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Product Change Notification /
Date:
09-Mar-2021
Product Category:
Bluetooth Module
PCN Type:
Document Change
Notification Subject:
Data Sheet - BM78 Bluetooth Dual-Mode Data Sheet
Affected CPNs:
SYST-08ESNT900_Affected_CPN_03092021.pdf
SYST-08ESNT900_Affected_CPN_03092021.csv
Notification Text:
SYST-08ESNT900
Microchip has released a new Product Documents for the BM78 Bluetooth Dual-Mode Data Sheet of devices. If you are using one of
these devices please read the document located at
Notification Status: Final
Description of Change:
1. Updated Table 1-1.
2. Updated A.2.1 "Labeling and User Information Requirements" and A.3 "Europe".
3. Added A.4.1 "Labeling and User Information Requirements" and A.2.3 "Approved Antennas".
4. Updated with the new terminologies. For more details, see the following note.
Note: Microchip is aware that some terminologies used in the technical documents and existing software codes
of this product are outdated and unsuitable. This document may use these new terminologies, which may or may
not reflect on the source codes, software GUIs and the documents referenced within this document. The
following table shows the relevant terminology changes made in this document.
Table D-1: TERMINOLOG RELATES CHANGES
SYST-08ESNT900
BM78 Bluetooth Dual-Mode Data Sheet
.
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Summary of Contents for Microchip Technology BM78SPP05MC2-0001AA

  • Page 1 Product Change Notification / SYST-08ESNT900 Date: 09-Mar-2021 Product Category: Bluetooth Module PCN Type: Document Change Notification Subject: Data Sheet - BM78 Bluetooth Dual-Mode Data Sheet Affected CPNs: SYST-08ESNT900_Affected_CPN_03092021.pdf SYST-08ESNT900_Affected_CPN_03092021.csv Notification Text: SYST-08ESNT900 Microchip has released a new Product Documents for the BM78 Bluetooth Dual-Mode Data Sheet of devices. If you are using one of these devices please read the document located at BM78 Bluetooth Dual-Mode Data Sheet Notification Status: Final...
  • Page 2 Old Terminology New Terminology Description Master Central Table 4-6 updated with new terminology change Slave Peripheral Table 4-6 updated with new terminology change Impacts to Data Sheet: None Reason for Change: To Improve Productivity Change Implementation Status: Complete Date Document Changes Effective: 9 Mar 2021 NOTE: Please be advised that this is a change to the document only the product has not been changed.
  • Page 3 SYST-08ESNT900 - Data Sheet - BM78 Bluetooth Dual-Mode Data Sheet Affected Catalog Part Numbers (CPN) BM78SPP05MC2-0001AA BM78SPP05MC2-0002AA BM78SPP05MC2-0004AA BM78SPP05MC2-0006AA BM78SPP05MC2-F004AA BM78SPP05MC2-F004AS BM78SPP05MC2-T0A1AA BM78SPP05NC2-0001AA BM78SPP05NC2-0002AA BM78SPPS5MC2-0001AA BM78SPPS5MC2-0002AA BM78SPPS5MC2-0004AA BM78SPPS5MC2-0006AA BM78SPPS5NC2-0001AA BM78SPPS5NC2-0002AA Date: Monday, March 08, 2021...
  • Page 4 Data Throughput at 1 Mbps UART Baud Rate: • BR/EDR: up to 32 Kbytes/s • LE: up to 7 Kbytes/s Data Throughput at 115200 bps UART Baud Rate: • BR/EDR: up to 10 Kbytes/s • LE: up to 6 Kbytes/s  2016-2021 Microchip Technology Inc. DS60001380D-Page 1...
  • Page 5 Section 9.0 “Ordering Information” for additional UART interface. It also enables an easy configuration by information on the BM78 Stock Keeping Units (SKUs). using a UI tool, a Windows-based utility, or directly through UART by MCUs.  2016-2021 Microchip Technology Inc. DS60001380D-Page 2...
  • Page 6: Table Of Contents

