Datasheet BM70, BM71 (Microchip) - 9
| Manufacturer | Microchip |
| Description | Bluetooth Low Energy (BLE) Module |
| Pages / Page | 70 / 9 — BM70/71. TABLE 1-1:. BM70/71 PIN DESCRIPTION. BM70BLE0 BM70BLE BM71BLE … |
| File Format / Size | PDF / 3.2 Mb |
| Document Language | English |
BM70/71. TABLE 1-1:. BM70/71 PIN DESCRIPTION. BM70BLE0 BM70BLE BM71BLE BM71BLE Pin Name. Type. Description. 1FC2. S1FC2. 01FC2
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BM70/71
Table 1-1 provides pin descriptions of the BM70/71 module.
TABLE 1-1: BM70/71 PIN DESCRIPTION BM70BLE0 BM70BLE BM71BLE BM71BLE Pin Name Type Description 1FC2 S1FC2 01FC2 S1FC2
— 1 — — GND Power Ground reference — 2 — — GND Power Ground reference 1 3 12 13 GND Power Ground reference 2 4 11 14 VBAT Power Battery input. Voltage range: 1.9V to 3.6V — — 10 — BK_IN Power Buck input. Voltage range: 1.9V to 3.6V 3 5 — — P2_2 DIO GPIO, default pull-high input PWM1 4 6 — — VDD_IO Power I/O positive supply. Do not connect. Ensure VDD_IO and MCU I/O voltage are compatible 5 7 — — VDD_IO Power I/O positive supply. Do not connect. Ensure VDD_IO and MCU I/O voltage are compatible 6 8 — — ULPC_O Power 1.2V programmable ULPC LDO output for AON-logic and retention memory sup- ply. Internal use only, do not connect to other devices 7 9 — — P2_3 DI GPIO, default pull-high input PWM2 8 10 — — BK_O Power 1.55V buck output. Internal use only, do not connect to other devices — — 13 6 P1_6 DIO P1_6, when connected to the host MCU, set the MCU pin connected to P1_6 either high impedance or drive pin to low during firmware start-up (approximately 22 msec) — — 14 5 P1_7 DIO P1_7 9 11 15 15 P2_7/TX_ DIO GPIO: P2_7 IND AI ADC Input: AD14 DO TX_IND 10 12 — — P1_1 DIO GPIO: P1_1 AI ADC Input: AD9 11 13 2 3 P1_2 DIO GPIO, default pull-high input AI AD10 12 14 3 4 P1_3 DIO GPIO, default pull-high input AI AD11 13 15 8 11 P0_0 DIO GPIO, default pull-high input AI AD0 DI UART flow-control CTS 14 16 — — P1_0 DIO GPIO, default pull-high input AI AD8 15 17 6 9 P3_6 DIO GPIO, default pull-high input DO PWM0 DO UART flow-control RTS 16 18 16 16 P2_0 DI System configuration, default pull-high input H: Application mode L: Test mode 2015-2019 Microchip Technology Inc. DS60001372J-Page 9 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 - Toronto ASIA/PACIFIC Australia - Sydney China - Beijing China - Chengdu China - Chongqing China - Dongguan China - Guangzhou China - Hangzhou China - Hong Kong SAR China - Nanjing China - Qingdao China - Shanghai China - Shenyang China - Shenzhen China - Suzhou China - Wuhan China - Xian China - Xiamen China - Zhuhai ASIA/PACIFIC India - Bangalore India - New Delhi India - Pune Japan - Osaka Japan - Tokyo Korea - Daegu Korea - Seoul Malaysia - Kuala Lumpur Malaysia - Penang Philippines - Manila Singapore Taiwan - Hsin Chu Taiwan - Kaohsiung Taiwan - Taipei Thailand - Bangkok Vietnam - Ho Chi Minh EUROPE Austria - Wels Denmark - Copenhagen Finland - Espoo France - Paris Germany - Garching Germany - Haan Germany - Heilbronn Germany - Karlsruhe Germany - Munich Germany - Rosenheim Israel - Ra’anana Italy - Milan Italy - Padova Netherlands - Drunen Norway - Trondheim Poland - Warsaw Romania - Bucharest Spain - Madrid Sweden - Gothenberg Sweden - Stockholm UK - Wokingham Worldwide Sales and Service
BM70/71
Table 1-1 provides pin descriptions of the BM70/71 module.
