Introducing nRF52832 and nRF52840 Product Family
Nordic nRF52832 System on Chip
nRF52832 is a flexible, efficient Bluetooth 5 and Bluetooth mesh multiprotocol SoC
The nRF52832 is the mid-range member of the nRF52 Series SoC family. It meets the challenges of a broad range of applications that need Bluetooth 5 feature sets, protocol concurrency and a rich and varied set of peripherals and features. In addition, it offers generous memory availability for both Flash and RAM.
The nRF52832 is fully multiprotocol capable with full protocol concurrency. It has protocol support for Bluetooth 5, Bluetooth mesh, ANT and 2.4 GHz proprietary stacks.
It is built around an ARM® Cortex™-M4 CPU with floating-point unit running at 64 MHz. It has NFC-A Tag for use in simplified pairing and payment solutions. It has numerous digital peripherals and interfaces such as PDM and I2S for digital microphones and audio.
Exceptionally low energy consumption is achieved using a sophisticated on-chip adaptive power management system.
Nordic nRF52840 System-on-Chip
The nRF52840 SoC is built around a 32-bit ARM® Cortex®-M4F processor optimized for ultra-low power operation, combining Bluetooth 5, Bluetooth Mesh, Thread, IEEE 802.15.4, ANT and 2.4GHz proprietary. It is also featured with on-chip NFC-A tag and on-chip USB 2.0 (Full speed) controller. The SoC is developed with 1 MB FLASH and 256 kB RAM.
Comparison of nRF52840 and nRF52832
| NRF52832 | NRF52840 | |
|---|---|---|
| Processor | ARM_ Cortex_-M4 32-bit processor with FPU, 64 MHz | 32-bit ARM_ Cortex_-M4F @ 64 MHz |
| RAM | 32/ 64 KB | 256 KB |
| Flash | 256/ 512 KB | 1 MB |
| NFC | YES (For pairing) | YES (For pairing) |
| Package | 6×5 mm QFN-48/ 3.0 x3.2 mm WL-CSP | 7×7 mm AQFN-73 |
| Operating channel | -40 -85 C | -40 -85 C |
| TX power (Max) | 4dBm | 8dBm |
| RX sensitivity | -96 dBm @ 1Mbps for BT 4.2 | -103 dBm @125 Kbps |
| -99 dBm @ 500 Kbps | ||
| -96 dBm @ 1Mbps | ||
| -92 dBm @ 2Mbps for BT 5.0 . | ||
| Support data rate | 1Mbps/ 2Mbps for BLE and 2.4 GHz | 125Kbps / 500Kbps / 1 Mbps / 2 Mbps for BLE |
| 250 Kbps for 802.15.4 | ||
| 1Mbps / 2Mbps for 2.4GHz | ||
| TX current | 7.5 m A @4dBm DC-DC | 13.6 m A @ 8 dBm DC- DC/ 3V |
| 5.3 m A @0dBm DC-DC | 7.3 m A @ 4 dBm DC-DC / 3V | |
| 5.3 m A @ 0 dBm DC-DC/ 3 V | ||
| RX current | 9.7 m A @ 3V DC-DC | 5.4 m A @ 3V DC-DC |
| Sleep current | 0.3 _ A @system off | 0.3 _ A @system off |
| Serial interface | 2x I2C master/slave | 2x I2C master/slave |
| 3x SPI master/slave | 4x SPI master/slave | |
| 1x UART CTS/ RTS | 1x QSPI | |
| 1x I2S | 2x UART CTS/ RTS | |
| 1x PDM | 1x I2S | |
| 1x QDEC | 1x PDM | |
| 1x QDEC | ||
| Supply voltage | 1.7 -3.6 V | 1.7 _ 5.5 V |
Source: NRF52832, NRF52840 and NRF52810 comparison – Usman Rashid
nRF52832 based BLE modules
MDBT42Q – nRF52832 based BLE module ($9.90)
MDBT42Q is a BT 4.0, BT 4.1 and BT 4.2 stack (Bluetooth low energy or BLE) module designed based on Nordic nRF52832 SoC solution, which incorporates: GPIO, SPI, UART, I2C, I2S, PWM and ADC interfaces for connecting peripherals and sensors.
MDBT50Q-1M nRF52840 Based BLE Module ($9.59)
MDBT50Q-P1M nRF52840 Based BLE Module($9.59)
MDBT50Q-U1M nRF52840 Based BLE Module ($9.59)
nRF52832-Micro Development Board
The nRF52832-MDK is a fully open-source, versatile single-board development kit for Bluetooth® low energy, ANT and 2.4GHz proprietary applications using the nRF52832 SoC.
