Heightened digital security is usually associated with stronger passwords or requiring more levels of authentication. More recently, proximity tags are becoming more associated with security as well. A user’s proximity to a device would identify them and enable an action that could be the unlocking of a computer or door. Proximity tags can also be used to adjust a setting to the user’s preference such as the position of their seat in a car or setting the ambient temperature in a room. Bluetooth Low Energy is the perfect interoperable standard for proximity use cases as it allows the user’s phone to be part of the use cases. With the powerful nRF52 Series SoC, proximity becomes a fairly simple implementation and is often an inclusive feature together with other applications that come together to form a product.
The nRF52832 is a general-purpose multiprotocol SoC. It meets the challenges of a broad range of applications that require advanced Bluetooth LE features, protocol concurrency as well as a rich and varied set of peripherals and features. In addition, it offers generous memory availability for both Flash and RAM

Features
- Bluetooth 5
- 64 MHz ARM® Cortex-M4F
- 512/256 KB Flash + 64/32 KB RAM
- Supports 1 Mbps and 2 Mbps Bluetooth LE modes
- ¬ 100 dB link budget
- Sensitivity of -96 dbm for Bluetooth LE
- Programmable output power +4 dBm to -20 dBm
- RSSI with 1 dB resolution
- RAM mapped FIFOs using EasyDMA
- Flexible and configurable 32 pin GPIO
- Programmable Peripheral Interface – PPI
- Automatic smart power management
- ¬ Full set of digital interfaces including: SPI/2-wire/I²S/UART/ PDM/QDEC with EasyDMA
- 12-bit/200 ksps ADC
- 128-bit AES ECB/CCM/AAR co-processor
- Integrated balun with 50 Ω single-ended output
- Ultra low-power 32 kHz crystal and RC oscillators
- Wide supply voltage range (1.7 V to 3.6 V)
- On-chip DC/DC buck converter
- Individual power management for all peripherals
- QFN and WL-CSP package options

Applications
- IoT
- Personal Area Networks
- Interactive entertainment devices
- Beacons
- A4WP wireless chargers and devices
- Remote control toys
- Computer peripherals and I/O devices
- Wearables
Contact Asia Design Services
If you are interested in this solution, please contact us. Stay up to date with our latest news on Reference Solutions.
Contact Us