Bluetooth 5 enabled   nRF52 series-basedBluetooth® low energy module

  • 4 times the distance in the long range
    Equipped with orientation detection function

    Bluetooth5 enabled module MK71511

    MK71511

    Module

    Abundant memory capacity
    Also supports Bluetooth mesh

    Bluetooth5 enabled module MK71521

    MK71521

    Module

  • Compact and space-saving,
    ideal for initial evaluation

    Bluetooth5 enabled module Evaluation kit MK715x1EK1

    MK715x1EK1

    Small and simple type
    Evaluation kit

    Various shields of
    Arduino Uno R3 can be used

    Bluetooth5 enabled module Evaluation kit MK715x1EK1A

    MK715x1EK1A

    Arduino pin compatible type
    Evaluation kit

lapis_logo

Bluetooth 5 enabled   nRF52 series-based
Bluetooth® low energy
module

MK71511 / MK71521   3 features

Feature.1Adoption of Industrial use

High-Reliability Design for using a long time

MK715x1 is high-reliability designed for using a long time, considering industrial use.

Feature.2Applicable to Inexpensive 2-layer board

Applicable to Inexpensive 2-layer board

MK715x1 has unique pad allocation that supports wiring all 32 signals on 2-layer board and downsizing module at the same time.
Then PCB cost that is mounted module will be reduced.

Feature.3Software writing service

Software writing service

It's writing application software that is developed by user into MK715x1 and shipping.
Please contact sales office to ask order condition and detail when you'd like to use this service.

Expanding application by Bluetooth 5 

Data transfer

DATA TRANSFER

Data transfer
Sports & Fitness

Sports & Fitness

Bluetooth technology is used for wearable devices like fitness trackers and smart watches that are woan to monitor steps, exercise, and activity.

Health & Wellness

Health & Wellness

Bluetooth technology contributes providing quality care that is helthcare at home and improvement of operational efficiency in a medical setting about blood pressure monitors and electrocardiograph,etc.

PC Peripherals & Accessories

PC Peripherals & Accessories

Bluetooth technology contributed freedom from wires of a keyboard and mouse of computers.

Location services

LOCATION SERVICE

Location services
Point Of Interrest

Point Of Interrest

Retailers adopted point of interest (PoI) information beacons early, but Bluetooth technology is expected of smart buildings, smart industry, and smart cities, to become more convenience for citizens.

Item Finding

Item Finding

Consumers, who are attaching Bluetooth tags to keys, wallets, purses, and other personal property, increased. When an item with a tag is misplaced, the user launches an application on their smartphone to locate it.

Asset Tracking

Asset Tracking

Bluetooth technology is rapidly adopted in real-time location services (RTLS) solutions used for tracking people and assets, like locating tools and workers in a warehouse or medical devices and patients in a hospital.

Way Finding

Way Finding

Bluetooth indoor positioning systems (IPS) contributed helping visitors navigate their way through complex facilities where is uncovered by GPS, from airports and train stations to museums and stadiums.

Device network

DEVICE NETWORK

Device network
Control Systems

Control Systems

Bluetooth mesh networking is quickly being adopted as the wireless communications platform of many control systems, like advanced lighting systems for the smart building and smart industry.

Monitoring Systems

Monitoring Systems

Bluetooth wireless sensor networks (WSN) contributed improvement employee productivity, lower building operating costs to monitor light, temperature, humidity, and occupancy and maintain equipment on the basis of monitring results.

Automation Systems

Automation Systems

Bluetooth technology contributed harness energy savings, lower operating costs of building to be adopted the automation of a building’s HVAC (heating, ventilation and air conditioning), lighting, and security, etc.

Overview 

MK71511 / MK71521 integrates nRF52 series IC (nordic) that in No.1 share in industry

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MK71511 / MK71521

MK71511 / MK71521

All in One module integrated all necessary peripheral cuircuit.
This is recommended for users who focus on consumption current.

MK71511A / MK71521A

MK71511A / MK71521A

Crystal for low power clock isn't integrated to reduce module cost.
This is recommended for users who focus on low cost rather than consumption current.

  • Bluetooth v5.2 PHY component certified
  • QDID : 146733 (MK71511 / MK71511A)
    146740 (MK71521 / MK71521A)
  • Radio law certified
  • Japan : 006-000797 (MK71511) / 006-000799 (MK71511A)
    006-000798 (MK71521) / 006-000800 (MK71521A)
  • FCC : 2ACIJ71511 (MK71511 / MK71511A)
    2ACIJ71521 (MK71521 / MK71521A)
  • ISED : 20971-71511 (MK71511 / MK71511A)
    20971-71521 (MK71521 / MK71521A)
  • CE (RED : Radio Equipment Directive) : EN300 328 V2.2.2
  • All in One module
  • DCDC converter with loading circuit
  • Low Power Clock (MK71511 / MK71521)
  • Bypass condencer for power supply
  • Share No.1 Bluetooth 5 Chip is integrated
  • MK71511 / MK71511A : nRF52811 (Nordic Semiconductor)
  • MK71521 / MK71521A : nRF52832 (Nordic Semiconductor)
  • Powerful CPU core
  • MK71511 / MK71511A : Arm® Cortex®-M4 Processor (64MHz)
  • MK71521 / MK71521A : Arm® Cortex®-M4 Processor with FPU (64MHz)
  • Bluetooth v5.2 PHY component certified
  • QDID : 146733 (MK71511 / MK71511A)
    146740 (MK71521 / MK71521A)
  • Radio law certified
  • Japan : 006-000797 (MK71511) / 006-000799 (MK71511A)
    006-000798 (MK71521) / 006-000800 (MK71521A)
  • FCC : 2ACIJ71511 (MK71511 / MK71511A)
    2ACIJ71521 (MK71521 / MK71521A)
  • ISED : 20971-71511 (MK71511 / MK71511A)
    20971-71521 (MK71521 / MK71521A)
  • CE (RED : Radio Equipment Directive) : EN300 328 V2.2.2
  • All in One module
  • DCDC converter with loading circuit
  • Low Power Clock (MK71511 / MK71521)
  • Bypass condencer for power supply
  • Share No.1 Bluetooth 5 Chip is integrated
  • MK71511 / MK71511A : nRF52811 (Nordic Semiconductor)
  • MK71521 / MK71521A : nRF52832 (Nordic Semiconductor)
  • Powerful CPU core
  • MK71511 / MK71511A : Arm® Cortex®-M4 Processor (64MHz)
  • MK71521 / MK71521A : Arm® Cortex®-M4 Processor with FPU (64MHz)

