Overview
The Nordic Semiconductor nRF52840-CKAA-R is a highly advanced System-on-Chip (SoC) designed for wireless communication applications. This device is part of the nRF52 series and is built around the ARM Cortex-M4 microcontroller core. It supports multiple wireless protocols including Bluetooth 5.3, Bluetooth Low Energy, Bluetooth mesh, NFC, Zigbee, and Thread. The nRF52840 is renowned for its ultra-low power consumption, making it ideal for a wide range of Internet of Things (IoT) and other wireless applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Nordic Semiconductor |
| MFG Part # | nRF52840-CKAA-R |
| Core | ARM Cortex M4 |
| Data Bus Width | 32 bit |
| Data RAM Size | 256 kB |
| Data RAM Type | RAM |
| Program Memory Size | 1 MB |
| Program Memory Type | Flash |
| Interface Type | I2C, I2S, SPI, UART, USB |
| Maximum Clock Frequency | 64 MHz |
| Maximum Data Rate | 2 Mbps |
| Maximum Operating Temperature | +85°C |
| Minimum Operating Temperature | -40°C |
| Mounting Style | SMD/SMT |
| Number of ADC Channels | 8 Channel |
| Number of I/Os | 48 I/O |
| Operating Frequency | 2.4 GHz |
| Output Power | 8 dBm |
| Package / Case | WLCSP-93 |
| Sensitivity | -95 dBm |
| Supply Current Receiving | 4.6 mA |
| Supply Current Transmitting | 4.8 mA |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 1.7 V |
Key Features
- Multi-Protocol Support: The nRF52840 supports Bluetooth 5.3, Bluetooth Low Energy, Bluetooth mesh, NFC, Zigbee, and Thread, making it highly versatile for various wireless applications.
- Ultra-Low Power Consumption: Designed to operate with very low power, making it suitable for battery-powered devices and IoT applications.
- ARM Cortex-M4 Core: Features a 64 MHz ARM Cortex-M4 microcontroller core with floating-point unit (FPU) for efficient processing.
- Memory and Storage: Includes 1 MB of flash memory and 256 kB of RAM, providing ample space for application code and data.
- Peripheral Interfaces: Supports I2C, I2S, SPI, UART, and USB interfaces for comprehensive connectivity options.
- ADC and Sensors: Equipped with an 8-channel 12-bit ADC and various sensor interfaces, enhancing its capability for sensor-based applications.
Applications
- IoT Devices: Ideal for various IoT applications such as smart home devices, industrial automation, and asset tracking.
- Health and Fitness Equipment: Used in wearable devices, fitness trackers, and other health-related gadgets.
- Sensor Devices: Suitable for sensor-based applications including environmental monitoring and industrial sensors.
- Consumer Electronics: Found in wireless headphones, mobile phone accessories, gamepads, and other consumer electronics.
- Medical and Healthcare: Used in wireless medical devices, remote health monitoring systems, and other healthcare applications.
- Toys and Gaming: Used in wireless toys, gaming controllers, and other entertainment devices.
Q & A
- What is the primary microcontroller core used in the nRF52840-CKAA-R?
The nRF52840-CKAA-R uses the ARM Cortex-M4 microcontroller core.
- What wireless protocols does the nRF52840-CKAA-R support?
The nRF52840-CKAA-R supports Bluetooth 5.3, Bluetooth Low Energy, Bluetooth mesh, NFC, Zigbee, and Thread.
- What is the maximum clock frequency of the nRF52840-CKAA-R?
The maximum clock frequency is 64 MHz.
- What is the operating temperature range of the nRF52840-CKAA-R?
The operating temperature range is from -40°C to +85°C.
- How much RAM and flash memory does the nRF52840-CKAA-R have?
The device has 256 kB of RAM and 1 MB of flash memory.
- What types of interfaces does the nRF52840-CKAA-R support?
The device supports I2C, I2S, SPI, UART, and USB interfaces.
- What is the supply voltage range for the nRF52840-CKAA-R?
The supply voltage range is from 1.7 V to 5.5 V.
- Is the nRF52840-CKAA-R RoHS compliant?
Yes, the nRF52840-CKAA-R is RoHS compliant.
- What is the package type of the nRF52840-CKAA-R?
The package type is WLCSP-93.
- What are some common applications of the nRF52840-CKAA-R?
Common applications include IoT devices, health and fitness equipment, sensor devices, consumer electronics, and medical devices.
