BM78 Bluetooth Dual Mode Module FIGURE 1: BM78 MODULE Features Bluetooth Classic (BR/EDR) and Low Energy (LE) Certified to FCC, ISED, MIC, KCC, SRRC and NCC Radio Regulations Radio Equipment Directive (RED) Assessed Radio Module Bluetooth 5.0 Certified Transparent UART mode for Seamless Serial Data over UART Interface Easy to Configure with User Interface (UI) Tool, a Windows -based Utility or Directly by MCUs Firmware can be Upgraded in the Field over UART (Flash version only) Integral Chip Antenna (BM78SPPS5MC2/NC2) or External Antenna (BM78SPP05MC2/NC2) Integrated Crystal, Internal Voltage Regulator and Matching Circuitry Configurable I/O Pins for Control and Status MAC/Baseband/Higher Layer Supports Apple iPod Accessory Protocol Secure AES128 Encryption (iAP2), (only BM78SPPx5MC2) Bluetooth 3.0: GAP, SPP, SDP, RFCOMM and Supports Bluetooth Low Energy Secure L2CAP Connections Bluetooth Profiles: GAP, GATT, ATT, SMP and Supports Bluetooth Low Energy Data Packet L2CAP Length Extension Small and Compact Surface Mount Module Operating Conditions Castellated Surface Mount Pads for Easy and Reliable Host PCB Mounting Operating Voltage Range: 3.3V to 4.2V Operating Temperature: -20C to +70C Ideal for Portable Battery-Operated Devices One LED Driver with 16-Step Brightness Control Applications RF/Analog Internet of Things (IoT) Secure Payment Frequency Spectrum: 2.402 GHz to 2.480 GHz Receive Sensitivity: -90 dBm (BR/EDR), Home and Security -92 dBm (LE) Health and Fitness Class 2 Output Power (+1.5 dBm typical) Industrial and Data Logger LED Lighting (16 configurations) Data Throughput 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 1BM78 The BM78 module bridges the customer products to General Description smart phones or tablets for convenient data transfer, con- The BM78 module is a fully certified Bluetooth module for trol, access to cloud applications and delivering the local customers to easily add Dual mode Bluetooth wireless connectivity for IoT. The BM78 module supports GAP , capability to their products. The BM78 module is built SDP, SPP and GATT profiles. Data transfer is achieved around Microchips IS1678 Bluetooth Dual mode SoC, through the Bluetooth link by sending or receiving data and it is available in ROM-based (BM78SPPX5NC2) an d through Transparent UART mode, making it easy to inte- Flash-based (BM78SPPX5MC2) versions. Refer to grate with any microprocessor or microcontroller with the Section 9.0 Ordering Information for additiona l 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