Selection  

1. Hardware Selection

 Features
Product NameMK 71511MK 71511AMK 71521MK 71521A
Bluetooth SIG Certifiedv5.2
Bluetooth ICnRF52811 (Nordic Semiconductor)nRF52832 (Nordic Semiconductor)
Dimension9.7mm(W) × 13.4mm(H) × 2.0mm(D)
Package54pin LGA pin compatible
Core CPUArm Cortex-M4 Processor
64MHz
Arm Cortex-M4 Processor with FPU
64MHz
Flash ROM192KB512KB
RAM24KB64KB
Max.Transmittion Power+4dBm
Sensitivity (1Mbps)-97dBm-96dBm
Crystal32MHz & 32.768kHz32MHz32MHz & 32.768kHz32MHz
  Interface
Product NameMK 71511MK 71511AMK 71521MK 71521A
GPIO30323032
SPI2ch (Master/Slave)3ch (Master/Slave)
UART1 (to 1,000kbps)
I2C1ch (Master/Slave)2ch (Master/Slave)
I2S 2ch (Master/Slave)
PWM4ch3 × 4ch
ADC8ch (12bit、200kHz)
NFC 

2. Software Selection

 SoftDevice (Protocol) by Nordic semiconductor
Product NameMK71511 / MK71511AMK71521 / MK71521A
SoftDeviceS140 (v7.0.1)S112 (v7.0.1)S113 (v7.0.1)S132 (v7.0.1)S112 (v7.0.1)S113 (v7.0.1)
Bluetooth SIG Certifiedv5.1 (As of April 2020)
2M PHY
LE Secure Connections
Privacy1.2
Long Range     
Advertising Extension    
Multi Connection204 (peripheral)4 (peripheral)204 (peripheral)4 (peripheral)
LE Data Packet Length Extension  
Mesh Multi Protocol TBDTBD
Direction Finding      
necessary Flash ROM*156 KB100 KB112 KB152 KB100 KB112 KB
necessary RAM*7.2 KB5.2 KB5.9 KB7.0 KB5.2 KB5.9 KB

* : necessary memory size is at the case of a minimum system.

Evaluation kit 

Evaluation kit are 2 types. there're "MK715x1EK1" as small type and "MK715x1EK1A" as Arduino pin compatible type.
Plus version "MK715x1EK1P","MK715x1EK1AP" that included debug probe for Arm "J-Link LITE" are also provided.

Small and simple type Evaluation kit

Bluetooth 5 enabled module Evaluation kit MK715x1EK1

MK71511EK1 Evaluation kit Mini
MK71521EK1 Evaluation kit Mini

Arduino pin compatible type Evaluation kit

Bluetooth 5 enabled module Evaluation kit MK715x1EK1A

MK71511EK1A Evaluation kit
MK71521EK1A Evaluation kit

Evaluation kit Line up

 
Support
Standard
Evaluation Board
Externals
ComponentsNotesSample and Buy

MK71511EK1

  • Bluetooth Core Spec. v5.2
  • MK71511 Evaluation board(Mini type)

MK71511 Evaluation Kit Mini

 

MK71511EK1A

  • Bluetooth Core Spec. v5.2
  • MK71511 Evaluation board(Arduino pin compatible type)

MK71511 Evaluation Kit

 

MK71511EK1AP

  • Bluetooth Core Spec. v5.2
  • MK71511 Evaluation board(Arduino pin compatible type)
  • J-Link LITE
  • USB cable

MK71511 Evaluation Kit Plus

 

MK71511EK1P

  • Bluetooth Core Spec. v5.2
  • MK71511 Evaluation board(Mini type)
  • J-Link LITE
  • USB cable

MK71511 Evaluation Kit Mini Plus

 

MK71521EK1

  • Bluetooth Core Spec. v5.2
  • MK71521 Evaluation board(Mini type)

MK71521 Evaluation Kit Mini

 

MK71521EK1A

  • Bluetooth Core Spec. v5.2
  • MK71521 Evaluation board(Arduino pin compatible type)

MK71521 Evaluation Kit

 

MK71521EK1AP

  • Bluetooth Core Spec. v5.2
  • MK71521 Evaluation board(Arduino pin compatible type)
  • J-Link LITE
  • USB cable

MK71521 Evaluation Kit Plus

 

MK71521EK1P

  • Bluetooth Core Spec. v5.2
  • MK71521 Evaluation board(Mini type)
  • J-Link LITE
  • USB cable

MK71521 Evaluation Kit Mini Plus

 

Nordic Development information  User gets information, tools and support that is necessary to develop nRF52x from Web, Info-Center(Downloading documents), Developer Zone(Technical support & Developer's community) of Nordic Semiconductor.

Bluetooth® word mark is owned by the Bluetooth® SIG, Inc.

Arm® and Cortex® are trademarks or registered trademarks of Arm Limited in the EU and other countries.

All other company names and product names in this website are trademarks or registered trademarks of the respective companies.