    When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you are using. Customer Notification System Register on our website at www.microchip.com to receive the most current information on all of our products.  2016-2021 Microchip Technology Inc. DS60001380D-Page 3...
  • Page 7: System Overview

    IS1678 S/SM 16 MHz LDO18_O and RF LDO1V8_OUT Crystal VDD_IO VDDIO RST_N RST_N Core 320 KB ROM WAKE_UP WAKE_UP 28 KB SRAM GPIO LED Driver LED1 4 Mbit Flash (IS1678SM HOST UART EEPROM  2016-2021 Microchip Technology Inc. DS60001380D-Page 4...
  • Page 8 • Test mode (to change EEPROM values) • Write Flash mode (to download the firmware into the module) Refer to Table 2-1. Legend: A = Analog D = Digital I = Input O = Output  2016-2021 Microchip Technology Inc. DS60001380D-Page 5...
  • Page 9 LED driver, connect to LDO33_0 Power Ground reference — BT_RF External antenna connection (50 Ohm) — Power Ground reference — Power Ground reference Legend: A = Analog D = Digital I = Input O = Output  2016-2021 Microchip Technology Inc. DS60001380D-Page 6...
  • Page 10 BM78 Figure 1-2 Figure 1-3 illustrate the pin diagrams of the BM78SPPS5MC2/NC2 and BM78SPP05MC2/NC2 modules. FIGURE 1-2: BM78SPPS5MC2/NC2 PIN DIAGRAM  2016-2021 Microchip Technology Inc. DS60001380D-Page 7...
  • Page 11 BM78 FIGURE 1-3: BM78SPP05MC2/NC2 PIN DIAGRAM  2016-2021 Microchip Technology Inc. DS60001380D-Page 8...
  • Page 12: Application Information

