STMicroelectronics

ST21NFCDXBGARA7

The ST21NFCDXBGARA7 is a high-performance, multi-interface microcontroller from STMicroelectronics designed for a wide range of applications, including IoT devices, smart home appliances, and industrial automation systems. This microcontroller is based on the Arm Cortex-M4 CPU and features a comprehensive set of interfaces and peripherals to support various communication protocols and data processing tasks.

Description:

The ST21NFCDXBGARA7 is a System-in-Package (SiP) device that integrates a microcontroller, an NFC (Near Field Communication) tag, and a secure element. It is designed to provide a compact and cost-effective solution for applications requiring both processing power and secure communication capabilities.

Features:

1. Arm Cortex-M4 CPU with FPU (Floating Point Unit) running at up to 100 MHz
2. 1 MB on-chip flash memory and 256 KB SRAM
3. Integrated NFC tag with 144 bytes of user memory and support for ISO/IEC 14443 Type A and B, FeliCa, and NFC-V communication protocols
4. Secure element with hardware-based cryptographic functions and secure key storage
5. Wide range of communication interfaces, including USB, UART, SPI, I2C, and SDIO
6. Multiple GPIO (General Purpose Input/Output) pins with support for various functions, such as PWM (Pulse Width Modulation), ADC (Analog-to-Digital Converter), and DAC (Digital-to-Analog Converter)
7. Low-power modes to extend battery life in battery-powered applications
8. On-chip temperature sensor and real-time clock (RTC)
9. Support for various operating systems, including FreeRTOS, Zephyr, and STM32Cube

Applications:

1. IoT devices: Smart home appliances, smart energy meters, and industrial sensors
2. Mobile devices: Secure communication and data storage for smartphones and tablets
3. Wearables: Fitness trackers, smartwatches, and health monitoring devices
4. Automotive: Keyless entry systems, telematics, and in-vehicle infotainment systems
5. Payment systems: Secure payment terminals and point-of-sale (POS) devices
6. Access control: Secure access cards, door locks, and time-attendance systems
7. Asset tracking: RFID tags for tracking and monitoring assets in logistics and supply chain management

The ST21NFCDXBGARA7 is a versatile microcontroller that combines processing power, secure communication, and a wide range of interfaces, making it suitable for a variety of applications requiring high performance and security.