduced development time • Superior wireless module with a low-cost system
1.1 Interface Description
• Interoperability with Apple® iOS and Android™ Figure 1-1 and Figure 1-2 illustrate an example of the OS BM70/71 module-based system. • A wide range of applications
FIGURE 1-1: BM70 MODULE BLOCK DIAGRAM Note 1:
SPI and I2C peripherals of the IS1870/71 IC can be enabled on the BM70/71 module by changing the default firmware. For more details, contact a local Microchip representative.  2015-2019 Microchip Technology Inc. DS60001372J-Page 5 Document Outline Features RF Features MAC/Baseband/Higher Layer Features FIGURE 1: BM70 MODULE FIGURE 2: BM71 MODULE Antenna Power Management Operating Conditions Applications General Description Table of Contents Most Current Data Sheet Errata Customer Notification System 1.0 Device Overview 1.1 Interface Description FIGURE 1-1: BM70 module Block Diagram FIGURE 1-2: BM71 module Block Diagram FIGURE 1-3: BM70BLE01FC2 Pin Diagram FIGURE 1-4: BM70BLES1FC2 Pin Diagram FIGURE 1-5: BM71ble01fc2 Pin Diagram FIGURE 1-6: BM71bles1fc2 Pin Diagram TABLE 1-1: BM70/71 PIN Description TABLE 1-2: BM70/71 module Hardware Features TABLE 1-3: Test Pads Details 2.0 Application Information 2.1 Reference Schematics FIGURE 2-1: BM70BLEs1FC2 Reference circuit FIGURE 2-2: BM70BLEs1FC2 Reference circuit FIGURE 2-3: bm70ble01fc2 reference circuit FIGURE 2-4: bm70ble01fc2 reference circuit FIGURE 2-5: bm71ble01fc2 reference circuit FIGURE 2-6: bm71ble01fc2 reference circuit FIGURE 2-7: bm71bles1fc2 reference circuit FIGURE 2-8: bm71bles1fc2 reference circuit - Optional 2.2 External Configuration and Programming FIGURE 2-9: External Configuration and programming 2.3 Host MCU Interface 2.3.1 Host MCU Interface over UART FIGURE 2-10: bm70 module to MCU interface FIGURE 2-11: bm71 module to MCU interface 2.3.2 UART Ready After External Reset FIGURE 2-12: timing diagram of BM70/71 module UART ready for test mode after reset 2.3.3 UART Ready After Power-on Reset FIGURE 2-13: timing diagram of bm70 module UART ready for test mode after power-on 2.4 Typical Hosted Configuration FIGURE 2-14: bm71 module typical hosted configuration 2.5 Power-Drop Protection FIGURE 2-15: reset circuit block diagram 3.0 Module Configuration 3.1 UART Interface 3.2 Control and Indication I/O Pins TABLE 3-1: Configuration And Indication I/O Assignments For BM70 module TABLE 3-2: Configuration And Indication I/O Assignments For BM71 module 3.3 Reset (RST_N) 3.4 System Configuration TABLE 3-3: System Configuration Settings 4.0 Antenna 4.1 Antenna Characteristics 4.1.1 BM70BLES1FC2 Ceramic Chip Antenna FIGURE 4-1: BM70BLES1FC2 Antenna Radiation Pattern TABLE 4-1: BM70BLES1FC2 Antenna Radiation Pattern details 4.1.2 BM71BLES1FC2 Ceramic Chip Antenna FIGURE 4-2: BM71BLES1FC2 Antenna Radiation Pattern TABLE 4-2: BM71BLES1FC2 Antenna Radiation Pattern details 4.2 Antenna Placement FIGURE 4-3: bm70bles1fc2 Antenna Placement examples FIGURE 4-4: bm71bles1fc2 Antenna Placement examples 4.3 Antenna Considerations TABLE 4-3: BM70BLES1FC2 Antenna details TABLE 4-4: BM71BLES1FC2 Antenna details 4.4 Host PCB Mounting Suggestion 4.4.1 BM70BLES1FC2 Host PCB Mounting FIGURE 4-5: bm70bles1fc2 host PCB mounting suggestion 4.4.2 BM70BLE01FC2 Host PCB Mounting FIGURE 4-6: bm70ble01fc2 host pcb mounting suggestions 4.4.3 BM71BLES1FC2 Host PCB Mounting FIGURE 4-7: BM71BLES1FC2 host mounting suggestion 4.4.4 BM71BLE01FC2 HOST PCB MOUNTING FIGURE 4-8: bm71ble01fc2 host pcb mounting suggestion 5.0 Electrical Characteristics Absolute Maximum Ratings TABLE 5-1: Recommended Operating Conditions TABLE 5-2: RF Specifications 5.1 Current Consumption Details 5.1.1 Tx/Rx current consumption details FIGURE 5-1: Tx/Rx Peak Current Consumption of an Advertising Event FIGURE 5-2: Tx/Rx Average Current Consumption while BM70/71 module is Advertising TABLE 5-3: Bm70/71 application mode current consumption Measurements 6.0 Physical dimensions 6.1 BM70BLES1FC2 FIGURE 6-1: BM70BLES1FC2 Module Dimensions FIGURE 6-2: BM70BLES1FC2 Recommended PCB Footprint 6.2 BM70BLE01FC2 FIGURE 6-3: BM70BLE01FC2 Module Dimensions FIGURE 6-4: BM70BLE01FC2 Recommended PCB Foot print 6.3 BM71BLES1FC2 FIGURE 6-5: BM71BLES1FC2 Module Dimensions FIGURE 6-6: BM71BLES1FC2 Recommended PCB Footprint 6.4 BM71BLE01FC2 FIGURE 6-7: BM71BLE01FC2 Module Dimensions FIGURE 6-8: BM71BLE01FC2 Recommended PCB Footprint 7.0 Soldering Recommendations FIGURE 7-1: Reflow Profile 8.0 Ordering Guide TABLE 8-1: BM70/71 Module Ordering Information Appendix A: Certification Notices TABLE A-1: EUROPEAN COMPLIANCE TESTING (BM70 module) TABLE A-2: EUROPEAN COMPLIANCE TESTING (BM71 module) Appendix B: Revision History Revision A (October 2015) Revision B (October 2015) TABLE B-1: major Section Updates Revision C (November 2015) Revision D (March 2016) TABLE D-1: major Section Updates Revision E (January 2017) TABLE E-1: major Section Updates Revision F (May 2017) TABLE F-1: major Section Updates Revision G (January 2018) TABLE G-1: major Section Updates Revision H (July 2018) TABLE H-1: major Section Updates Revision J (January 2019) TABLE I-1: major Section Updates The Microchip WebSite Customer Change Notification Service Customer Support AMERICAS Corporate Office Atlanta Austin, TX Boston Chicago Dallas Detroit Houston, TX Indianapolis Los Angeles Raleigh, NC New York, NY San Jose, CA Canada - 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