    The RTS pin can only be assigned to P0_0 and the CTS pin can only be assigned to P1_7. The RTS and CTS pins can be configured as GPIOs if flow control is disabled.  2016-2021 Microchip Technology Inc. DS60001380D-Page 9...
  • Page 13 Power-on (default setting) and Deep Sleep state. HH status should be stable for at least 500 ms. Access state. Link state (UART data transmitting). Link state (no UART data transmitted). Legend: L = Low H = High  2016-2021 Microchip Technology Inc. DS60001380D-Page 10...
  • Page 14 Power Tree Figure 2-1 illustrates the power tree diagram of the BM78 module. FIGURE 2-1: POWER TREE DIAGRAM BAT_IN 3.3V to 4.2V PMULDO LDO18_EN LDO18 1.8V PMU Logic SW_BTN VDD_IO 3.3V LDO33 EEPROM  2016-2021 Microchip Technology Inc. DS60001380D-Page 11...
  • Page 15 2: Time duration (475 ms) is for reference purposes only; the host MCU must check the status pin. 3: Reset pin is not connected. 4: The timing data correspond to the BM78SPPX5NC2 (ROM variant) module.  2016-2021 Microchip Technology Inc. DS60001380D-Page 12...
  • Page 16 SW_BTN TIMING (LOW) AT LINK STATES ® Note 1: Time duration (830 ms) is a typical value measured on iPhone 6, which can vary from one smartphone to another. Reset pin is not connected.  2016-2021 Microchip Technology Inc. DS60001380D-Page 13...
  • Page 17 WAKE-UP TIME Note 1: Time duration (85 ms) is for reference purposes only; the host MCU must check the status pin. 2: Refer to Table 2-4 for the status of the P0_4/P1_5 pin.  2016-2021 Microchip Technology Inc. DS60001380D-Page 14...
  • Page 18 Manual Pattern mode, refer to Section 3.0 “Operating Modes” and “IS1678 UART Command Set User Guide”. Time duration (350 ms) is for reference purposes only; the host MCU must check the status pin.  2016-2021 Microchip Technology Inc. DS60001380D-Page 15...
  • Page 19 The maximum current sourcing for the LED is 5 mA and • Inquiry it provides 16 options (steps) to trim the brightness. The LED brightness can be configured using the UI • Link tool, a Windows-based utility. FIGURE 2-7: LED DRIVER  2016-2021 Microchip Technology Inc. DS60001380D-Page 16...
  • Page 20 VDD_IO pin and 50 mA. FIGURE 2-8: POWER AND MCU INTERFACE EXAMPLE FOR BM78 MODULE Note 1: Ensure that VDD_IO and MCU VDD voltages are compatible. 2: The control and indication ports are configurable.  2016-2021 Microchip Technology Inc. DS60001380D-Page 17...
  • Page 21 2.10 Reference Circuit Figure 2-9 through Figure 2-12 illustrate the reference schematic of the power supply design implemented for the BM78 module. FIGURE 2-9: BM78SPP05MC2/NC2 REFERENCE CIRCUIT ANT1 ANT-ISSC RF-TP5 FP-BM77SPP BT_RF BAT_IN BAT_IN NP-0402 NP-0402 SW_BTN SW_BTN LED1 P3_7 LDO33_O P3_7 10µ/16V...
  • Page 22 FIGURE 2-10: BM78SPP05MC2/NC2 REFERENCE CIRCUIT RESET SW_BTN P3_7 P3_4 P3_3 P3_2 P3_1 20K/1% Functional GPIO RST_N P0_5 P0_0 P1_7 TS08M-PF SW_BTN Status_IND BAT_IN P0_4 WAKE-UP P1_5 PS-5177 Push-on : pin 2-3 UART CTS / RTS P0_0 WAKEUP P1_7 Push-off : pin 1-2 TS08M-PF UART TXD / RXD External I...
  • Page 23 FIGURE 2-11: BM78SPPS5MC2/NC2 REFERENCE CIRCUIT FP-BM78SPPA BAT_IN BAT_IN SW_BTN SW_BTN LED1 P3_7 LDO33_O P3_7 10µ/16V LDO33_O P3_6 VDD_IO P3_6 P3_4 LDO18_O P3_4 WAKEUP P3_3 WAKEUP P3_3 P3_2 PMULDO_O P3_2 P0_4 P3_1 P0_4 P3_1 P1_5 P1_5 HCI_TXD P1_2 P12 / SCL HCI_RXD P1_3 P13 / SDA...
  • Page 24 FIGURE 2-12: BM78SPPS5MC2/NC2 REFERENCE CIRCUIT RESET SW_BTN P3_7 P3_4 P3_3 P3_2 P3_1 20K/1% Functional GPIO RST_N P0_5 P0_0 P1_7 TS08M-PF SW_BTN Status_IND BAT_IN P0_4 WAKE-UP P1_5 PS-5177 Push-on : pin 2-3 UART CTS / RTS P0_0 WAKEUP P1_7 Push-off : pin 1-2 TS08M-PF UART TXD / RXD External I...
  • Page 25: Operating Modes

    EEPROM values, the module must be placed in the “Write EEPROM and Test mode” through the pins, P2_0, P2_4 and EAN. FIGURE 3-1: OPERATING MODE CONFIGURATION Is Auto-Pattern turned on?  2016-2021 Microchip Technology Inc. DS60001380D-Page 22...
  • Page 26 Microchip website. This tool at: www.microchip.com/BM78. implements communication protocol Auto-Pattern mode. It also provides a fast and easy way to test the functions and options available in the Auto-Pattern mode.  2016-2021 Microchip Technology Inc. DS60001380D-Page 23...
  • Page 27 To evaluate and test the BM78 module in Manual Pat- website at: www.microchip.com/BM78. tern mode, download and install the Manual Pattern tool (Windows-based GUI emulation tool), which is available from the Microchip website. This tool implements the  2016-2021 Microchip Technology Inc. DS60001380D-Page 24...
  • Page 28: Electrical Characteristics