The kit gives access to 24 I/Os and interfaces via headers and has an RGB LED which is user-programmable. It also has a 2.4GHz chip antenna on board which is quite convenient to develop IoT wireless applications.
It supports the Nordic official SDK using GCC, Keil, and IAR. Program/Debug options on the kit are DAPLink.
The nRF52832-MDK can also be used to play with multi-frameworks such as nRF5 SDK, nRF5 SDK for Mesh, Mbed OS 5, Zephyr, Mynewt, JerryScript, Espruino, MicroPython, Web Bluetooth, Eddystone, etc.
nRF52832-MDK V2 IoT Micro Development Kit
The nRF52832-MDK V2 is a fully open-source, plug-and-play, versatile single-board development kit for Bluetooth® low energy, ANT and 2.4GHz proprietary applications using the nRF52832 SoC.
The kit gives access to 24 I/Os and interfaces via headers and has an RGB LED which is user-programmable. It also has a 2.4GHz chip antenna on board which is quite convenient to develop IoT wireless applications.
It supports the Nordic official SDK using GCC, Keil, and IAR. Program/Debug options on the kit are DAPLink.
nRF52840 Module with Ceramic Antenna
This product is Bluetooth Low Energy (BLE) module using the Nordic NRF52840 SoC solution. The nRF52840 is designed around an ARM Cortex-M4 CPU with floating Point unit (FPU) and has 1MB flash with cache and 256kB RAM. As such it has the ability to support complex and demanding applications as a single chip solution. It offers a wealth of peripherals that include NFC, USB and multiple interface options including Quad SPI (QSPI). Security is paramount in today’s IoT designs and the nRF52840 has high-end security features included to achieve best in class security with an ARM Cryptocell-310 cryptographic system on chip and a full AES 128-bit encryption suite.
nRF52840 MDK USB Dongle
The nRF52840 Micro Dev Kit USB Dongle is a small and low-cost development platform enabled by the nRF52840 multi-protocol SoC in a convenient USB dongle form factor.
The nRF52840 Micro Dev Kit USB Dongle features a programmable user button, RGB LED, up to 12 GPIOs and 2.4G Chip antenna on board.
The USB Dongle can be used as a low-cost Bluetooth5/Tread/802.15.4/ANT/2.4GHz multi-protocol node or development board. Alternatively, the USB Dongle can be used as a Network Co-Processor(NCP) with a simple connection to a PC or other USB enabled device.
This guide detailed explains how to get started with the nRF52840 Micro Dev Kit USB Dongle development, and what to expect when you do so.
When you get a new dongle, it has been preprogrammed with the OpenThread NCP image. So you can easily set up a Thread NCP Joiner, which can be securely authenticated and commissioned onto a Thread network.
We also offer nRF52840 Micro Dev Kit USB Dongle with the case.
nRF52840 Micro Development Kit
The development kit comes with a fully integrated debugger (DAPLink) that provides USB drag-and-drop programming, USB Virtual COM port, and CMSIS-DAP interface.
The kit contains a Microchip USB 2.0 Hi-Speed hub controller with two downstream ports: one for DAPLink interface and one for nRF52840 USB device controller. The kit also features ultra-low power 64-Mb QSPI FLASH memory, programmable user button, RGB LED, up to 24 GPIOs, antenna selection for custom applications.
It supports the standard Nordic Software Development Tool-chain using GCC, Keil, and IAR. It can also be used to play with many popular frameworks, such as nRF5 SDK, nRF5 SDK for Mesh, OpenThread, ZigBee 3.0, Mbed OS 5, Zephyr, Mynewt, Web Bluetooth, iBeacon, Eddystone, and more.
nRF52840 MDK Base Dock
The Base Dock is an essential tool allowing you to build rapidly Internet of Things applications. It is an ideal add-on to the existing nRF52832-MDK and nRF52840-MDK development boards.
The Base Dock can be powered by only one AA battery, and it also features a power button and a PCB NFC antenna. It is also Grove compatible, which means you can easily and quickly connect over 200 Grove modules and sensors with the 4 Grove connectors
For more about Grove, please visit Seeed Studio Grove page.
Reference
- NRF52832, NRF52840 and NRF52810 comparison – Usman Rashid
- nRF52832 – Nordic Semiconductor
- Getting started with nRF52840 Micro Dev Kit USB Dongle – Makerdiary
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