TABLE 1-1: BM70/71 PIN DESCRIPTION BM70BLE0 BM70BLE BM71BLE BM71BLE Pin Name Type Description 1FC2 S1FC2 01FC2 S1FC2
— 1 — — GND Power Ground reference — 2 — — GND Power Ground reference 1 3 12 13 GND Power Ground reference 2 4 11 14 VBAT Power Battery input. Voltage range: 1.9V to 3.6V — — 10 — BK_IN Power Buck input. Voltage range: 1.9V to 3.6V 3 5 — — P2_2 DIO GPIO, default pull-high input PWM1 4 6 — — VDD_IO Power I/O positive supply. Do not connect. Ensure VDD_IO and MCU I/O voltage are compatible 5 7 — — VDD_IO Power I/O positive supply. Do not connect. Ensure VDD_IO and MCU I/O voltage are compatible 6 8 — — ULPC_O Power 1.2V programmable ULPC LDO output for AON-logic and retention memory sup- ply. Internal use only, do not connect to other devices 7 9 — — P2_3 DI GPIO, default pull-high input PWM2 8 10 — — BK_O Power 1.55V buck output. Internal use only, do not connect to other devices — — 13 6 P1_6 DIO P1_6, when connected to the host MCU, set the MCU pin connected to P1_6 either high impedance or drive pin to low during firmware start-up (approximately 22 msec) — — 14 5 P1_7 DIO P1_7 9 11 15 15 P2_7/TX_ DIO GPIO: P2_7 IND AI ADC Input: AD14 DO TX_IND 10 12 — — P1_1 DIO GPIO: P1_1 AI ADC Input: AD9 11 13 2 3 P1_2 DIO GPIO, default pull-high input AI AD10 12 14 3 4 P1_3 DIO GPIO, default pull-high input AI AD11 13 15 8 11 P0_0 DIO GPIO, default pull-high input AI AD0 DI UART flow-control CTS 14 16 — — P1_0 DIO GPIO, default pull-high input AI AD8 15 17 6 9 P3_6 DIO GPIO, default pull-high input DO PWM0 DO UART flow-control RTS 16 18 16 16 P2_0 DI System configuration, default pull-high input H: Application mode L: Test mode 2015-2019 Microchip Technology Inc. DS60001372J-Page 9 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 - Toronto ASIA/PACIFIC Australia - Sydney China - Beijing China - Chengdu China - Chongqing China - Dongguan China - Guangzhou China - Hangzhou China - Hong Kong SAR China - Nanjing China - Qingdao China - Shanghai China - Shenyang China - Shenzhen China - Suzhou China - Wuhan China - Xian China - Xiamen China - Zhuhai ASIA/PACIFIC India - Bangalore India - New Delhi India - Pune Japan - Osaka Japan - Tokyo Korea - Daegu Korea - Seoul Malaysia - Kuala Lumpur Malaysia - Penang Philippines - Manila Singapore Taiwan - Hsin Chu Taiwan - Kaohsiung Taiwan - Taipei Thailand - Bangkok Vietnam - Ho Chi Minh EUROPE Austria - Wels Denmark - Copenhagen Finland - Espoo France - Paris Germany - Garching Germany - Haan Germany - Heilbronn Germany - Karlsruhe Germany - Munich Germany - Rosenheim Israel - Ra’anana Italy - Milan Italy - Padova Netherlands - Drunen Norway - Trondheim Poland - Warsaw Romania - Bucharest Spain - Madrid Sweden - Gothenberg Sweden - Stockholm UK - Wokingham Worldwide Sales and Service