    The functional operation of the device at those or any other conditions, and those indicated in the operation listings of this specification, is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.  2016-2021 Microchip Technology Inc. DS60001380D-Page 25...
  • Page 29 — μA Quiescent Current (V = 3.6V) — — With 1 μF capacitor at PMULDO_O as the condition for IP verification. Note 1: Output voltage can be calibrated by using the MP tool.  2016-2021 Microchip Technology Inc. DS60001380D-Page 26...
  • Page 30 Sniff interval = 500 ms Data, Central 10.67 Data transmitted at 115200 bps, block size = 500 Note 1: Classic BR/EDR and RX_IND functions are enabled. The data correspond to the BM78SPPX5NC2 (ROM variant).  2016-2021 Microchip Technology Inc. DS60001380D-Page 27...
  • Page 31 Connection interval = 200 ms Connected (module to iPhone 6) Connection interval = 500 ms Connection interval = 200 ms Note 1: Low energy, RX_IND function is enabled. The data correspond to the BM78SPPX5NC2 (ROM variant).  2016-2021 Microchip Technology Inc. DS60001380D-Page 28...
  • Page 32: Radio Characteristics

    Typical Max. Unit Specification BDR Sensitivity — — EDR 2M Sensitivity — — ≤-70 EDR 3M Sensitivity — — LE Sensitivity — — Note: Test condition: VCC RF = 1.80V, temperature = +25ºC.  2016-2021 Microchip Technology Inc. DS60001380D-Page 29...
  • Page 33: Physical Dimensions

    BM78 PHYSICAL DIMENSIONS Figure 6-1 illustrates the physical dimensions of the BM78SPPS5MC2/NC2 module. FIGURE 6-1: BM78SPPS5MC2/NC2 MODULE DIMENSIONS  2016-2021 Microchip Technology Inc. DS60001380D-Page 30...
  • Page 34 BM78 Figure 6-2 illustrates the recommended host PCB footprint. FIGURE 6-2: BM78SPPS5MC2/NC2 RECOMMENDED PCB FOOTPRINT  2016-2021 Microchip Technology Inc. DS60001380D-Page 31...
  • Page 35 31 mm away from the ceramic chip designing the host PCB, the areas under the antenna antenna. should not contain any top, inner or bottom copper FIGURE 6-3: BM78SPPS5MC2/NC2 HOST PCB MOUNTING SUGGESTION  2016-2021 Microchip Technology Inc. DS60001380D-Page 32...
  • Page 36 BM78 Figure 6-4 illustrates the physical dimensions of the BM78SPP05MC2/NC2 module. FIGURE 6-4: BM78SPP05MC2/NC2 MODULE DIMENSIONS  2016-2021 Microchip Technology Inc. DS60001380D-Page 33...
  • Page 37 BM78 Figure 6-5 illustrates the recommended host PCB footprint. FIGURE 6-5: BM78SPP05MC2/NC2 RECOMMENDED PCB FOOTPRINT  2016-2021 Microchip Technology Inc. DS60001380D-Page 34...
  • Page 38 (BT_RF) is a 50 Ohm connection to an external longer, it must be a 50 Ohm impedance. antenna connector, PCB trace antenna or component (ceramic chip) antenna through a host PCB with FIGURE 6-6: BM78SPP05MC2/NC2 HOST PCB MOUNTING SUGGESTION  2016-2021 Microchip Technology Inc. DS60001380D-Page 35...
  • Page 39: Reflow Profile Module

    - Cycle interval: 5 minutes • Use only one flow. If the PCB requires multiple Figure 7-1 illustrates the reflow profile of the BM78 flows, apply the module on the final flow. module. FIGURE 7-1: REFLOW PROFILE  2016-2021 Microchip Technology Inc. DS60001380D-Page 36...
  • Page 40: Module Placement Guidelines

