Description
The nRF51822-QFAB-R7 is a versatile, ultra-low-power (ULP) System-on-Chip (SoC) designed for Bluetooth Low Energy (BLE), ANT, and proprietary 2.4GHz wireless applications. Built on the 32-bit ARM Cortex-M0 processor, it provides an efficient balance of processing power and power-saving performance, making it a staple for battery-constrained wireless devices.
The device features an innovative software architecture that separates the wireless protocol stack from the user’s application code. This independence ensures that your application remains stable and easy to maintain, even as the protocol stacks evolve. It also includes the Programmable Peripheral Interconnect (PPI), which allows peripherals to interact directly without constant CPU involvement, drastically reducing power consumption.
Note: Product images are for illustrative purposes only. Please refer to the official Nordic Semiconductor datasheet in the attachment section for specific electrical parameters, pinout configurations, and RF layout requirements.
Features
- Multiprotocol Radio: Native support for Bluetooth Low Energy, ANT, and proprietary 2.4GHz wireless protocols.
- Core Architecture: Energy-efficient 32-bit ARM Cortex-M0 processor.
- Memory: Features 128kB of Flash memory and 16kB of RAM to support your application code.
- PPI System: Programmable Peripheral Interconnect allows autonomous peripheral operation, minimizing CPU wake-time.
- Digital Interfaces: Includes SPI, I2C, and UART interfaces for easy sensor and module integration.
- Package: Compact 48-pin QFN package, suitable for space-saving PCB designs.
Benefits
- Extended Battery Life: Highly optimized for low-energy consumption, making it ideal for coin-cell battery operation.
- Simplified Firmware Development: Independent protocol stack and application development reduce time-to-market.
- Versatile Hardware: Pin-compatibility with other nRF51 family members enables easy hardware migration.
- Robust Security: On-chip AES encryption provides necessary security for wireless data transmission.
Applications
- Wearable technology (fitness trackers, smartwatches)
- Wireless sensor networks for Smart Home
- Computer peripherals (wireless mice, keyboards)
- Medical monitoring devices
- Proximity and location beacons
Package Includes
- 1 x nRF51822-QFAB-R7 Bluetooth/ANT SoC (QFN-48)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | nRF51822-QFAB-R7 |
| Device Type | Multiprotocol BLE/ANT SoC |
| Package / Case | QFN-48 |
| Processor Core | 32-bit ARM Cortex-M0 |
| Mounting Type | Surface Mount (SMD) |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |
