NRF52810-QFAA-R Bluetooth 5 / ANT / 2.4GHz Wireless SoC 64MHz Cortex-M4 192KB Flash UQFN-48

NRF52810-QFAA-R Product Overview

NRF52810-QFAA-R is Nordic low-power BLE wireless SoC in UQFN-48-EP(6x6). It adopts 64MHz Arm Cortex-M4 core with 256KB Flash and 32KB RAM, supports Bluetooth 5.0 with integrated 2.4GHz RF. Operating temperature -40℃~85℃ and built-in AES encryption, perfect for low-cost and low-power BLE IoT end devices.

NRF52810-QFAA-R Key Features

64MHz ARM Cortex-M4 Processor & Memory: Features a 32-bit ARM Cortex-M4 processor running at up to 64MHz. EEMBC CoreMark score of 144 running from flash, with CoreMark power consumption of only 34.4 μA/MHz (from flash) and 32.8 μA/MHz (from RAM). 192KB Flash and 24KB RAM are sufficient for the Bluetooth protocol stack (SoftDevice) and application code. Supports Serial Wire Debug (SWD) and full Over-the-Air Device Firmware Updates (OTA DFU) .

Bluetooth 5 2.4GHz Transceiver: Supports 2Mbps high bitrate, CSA #2, and concurrent multiprotocol operation. Output power of +4dBm, receiver sensitivity of -96dBm. TX current (0dBm) only 4.6mA, RX current (1Mbps) only 4.6mA, with integrated 50Ω single-ended output balun. Supports 1 Mbps and 2 Mbps data rates. Built-in RSSI (1dB resolution) .

Ultra-Low Power Design: Supports 1.7V ~ 3.6V wide supply voltage range with fully automatic LDO and DC/DC regulator system. 0.3μA in System OFF mode (3V, no RAM retention), 0.5μA with full 24KB RAM retention; 1.5μA in System ON mode with RTC wake-up (3V, full 24KB RAM retention). Fast wake-up using 64MHz internal oscillator.

Rich Peripheral Interfaces: Integrated 12-bit 200ksps ADC (8 configurable channels with programmable gain), 64-level comparator, temperature sensor, 4-channel PWM unit with EasyDMA, digital microphone interface (PDM), and UART, SPI, PDM digital interfaces. Supports AES HW encryption with EasyDMA, 2× RTC, and single crystal operation.

UQFN-48-EP Compact Package: UQFN-48-EP (6×6mm) package measuring approximately 6mm × 6mm × 890μm, providing 32 GPIO pins. Operating temperature range of -40℃ ~ +85℃, MSL rating 2 (1 year) .

NRF52810-QFAA-R Application

Beacons: iBeacon, Eddystone low-power Bluetooth beacon devices

Network Processor: As a companion network processor, combining Bluetooth 5 connectivity with a more powerful main application processor

Disposable Medical Sensors: Low-power medical monitoring devices, health trackers

Computer Peripherals: Wireless mice, keyboards, presenters, and I/O devices

Remote Controls: CE remote controls, smart home remote devices

Fitness Sensors: Smart bands, fitness trackers, motion sensors

Toys: Smart toys, interactive entertainment devices

Logistics & Tags: Asset tracking tags, logistics tracking devices

Airfuel Wireless Charging

NRF52810-QFAA-R Advantages

Cost-effective Nordic BLE chip with ultra-low power to extend battery life. Compact UQFN package reduces PCB size. Hardware encryption ensures secure wireless communication. Minimal external components to cut BOM cost. Complete SDK ecosystem for fast development.

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FAQs

1. Question: What is the NRF52810-QFAA-R?
   Answer: It is a 2.4GHz multiprotocol ultra-low-power wireless SoC from Nordic Semiconductor, belonging to the nRF52 series basic products, integrating a 64MHz ARM Cortex-M4 core and 2.4GHz RF transceiver.

2. Question: What is the core processor and frequency?
   Answer: It features a 64MHz 32-bit ARM Cortex-M4 core with single-cycle multiplication support.

3. Question: What is the memory capacity?
   Answer: It includes 192kB Flash and 24kB RAM. The Flash supports OTA-DFU (Over-the-Air Device Firmware Update).

4. Question: Which wireless protocols are supported?
   Answer: It supports Bluetooth 5.3 (BLE), ANT, and 2.4GHz proprietary protocols with concurrent multiprotocol operation capability.

5. Question: How is the RF performance?
   Answer: TX power is programmable from -40dBm to +4dBm, RX sensitivity is -96dBm (BLE 1Mbps typical), and the link budget is approximately 100dB.

6. Question: How is the power consumption?
   Answer: RX current is 4.6mA, TX current is 4.6mA (0dBm) / 7.5mA (+4dBm), standby current in full power-down mode is ≤0.3µA, and deep sleep is ≤0.1µA.

7. Question: What package and dimensions does it use?
   Answer: It uses a UQFN-48-EP package measuring 6.0 x 6.0 x 0.85mm with an exposed pad, surface mount.

8. Question: How many GPIOs and peripheral interfaces are provided?
   Answer: It offers 32 GPIOs and integrates a 12-bit ADC (8 channels), PDM microphone interface, 3x PWM, 2x SPI, 1x UART, and 2x I2C.

9. Question: Which development tools and SDKs are supported?
   Answer: The nRF Connect SDK (based on Zephyr RTOS) is recommended, paired with the nRF52 DK. nRF5 SDK v17.1 is the last version with full support.

10. Question: What are the main application scenarios?
    Answer: It is widely used in computer peripherals, CE remote controls, network processors, health/medical devices, lighting, beacons, and other battery-powered short-range wireless applications.