Microchip Technology RN4870/71 Manual
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Microchip Technology RN4870/71 Manual

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Date:
04-Feb-2021
Product Category:
Bluetooth Module
PCN Type:
Document Change
Notification Subject:
Data Sheet - RN4870/71 Bluetooth Low Energy Module Data Sheet
Affected CPNs:
SYST-03YDHP471_Affected_CPN_02042021.pdf
SYST-03YDHP471_Affected_CPN_02042021.csv
Notification Text:
SYST-03YDHP471
Microchip has released a new Product Documents for the RN4870/71 Bluetooth Low Energy Module 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) Added new description for VDD_IO pins in Table 1-2.
2) Added labeling information of Brazil for RN4871 module.
Impacts to Data Sheet: None
Reason for Change: To Improve Manufacturability
Change Implementation Status: Complete
SYST-03YDHP471
.
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Summary of Contents for Microchip Technology RN4870/71

  • Page 1 SYST-03YDHP471_Affected_CPN_02042021.csv Notification Text: SYST-03YDHP471 Microchip has released a new Product Documents for the RN4870/71 Bluetooth Low Energy Module 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) Added new description for VDD_IO pins in Table 1-2.
  • Page 2 Date Document Changes Effective: 04 Feb 2021 NOTE: Please be advised that this is a change to the document only the product has not been changed. Markings to Distinguish Revised from Unrevised Devices: N/A Attachments: Please contact your local with questions or concerns regarding this notification. Terms and Conditions: If you wish to receive Microchip PCNs via email please register for our PCN email service at our select register then fill in the required fields.
  • Page 3 SYST-03YDHP471 - Data Sheet - RN4870/71 Bluetooth Low Energy Module Data Sheet Affected Catalog Part Numbers(CPN) RN4870-I/RM128 RN4870-I/RM130 RN4870-I/RM140 RN4870-V/RM118 RN4870-V/RM140 RN4870U-V/RM118 RN4871-I/RM128 RN4871-I/RM130 RN4871-I/RM140 RN4871-V/RM118 RN4871-V/RM130 RN4871-V/RM140 RN4871U-V/RM118...
  • Page 4 Outputs (only for RN4870) RF/Analog Features Measurements and Phone Module Connection: - RN4870: Up to 50m - RN4871: Up to 10m (RN4870U/RN4871U) Applications MAC/Baseband/Higher Layer Features Profiles Private Services Central and Client or Server 2016-2021 Microchip Technology Inc. DS50002489E-page 1...

  • Page 5: 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. DS50002489E-page 2 2016-2021 Microchip Technology Inc.

  • Page 6: Device Overview

    Overview modules in the RN4870/71 family. Figure 1-1 through The RN4870/71 BLE module integrates Bluetooth 5.0 Figure 1-4 show the pinouts for the different modules. baseband controller, on-board Bluetooth stack, digital and analog I/Os and RF power amplifier into one solution.
  • Page 7 D I/p GPIO; default: Input; pulled high, Configured as the PAIRING_KEY pin by default; SPI SCLK pin. Legend: Pin Type Abbreviations: A = Analog D = Digital I/O = Input/Output I/p = Input O/p = Output DS50002489E-page 4 2016-2021 Microchip Technology Inc.
  • Page 8                                   2016-2021 Microchip Technology Inc. DS50002489E-page 5...
  • Page 9                                   DS50002489E-page 6 2016-2021 Microchip Technology Inc.
  • Page 10 RN4870/71       2016-2021 Microchip Technology Inc. DS50002489E-page 7...
  • Page 11 Set the threshold for the RSSI link quality in EEPROM. Link Drop When the RN4870/71 is connected to a remote device, the host MCU can use the Link Drop pin to force the module to disconnect the link and enter Shutdown state.
  • Page 12 Description Pairing Key When the RN4870/71 is connected to a remote device, the host MCU can use the Pairing Key pin to force the module to disconnect the link and go back to Standby state. The pin must be pulled down for at least 160 ms.
  • Page 13 RN4870/71 NOTES: DS50002489E-page 10 2016-2021 Microchip Technology Inc.

  • Page 14: Specifications

    Input Logic Levels Low 0.3 V Input Logic Levels High 0.7 V Output Logic Levels Low 0.2 V Output Logic Levels High 0.8 V Reset Reset Low Duration Input and Tri-State Current with Pull-up Resistance Pull-Down Resistance 2016-2021 Microchip Technology Inc. DS50002489E-page 11...
  • Page 15 60 at +25°C µA Shutdown Low-Power Mode µA Note 1: The current measurements are characterized across a sample of the RN4870/71 module at room temperature (+25°C), unless otherwise noted. ® For more details on Low-Power mode, refer to the (DS50002466).

