RN42/RN42NClass 2 Bluetooth® Module with EDR SupportFeatures • Fully qualified Bluetooth® version 2.1 module, sup- ports version 2.1 + Enhanced Data Rate (EDR) • ASCII command interface over UART • Postage-stamp-sized form factor: - RN42: 13.4 x 25.8 x 2.4 mm - RN42N: 13.4 x 20.5 x 2.4 mm • Low-power (26 A sleep, 3 mA connected, 30 mA transmit) • UART (SPP or HCI) and USB (HCI only) data con- nection interfaces • Sustained SPP data rates: 240 Kbps (Slave mode), 300 Kbps (Master mode) • HCI data rates: 1.5 Mbps sustained, 3.0 Mbps burst in HCI mode • Embedded Bluetooth stack profiles include: GAP, SDP, RFCOMM, L2CAP protocols, with SPP, HID, and DUN profile support (does not require any host Matching Circuitry, Power Amplifier, Low Noise, stack). Memory Amplifier and PCB Antenna • Bluetooth SIG qualified, end product listing • Easy Integration into Final Product - Minimize Prod- • Castel ated SMT pads for easy and reliable PCB uct Development, Quicker Time to Market mounting • Compatible with Microchip Microcontroller Families • Class 2 power amplifier with on-board PCB trace (PIC16F, PIC18F, PIC24F/H, dsPIC33 and PIC32) antenna (RN42) or external antenna (RN42N) • Up to 10 meter range • Compliance (RN42) - Modular Certified for the United States (FCC) Applications and Canada (IC) - European R&TTE Directive Assessed Radio • Cable replacement Module • Barcode scanners - Australia/New Zealand/Japan/Korea/Taiwan • Measurement and monitoring systems - Bluetooth SIG QDID • Industrial sensors and controls • Integrated Crystal, Internal Voltage Regulator, • Medical devices RN42/RN42N Module Variants(1)ModelAntennaFirmwareDescription RN42 Integral 4.77, 6.15 Class 2, 2.1+EDR, SPP profile RN42HCI Integral N/A Class 2, 2.0+EDR, HCI over UART RN42HID Integral 6.11 Class 2, 2.1+EDR, HID and SPP profiles RN42U Integral N/A Class 2, 2.0+EDR, HCI over USB RN42APL Integral 5.36, 5.43, 5.45 Class 2, 2.1+EDR, SPP & MFi profiles RN42N External 4.77, 6.15 Class 2, 2.1+EDR, SPP profile RN42NHCI External N/A Class 2, 2.0+EDR, HCI over UART RN42NHID External 6.11 Class 2, 2.1+EDR, HID and SPP profiles RN42NU External N/A Class 2, 2.0+EDR, HCI over USB RN42NAPL External 5.36, 5.43, 5.45 Class 2, 2.1+EDR, SPP & MFi profiles Note 1: For customer part numbers, see Section 4.0 “Ordering Information” . Information on firmware versions can be found on the RN42/RN42N product web page and the “Bluetooth Data Module Command Reference and Advanced Information User’s Guide”. 2015 Microchip Technology Inc. DS50002328A-page 1 Document Outline Class 2 Bluetooth® Module with EDR Support Table of Contents 1.0 Device Overview 1.1 MCU Interface 1.2 ASCII Command and Data Interface TABLE 1-1: Environmental Conditions TABLE 1-2: Electrical Characteristics TABLE 1-3: Module Dimensions TABLE 1-4: Radio Characteristics TABLE 1-5: Digital I/O Characteristics TABLE 1-6: Pin Description 2.0 Application Information 2.1 Reset Circuit 2.2 Factory Reset Using GPIO4 2.3 Connection Status TABLE 2-1: GPIO5 Status TABLE 2-2: GPIO2 Status 2.4 Module Mounting Details 2.5 External Antenna Types (RN42N) 2.6 HCI Mode 2.7 Soldering Recommendations 2.8 SPI Interface 2.9 Bluetooth SIG QDID 2.10 Application Schematic 3.0 Regulatory Approval 3.1 United States 3.2 Canada 3.3 Europe TABLE 3-1: RN42 European Compliance Testing 3.4 Australia 3.5 New Zealand 3.6 Japan 3.7 Korea 3.8 Taiwan 4.0 Ordering Information TABLE 4-1: Ordering Information(1) Worldwide Sales and Service