    PCB with the ground plane. FIGURE 8-1: MODULE PLACEMENT EXAMPLES TABLE 8-1: RECOMMENDED ANTENNA Description Manufacturer Part Number Manufacturer ANT ANT3216A063R2400A, PIFA, 2.4 GHz, L3.2W1.6 ANT3216A063R2400A Yageo Corp.  2016-2021 Microchip Technology Inc. DS60001380D-Page 37...
  • Page 41 FIGURE 8-2: KEEP OUT AREA RECOMMENDED FOR ANTENNA Note: For additional information on free space for antenna placement design, refer to the antenna manufacturer’s design rule document.  2016-2021 Microchip Technology Inc. DS60001380D-Page 38...
  • Page 42 BM78SPPS5MC2/NC2. FIGURE 8-3: BM78SPPS5MC2/NC2 ANTENNA RADIATION PATTERN TABLE 8-2: ANTENNA RADIATION PATTERN DETAILS Parameter Values Frequency 2450 MHz Peak Gain 1.63 dBi Efficiency 71.55%  2016-2021 Microchip Technology Inc. DS60001380D-Page 39...
  • Page 43: Ordering Information

    ORDERING INFORMATION Table 9-1 provides the various SKUs of the BM78 module. TABLE 9-1: BM78 MODULE SKUs Device Microchip IC Antenna Description Shield Regulatory Certification Ordering Number ® BM78SPPS5MC2 IS1678SM-151 On-Board Bluetooth Dual mode, Class 2, Flash variant FCC, ISED, CE, MIC, KCC, BM78SPPS5MC2-0002AA NCC, SRRC BM78SPP05MC2...
  • Page 44: Appendix A: Certification Notices

    Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.  2016-2021 Microchip Technology Inc. DS60001380D-Page 41...
  • Page 45 Certification and must not be co-located or operating in uous location in the user manual or alternatively, on the conjunction with any other antenna or transmitters device or both: within a host device, except in accordance with FCC multitransmitter product procedures.  2016-2021 Microchip Technology Inc. DS60001380D-Page 42...
  • Page 46 RSS-102 - Radio Frequency (RF) Exposure Compli- demonstrating compliance of the final ance Radio Communication Apparatus (All product with the essential requirements Frequency Bands). against the RED.  2016-2021 Microchip Technology Inc. DS60001380D-Page 43...
  • Page 47 A.4.1 LABELING AND USER Conformity INFORMATION REQUIREMENTS Hereby, Microchip Technology Inc. declares that the The label on the final product which contains the BM78 radio equipment type BM78/BM78 ROM is in compliance module must follow Japan marking requirements. The with Directive 2014/53/EU.
  • Page 48 Act. Customers seeking to use the compliance approval The BM78/BM78 ROM module has received certifica- in their product must contact Microchip Technology Inc. tion of conformity in accordance with the China MIIT sales or distribution partners to obtain a Letter of Notice 2014-01 of State Radio Regulation Committee Authority.
  • Page 49 CMIIT ID: 2018DJ3812 http://www.microchip.com/design-centers/ wireless-connectivity. • Should other regulatory jurisdiction certification be required by the customer, or the customer needs to recertify the module for other reasons, contact Microchip for the required utilities and documentation.  2016-2021 Microchip Technology Inc. DS60001380D-Page 46...
  • Page 50: Appendix B: Revision History

    9.0“Ordering Information” Updated Table 9-1 with certification information and added two part numbers. Appendix A:“Certification Notices” Updated this section. Revision A (January 2016) • This is the initial released version of this document.  2016-2021 Microchip Technology Inc. DS60001380D-Page 47...
  • Page 51 To register, access the Microchip website at www.microchip.com. Under “Support”, click on “Customer Change Notification” and follow the registration instructions.  2016-2021 Microchip Technology Inc. DS60001380D-page 48...
  • Page 52 Technology, and Symmcom are registered trademarks of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies....
  • Page 53 New York, NY Tel: 46-31-704-60-40 Tel: 631-435-6000 Sweden - Stockholm San Jose, CA Tel: 46-8-5090-4654 Tel: 408-735-9110 UK - Wokingham Tel: 408-436-4270 Tel: 44-118-921-5800 Canada - Toronto Fax: 44-118-921-5820 Tel: 905-695-1980 Fax: 905-695-2078  2016-2021 Microchip Technology Inc. DS60001380D-page 50 02/28/20...

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