  • Page 16: Interface Pins

    Figure 3-2 shows the recommended connections for low-dropout regulator to the RN487X and a host MCU. running the RN4870/71 on a coin cell battery. This scheme ensures that the same voltage is used for both the module and the MCU.
  • Page 17 RN4870/71 FIGURE 3-2: RN4870/71 COIN CELL POWER SCHEME RN4870/71 Reset IC Reset Note 1: Application includes ADC, PWM (RN4870) and I C bus interface. 2: BK_IN connection is needed only for RN4871U. 3: To implement low-power operation, enable the UART_RX_IND pin and connect to ground.

  • Page 18: Physical Dimensions And Attributes

    Ensure that there is no top copper layer near the test away from the ceramic chip antenna. pin area, indicated by the shaded keep out areas, as shown in Figure 4-2. When laying out the host PCB, the FIGURE 4-1: RN4870 MODULE DIMENSIONS 2016-2021 Microchip Technology Inc. DS50002489E-page 15...
  • Page 19 RN4870/71 FIGURE 4-2: RN4870 RECOMMENDED PCB FOOTPRINT FIGURE 4-3: RECOMMENDED MOUNTING DETAILS DS50002489E-page 16 2016-2021 Microchip Technology Inc.
  • Page 20 50 Ohm impedance is performance (best range, lowest noise). Pin 30 (BT_RF) recommended. is a 50 Ohm connection that can be connected to an FIGURE 4-4: RN4870U MODULE DIMENSIONS 2016-2021 Microchip Technology Inc. DS50002489E-page 17...
  • Page 21 RN4870/71 FIGURE 4-5: RN4870U RECOMMENDED PCB FOOTPRINT FIGURE 4-6: RN4870U RECOMMENDED PCB MOUNTING DS50002489E-page 18 2016-2021 Microchip Technology Inc.
  • Page 22                                   2016-2021 Microchip Technology Inc. DS50002489E-page 19...
  • Page 23 RN4870/71 FIGURE 4-8: RN4871 RECOMMENDED PCB FOOTPRINT                    FIGURE 4-9: RN4871 RECOMMENDED PCB MOUNTING SUGGESTION DS50002489E-page 20 2016-2021 Microchip Technology Inc.
  • Page 24 If the microstrip trace is longer, a 50 Ohm impedance is recommended. FIGURE 4-10: RN4871U MODULE DIMENSIONS Side View Top View Bottom View 2016-2021 Microchip Technology Inc. DS50002489E-page 21...
  • Page 25 RN4870/71 FIGURE 4-11: RN4871U RECOMMENDED PCB FOOTPRINT FIGURE 4-12: RN4871U RECOMMENDED PCB MOUNTING DS50002489E-page 22 2016-2021 Microchip Technology Inc.
  • Page 26 Acceptable Lowest Performance Soldering Recommendations The RN4870/71 Bluetooth module is assembled using standard lead-free reflow profile, IPC/JEDEC J-STD-020. The module can be soldered to the host PCB using standard leaded and lead-free solder reflow profiles. To avoid damaging the module, the following...
  • Page 27 RN4870/71 NOTES: DS50002489E-page 24 2016-2021 Microchip Technology Inc.

  • Page 28: Application Reference Circuits

    CIRCUITS Figure 5-2 through Figure 5-5 show the reference circuits for various modules under the RN4870/71 family. In the circuits, the power input range is 1.9V ~ 3.6V. A External Configuration and battery reverse protection circuit is recommended in Programming case a battery power input is used.
  • Page 29                                   DS50002489E-page 26 2016-2021 Microchip Technology Inc.
  • Page 30                                   2016-2021 Microchip Technology Inc. DS50002489E-page 27...
  • Page 31 1.9V, a power supply drop protection protection circuit. circuit is recommended. Essentially, this circuit consists FIGURE 5-6: POWER DROP PROTECTION CIRCUIT       DS50002489E-page 28 2016-2021 Microchip Technology Inc.

  • Page 32: Ascii Command Api

    RN4870/71 ASCII COMMAND API - Create/delete public services/characteristics The RN4870/71 command Application Programming - Read/write characteristic values Interfaces (APIs) are documented in the - Set notification for characteristics ® Bluetooth (DS50002466). - Central, Peripheral, Observer and The following are the available command options and...
  • Page 33 RN4870/71 NOTES: DS50002489E-page 30 2016-2021 Microchip Technology Inc.

  • Page 34: Supported Services

    RN4870 modules can define a custom Nonvolatile Memory (NVM), where the user must set up (private) service with their own unique characteristics. the module only once. Data can be exchanged easily via Command API. 2016-2021 Microchip Technology Inc. DS50002489E-page 31...
  • Page 35 RN4870/71 NOTES: DS50002489E-page 32 2016-2021 Microchip Technology Inc.

