Overview
The NRF51822-QFAA-R is a System-on-Chip (SoC) designed by Nordic Semiconductor ASA, specifically tailored for ultra-low power wireless applications. This chip is part of the nRF51 Series and is ideal for Bluetooth Low Energy (BLE) and 2.4 GHz proprietary wireless applications. It features a 32-bit ARM Cortex-M0 processor, making it a versatile and efficient solution for various wireless communication needs.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Nordic Semiconductor ASA |
| Type of Integrated Circuit | SoC |
| Case | QFN48 |
| Memory | 16kB RAM, 256kB FLASH |
| Mounting | SMD |
| Number of Inputs/Outputs | 31 |
| Number of 16bit Timers | 3 |
| Architecture | Cortex M0 |
| Data Transfer Rate | 2Mbps |
| TX/RX Supply Current | 11.8mA / 13mA |
| Communication Protocol | Bluetooth Low Energy |
| Receiver Sensitivity | -96dBm |
| Transmitter Output Power | +4dBm |
| Ciphering | AES128 |
| Band | 2.4GHz |
Key Features
- Multiprotocol 2.4GHz radio
- 32-bit ARM Cortex-M0 processor
- 256kB/128kB flash and 32kB/16kB RAM
- Software stacks available as downloads
- Pin compatible with other nRF51 Series devices
- Application development independent from protocol stack
- Fully on-air compatible with nRF24L Series
- Programmable output power from +4dBm to -20dBm
- Received Signal Strength Indicator (RSSI)
- RAM mapped FIFOs using EasyDMA
- Dynamic on-air payload length up to 256 Bytes
- Flexible and configurable 31 pin GPIO
- Programmable Peripheral Interface – PPI
- Simple ON/OFF global power modes
- Full set of digital interfaces including: SPI/2-wire/UART
- 10-bit ADC
- 128-bit AES ECB/CCM/AAR co-processor
- Quadrature demodulator
- Low cost external crystal 16MHz ± 40ppm
- Low power 16MHz crystal and RC oscillators
- Ultra low power 32kHz crystal and RC oscillators
- Wide supply voltage range (1.8 V to 3.6 V)
Applications
The NRF51822-QFAA-R is suitable for a wide range of applications, including:
- Consumer electronics: wireless headphones, LE audio gear, mobile phone accessories, gamepads, mice, and keyboards.
- Health and fitness: intelligent sports equipment, wireless medical and healthcare devices.
- Industrial and commercial IoT: asset tracking, metering (gas/water/electricity), smart home and building automation.
- Security and navigation: wireless security systems, navigation hardware.
- Toys and other wireless devices.
Q & A
- What is the primary application of the NRF51822-QFAA-R?
The NRF51822-QFAA-R is primarily used for Bluetooth Low Energy (BLE) and 2.4 GHz proprietary wireless applications.
- What processor does the NRF51822-QFAA-R use?
The NRF51822-QFAA-R uses a 32-bit ARM Cortex-M0 processor.
- What is the memory configuration of the NRF51822-QFAA-R?
The NRF51822-QFAA-R has 256kB of flash memory and 16kB of RAM.
- What communication protocols does the NRF51822-QFAA-R support?
The NRF51822-QFAA-R supports Bluetooth Low Energy and 2.4 GHz proprietary protocols.
- What is the transmitter output power of the NRF51822-QFAA-R?
The transmitter output power of the NRF51822-QFAA-R is +4dBm.
- What is the receiver sensitivity of the NRF51822-QFAA-R?
The receiver sensitivity of the NRF51822-QFAA-R is -96dBm.
- Does the NRF51822-QFAA-R support encryption?
Yes, the NRF51822-QFAA-R supports 128-bit AES encryption.
- What is the operating voltage range of the NRF51822-QFAA-R?
The operating voltage range of the NRF51822-QFAA-R is from 1.8 V to 3.6 V.
- Is the NRF51822-QFAA-R pin compatible with other nRF51 Series devices?
Yes, the NRF51822-QFAA-R is pin compatible with other nRF51 Series devices.
- What development kits are available for the NRF51822-QFAA-R?
The nRF51 DK and nRF51 Dongle are available for developing applications with the NRF51822-QFAA-R.
- Does the NRF51822-QFAA-R support multiple protocol stacks?
Yes, the NRF51822-QFAA-R supports concurrent multi-protocol with 2.4 GHz proprietary protocols and Bluetooth Low Energy.
