RN4678 Bluetooth Dual-Mode Module Features Bluetooth Classic (BR/EDR) and Low Energy (LE) Certified to FCC, ISED, MIC, KCC, NCC, and SRRC Radio Regulations European Radio Equipment Directive (RED) Assessed Radio Module Qualified for Bluetooth SIG v5.0 Core Specification Transparent UART mode for Seamless Serial Data over Bluetooth Classic using Serial Port Profile (SPP), and Bluetooth Low Energy (BLE) using Generic Attribute (GATT) Profile Easily Programmable through ASCII Commands and Easily Configurable with Available PIC MCU Driver Library MAC/Baseband/Higher Layer Features Firmware can be Upgraded in the Field over Secure AES128 Encryption UART (Flash version) Bluetooth Classic: GAP, SPP, SDP, RFCOMM and Integral Chip Antenna (RN4678) L2CAP Integrated Crystal, Internal Voltage Regulator, and Bluetooth Low Energy: GAP, GATT, ATT, SMP Matching Circuitry and L2CAP Available Configurable I/O Pins for Control or Applications Status Indication Internet of Things (IoT) Supports Apple iPod Accessory Protocol Secure Payment (iAP2) (only RN4678APL) Home and Security Supports Bluetooth LE Secure Connections Health and Fitness Bluetooth LE Data Packet Length Extension Industrial and Data Logger Small and Compact Surface Mount Module LED Lighting (16 configurations) Castellated SMT Pads for Easy and Reliable PCB Mounting Description Ideal for Portable Battery-Operated Devices The RN4678 module is a fully certified, Bluetooth v5.0 RF/Analog compliant (BR/EDR/LE) Dual-mode module available Frequency: 2.402 GHz to 2.480 GHz for customers to easily add Dual-mode Bluetooth wireless capability to their products. The RN4678 is RX Sensitivity: -90 dBm (BR/EDR), -92 dBm (LE) built around Microchips IS1678 Bluetooth Dual-mod e Class 2 Output Power (+1.5 dBm typical) chip. Refer to Section 8.0 Ordering Information. Data Throughput The RN4678 provides a convenient method for cable Data Throughput at 1 Mbps UART Baud Rate: replacement for smartphones or tablets for data transfer and control based on the Bluetooth protocols . BR/EDR: up to 32 Kbytes/s Data transfer is achieved through the Bluetooth link by LE: up to 7 Kbytes/s sending or receiving data through SPP in Bluetooth Data Throughput at 115200 bps UART Baud Rate (BT) Classic mode and through Transparent UART i n BR/EDR: up to 10 Kbytes/s the BLE mode. The ASCII interface provides an easy LE: up to 6 Kbytes/s way to learn the operation and to integrate the module with any microprocessor or microcontroller (MCU) with Operating Conditions a UART interface. Operating Voltage Range: 3.3V to 4.2V Operating Temperature Range: -20C to +70C 2016-2020 Microchip Technology Inc. DS50002519E-page 1RN4678 Table of Contents 1.0 Device Overview .......................................................................................................................................................................... 3 2.0 Application Information................................................................................................................................................................. 6 3.0 Electrical Characteristics............................................................................................................................................................ 13 4.0 Radio Characteristics ................................................................................................................................................................. 17 5.0 Physical Dimensions .................................................................................................................................................................. 18 6.0 Reflow profile.............................................................................................................................................................................. 21 7.0 Module Placement...................................................................................................................................................................... 22 8.0 Ordering Information .................................................................................................................................................................. 25 9.0 Regulatory Approval................................................................................................................................................................... 26 Appendix A: Revision History.............................................................................................................................................................. 31 The Microchip WebSite........................................................................................................................................................................ 32 Customer Change Notification Service ................................................................................................................................................ 32 Customer Support................................................................................................................................................................................ 32 Product Identification System .............................................................................................................................................................. 33 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. 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