  • Page 36: Antenna Characteristics

    FIGURE 8-1: RN4870 ANTENNA PERFORMANCE Parameter Values Frequency 2450 MHz Max Gain 1.63 dBi Efficiency 71.55% Antenna Description Manufacturer Part Number Manufacturer ANT ANT3216A063R2400A ANT3216A063R2400A Yageo Corporation PIFA 2.4GHz L3 2W1.6 2016-2021 Microchip Technology Inc. DS50002489E-page 33...
  • Page 37 RN4870/71 FIGURE 8-2: RN4871 ANTENNA PERFORMANCE Parameter Values Frequency 2442 MHz Max Gain 0.1 dBi Efficiency 42.7% Antenna Description Manufacturer Part Number Manufacturer ANT AANT3216LL00R2400A ANT3216LL00R2400A Yageo Corporation PIFA 2.4GHz L3 2W1.6 DS50002489E-page 34 2016-2021 Microchip Technology Inc.

  • Page 38: Timing Characteristics

    Figure 9-2 shows the timing diagram for (DS50002466). the module when it is powered on. In Application mode, FIGURE 9-1: TIMING DIAGRAM OF RN4870/71 UART READY AFTER RESET (IN TEST AND APPLICATION MODE)     ...
  • Page 39 RN4870/71 FIGURE 9-2: TIMING DIAGRAM OF RN4870/71 UART WHEN POWERED ON (IN TEST AND APPLICATION MODE)                        ...

  • Page 40: Ordering Information

    The last three digits in the P/N indicate the firmware version. At the time of publication, the latest firmware version is 1.30. Ensure to check product webpage for the latest part number and firmware version. Note: Go to http://www.microchip.com for current pricing and a list of distributors carrying Microchip products. 2016-2021 Microchip Technology Inc. DS50002489E-page 37...
  • Page 41 RN4870/71 NOTES: DS50002489E-page 38 2016-2021 Microchip Technology Inc.

  • Page 42: Regulatory Approval

    11.1 United States This exterior label can use wording as follows: For the RN4871 module: The RN4870/71 module has received Federal Communi- cations Commission (FCC) CFR47 Telecommunications, Contains Transmitter Module FCC ID: A8TBM71S2 approval in accordance with Part 15.212 Modular Transmitter approval.
  • Page 43 FCC Office of Engineering and Technology (OET) following measures: Laboratory Division Knowledge Database (KDB): http://apps.fcc.gov/oetcf/kdb/index.cfm 11.2 Canada and receiver. The RN4870/71 module has been certified for use in different from that to which the receiver is Canada under Innovation, Science and Economic connected. Development Canada (ISED,...
  • Page 44 This radio transmitter [IC: 12246A-BM70BLES1F2 The RN4870/71 module has been tested to RED 2014/ and IC: 12246A-BM71S2] has been approved by 53/EU Essential Requirements mentioned in the Innovation, Science and Economic Development following European Compliance table.
  • Page 45 11.3.1 LABELING AND USER 11.4 Japan INFORMATION REQUIREMENTS The label on the final product which contains the The RN4870/71 module has received type certification, RN4870/71 module must follow marking and is labeled with its own technical conformity mark requirements.
  • Page 46 The RN4870 module is labeled with its own NCC ID number, and if the NCC ID is not visible when the The RN4870/71 module has received certification of module is installed inside another device, then the out- conformity in accordance with the Radio Waves Act.
  • Page 47 11.7 China Este producto contém a placa Modelo RN4871 código de homologação ANATEL 02699-19-08759. The RN4870/71 module has received certification of conformity in accordance with the China MIIT Notice 2014-01 of State Radio Regulation Committee (SRRC) 11.9 Other Regulatory Jurisdictions certification scheme.

  • Page 48: Appendix A: Revision History

    Antenna Options. Figure 5-2, Figure 5-3, Figure 5-4 Figure 5-5. Figure 9-1 Figure 9-2 (P2_0 = 1). Section Section Section Revision E (February 2021) Table 1-2. module. Section Section Section Section Section 11.3 Section 2016-2021 Microchip Technology Inc. DS50002489E-page 45...
  • Page 49 RN4870/71 NOTES: DS50002489E-page 46 2016-2021 Microchip Technology Inc.

  • Page 50: The Microchip Website

    Microchip products. Subscribers will receive e-mail notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest. To register, access the Microchip website at www.microchip.com registration instructions. 2016-2021 Microchip Technology Inc. DS50002489E-page 47...
  • Page 51 RN4870/71 NOTES: DS50002489E-page 48 2016-2021 Microchip Technology Inc.

  • Page 52: Product Identification System

    Range: -40 C to +85 C (Industrial) is not printed on the device package. Check with your Microchip Sales Office for package availability with the Tape and Reel option. Package: RM = Radio Module 2016-2021 Microchip Technology Inc. DS50002489E-page 49...
  • Page 53 RN4870/71 NOTES: DS50002489E-page 50 2016-2021 Microchip Technology Inc.
  • Page 54 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 55 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 DS50002489E-page 52 2016-2021 Microchip Technology Inc. 02/28/20...

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Rn4870-i/rm128Rn4870-i/rm130Rn4870-i/rm140Rn4870-v/rm118Rn4870-v/rm140Rn4870u-v/rm118 ... Show all

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