[Bluetooth BLE Series] NRF51822 NRF2810 NRF52832 NRF2840 Solution Comparison

  NRF51822

  nRF51822 is a powerful and highly flexible multi-protocol SoC, which is very suitable for Bluetooth low energy and 2.4GHz wireless applications. This SoC is a microprocessor based on ARM Cortex M0 core. It has 256KB / 128KB of on-chip FLASH storage space and 32KB / 16KB of RAM space. The 2.4G radio frequency supports Bluetooth low energy, and is compatible with nRF24L series products.

  Application fields: mobile phone accessories, wearable devices, wireless charging monitoring, PC peripherals, consumer electronics remote controls, smart homes, smart RF tags, toys and video games.

  Chip characteristics

  Single chip, highly flexible 2.4GHz multiprotocol device

  32-bit ARM Cortex M0 CPU core

  256KB / 128KB Flash + 32KB / 16KB RAM

  Support Bluetooth low energy protocol stack

  Thread safety and runtime protection

  Event-driven API support

  Airlink compatible nRF24L series

  Three rates: 2Mbps / 1Mbps / 250Kbps

  + 4dBm output power

  -93dBm sensitivity, Bluetooth low power

  Flexible power management system

  Configurable I / O

  Operating temperature range: -40 ° C to + 105 ° C

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  NRF52810

  nRF52810 is a high-performance multi-protocol SoC supporting Bluetooth 5, ANT and 2.4GHz. The SoC provides support for Bluetooth 5, while the microprocessor core is ARM Cortex M4, with 192KB of FLASH and 24KB of RAM space, which can provide more support for advanced applications. It performs very well even in low power applications.

  Application fields: Bluetooth 5 connectivity processors, industrial sensors and actuators, wearable devices, smart home sensors, computer peripherals, sports and fitness sensors, smart watches, interactive games and building automation.

  Chip characteristics

  Single chip, highly flexible 2.4 GHz multiprotocol SoC

  32-bit ARM Cortex-M4 processor

  Voltage range: 1.7V to 3.6V

  192kB flash + 24kB RAM

  Support concurrent Bluetooth low energy / ANT protocol operation

  + 4dBm output power

  -96dBm sensitivity, Bluetooth low power

  Thread safety and runtime protection

  Event-driven API support

  Air link compatible with nRF24L and nRF24AP series

  Two rates: 2Mbps / 1Mbps

  Automatic power management system

  Configurable I / O

  1 master / slave SPI

  1 x two-wire interface (I²C)

  UART (RTS / CTS)

  1 PWM (4 channels)

  AES HW encryption

  8-channel 10 / 12-bit ADC

  Quadrature decoderl 64-level analog comparator

  Real-time clock (RTC)

  Digital Microphone Interface (PDM)

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  NRF52832

  nRF52832 is a powerful, highly flexible, ultra-low-power, multi-protocol SoC that is well-suited for Bluetooth Low Energy (BLE, formerly Smart Bluetooth), ANT and 2.4GHz wireless applications. SoC based on ARM Cortex M4F for core microprocessor, with 512KB of on-chip FLASH and 64KBRAM space. The 2.4GHz transceiver supports Bluetooth low energy, ANT and a proprietary 2.4GHz protocol stack, compatible with nRF51 series and nRF24L series.

  Application fields: Internet of Things (LoT), wearable devices, smart home sensors, computer peripherals, voice-controlled smart remote control, connected health products, smart watches and building automation.

  Chip characteristics

  Single chip, highly flexible 2.4 GHz multiprotocol SoC

  32-bit ARM Cortex-M4F processor

  1.7V to 3.6V operating voltage

  512kB flash + 64kB RAM

  Support concurrent Bluetooth low energy / ANT protocol operation

  + 4dBm output power

  -96dBm sensitivity, Bluetooth low power

  Thread safety and runtime protection

  Event-driven API support

  Air link compatible with nRF24L and nRF24AP series

  Two rates: 2Mbps / 1Mbps

  Automatic power management system

  Configurable I / O

  3 x master / slave SPI

  2 x two-wire interface (I²C)

  ART (RTS / CTS)

  3 x PWMl AES HW encryption

  12-bit ADCl Real-time clock (RTC)

  Digital Microphone Interface (PDM)

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  NRF52840

  nRF52840 is an advanced multi-protocol SoC, which is very suitable for ultra-low power wireless applications. nRF52840 has a 32-bit ARM Cortex M4F microprocessor with 1MB of FLASH and 256KB of RAM on-chip. nRF52840's 2.4GHz wireless transceiver supports Bluetooth Low Energy, ANT, 802.15.4 and 2.4GHz proprietary protocols. It supports 2Mbs and 1Mbs of Bluetooth low energy and 500Kbs and 125Kbs of Bluetooth 5. Supports automatic measurement of high-resolution RSSI to reduce CPU load.

  Application fields: advanced high-performance wear-resistant parts, wearable secure payment, virtual reality / augmented reality systems, smart home sensor networks, smart city sensor networks, high-performance HID controllers, IoT sensor networks, smart door locks and smart lighting networks Wait.

  Chip characteristics

  Advanced single-chip 2.4 GHz multiprotocol SoC

  32-bit ARM Cortex-M4F processor

  1.7V to 5.5V operating voltage

  1MB flash + 256kB RAM

  Bluetooth 5 supports remote and high throughput

  802.15.4 radio support

  On-chip NFCl PPI programmable peripheral interconnect

  Automatic power management system

  Configurable I / O

  48 x GPIO

  1 x QSPI

  4 x master / slave SPI

  2 x two-wire interface (I²C)

  I²S interfacel 2 x UART

  4 x PWMl USB 2.0 controller

  ARM TrustZone CryptoCell-310 encryption and security module

  AES 128-bit ECB / CCM / AAR hardware accelerator

  Digital Microphone Interface (PDM)

  Quadrature decoderl 12-bit ADC

  Low power comparator

  Compatible with nRF52, nRF51 and nRF24 series

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