Datasheet BM70, BM71 (Microchip)

FabricanteMicrochip
DescripciónBluetooth Low Energy (BLE) Module
Páginas / Página70 / 1 — BM70/71. Bluetooth® Low Energy (BLE) Module. Features. FIGURE 1:. BM70 …
Formato / tamaño de archivoPDF / 3.2 Mb
Idioma del documentoInglés

BM70/71. Bluetooth® Low Energy (BLE) Module. Features. FIGURE 1:. BM70 MODULE. FIGURE 2:. BM71 MODULE. RF Features. Antenna

Datasheet BM70, BM71 Microchip

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BM70/71 Bluetooth® Low Energy (BLE) Module Features FIGURE 1: BM70 MODULE
• Qualified for Bluetooth SIG v5.0 core specification • Certified to FCC, ISED, MIC, KCC, NCC, and SRRC radio regulations • Certified by European RED Assessed Radio module • Compliant to RoHS • Supports UART interface • Supports transparent UART data service of BLE • The BM70 module supports 3-channel pulse- width modulation (PWM) and the BM71 module supports 1-channel PWM • Supports Precision Temperature Sensor (PTS) for ambient temperature detection • Supports 12-bit ADC (ENOB=10 or 8 bits) for
FIGURE 2: BM71 MODULE
battery and voltage detection • Provides 8-channel ADC for the BM70 module and 5-channel ADC for the BM71 module • Features 18 general purpose I/O (GPIO) pins for the BM70 module and 9 GPIO pins for the BM71 module • Features integrated 32 MHZ crystal • Smal and compact surface mount module • Castellated surface mount pads for easy and reliable host PCB mounting
RF Features
• ISM band 2.402 GHz to 2.480 GHz operation
Antenna
• Channels: 0 to 39 • Chip antenna (BM7xBLES1FC2) range based on • Receive Sensitivity: typical -90 dBm (LE) open air measurement and phone-module • Transmit Power: 0 dBm (typical) connection: • Received Signal Strength Indication (RSSI) - BM70: up to 50m monitor with 1 dB resolution - BM71: up to 10m • External antenna (BM7xBLE01FC2) connection
MAC/Baseband/Higher Layer Features
through RF pad • Secure AES128 encryption
Power Management
• GAP, GATT, SMP, L2CAP and integrated public profile support • Two low power modes supported, with wake up • To create custom GATT services, refer to the through GPIO or internal timer “BM70/71 Bluetooth® Low Energy Module User’s • Average current: Tx=3.3 mA and Rx=3.2 mA with Guide” (DS50002542) for details. buck at 3.0V VBAT input and 18.75 ms connection • Configurable role as peripheral/central, client/ interval, when transmitting full data packets to server achieve a data rate of approximately 8.6 kbps  2015-2019 Microchip Technology Inc. DS60001372J-Page 1 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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