Overview
The nRF52832-QFAA-R7 is a versatile and general-purpose multiprotocol System-on-Chip (SoC) developed by Nordic Semiconductor ASA. This device is part of the nRF52 series and is designed to meet the demands of a wide range of applications that require advanced Bluetooth Low Energy (BLE) features, protocol concurrency, and a rich set of peripherals. The nRF52832 is built around a 64 MHz Arm Cortex-M4 CPU with a floating-point unit, making it suitable for complex and power-efficient wireless applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Bluetooth Version | Bluetooth 5.0 (including 2 Mbps feature) |
| CPU | 64 MHz Arm Cortex-M4 with FPU |
| Flash Memory | 512 kB |
| RAM | 64 kB |
| Supply Voltage Range | 1.7 to 3.6 V |
| Operating Temperature Range | -40 to 85 °C |
| Package Type | 48-pin QFN (6x6 mm) |
| GPIOs | 32 |
| Interfaces | SPI, I2C, UART, PDM, I2S |
| Output Power | +4 dBm to -20 dBm |
| Sensitivity | -96 dBm |
| ADC | 12-bit, 200 kSPS |
Key Features
- Multiprotocol capability with full protocol concurrency, supporting Bluetooth Low Energy, Bluetooth mesh, NFC, ANT, and 2.4 GHz proprietary protocols.
- On-chip adaptive power management system for exceptionally low energy consumption.
- NFC-A Tag for simplified pairing and payment solutions.
- Digital peripherals and interfaces including PDM and I2S for digital microphones and audio.
- Programmable output power from +4 dBm to -20 dBm.
- RSSI, RAM-mapped FIFOs using EasyDMA.
- Dynamic on-air payload length up to 256 bytes.
- Flexible and configurable 32-pin GPIO.
- Programmable Peripheral Interface (PPI) and simple ON/OFF global power modes.
- On-chip DC/DC buck converter and individual power management for all peripherals.
Applications
- Consumer electronics: wireless headphones, LE audio gear, mobile phone accessories, gamepads, mice, keyboards.
- Intelligent sports equipment and wireless medical devices.
- Remote control and wireless voice-audio applications (e.g., voice over IP).
- Security and wireless navigation hardware.
- Industrial and commercial IoT: health monitoring, asset tracking, metering (gas/water/electricity), smart home and building automation.
- Toys and other wireless-enabled devices.
Q & A
- What is the primary CPU of the nRF52832?
The primary CPU is a 64 MHz Arm Cortex-M4 with a floating-point unit.
- What Bluetooth version does the nRF52832 support?
The nRF52832 supports Bluetooth 5.0, including the high-speed 2 Mbps feature.
- What is the memory configuration of the nRF52832?
The nRF52832 has 512 kB of flash memory and 64 kB of RAM.
- What is the operating temperature range of the nRF52832?
The operating temperature range is -40 to 85 °C.
- What interfaces does the nRF52832 support?
The nRF52832 supports SPI, I2C, UART, PDM, and I2S interfaces.
- What is the output power range of the nRF52832?
The output power range is from +4 dBm to -20 dBm.
- Does the nRF52832 support NFC?
Yes, the nRF52832 includes an NFC-A Tag for simplified pairing and payment solutions.
- What is the package type of the nRF52832-QFAA-R7?
The package type is a 48-pin QFN (6x6 mm).
- What power management features does the nRF52832 have?
The nRF52832 features an on-chip adaptive power management system, an on-chip DC/DC buck converter, and individual power management for all peripherals.
- What are some common applications of the nRF52832?
Common applications include consumer electronics, intelligent sports equipment, wireless medical devices, remote control, security, and industrial IoT applications.
