ATSAMR35J18B-I/7JX Overview
The ATSAMR35J18B-I/7JX is a highly integrated wireless microcontroller solution designed for industrial and IoT applications requiring robust sub-GHz connectivity. This device combines an Arm Cortex-M0+ core with a low-power radio transceiver supporting 868 MHz operation, enabling reliable long-range communication with minimal power consumption. Featuring advanced security options and flexible interfaces, it streamlines design cycles and enhances system efficiency. Ideal for engineers seeking a compact, all-in-one solution for wireless sensor networks, smart metering, and automation systems, it delivers proven performance from a trusted IC Manufacturer.
ATSAMR35J18B-I/7JX Technical Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit Arm Cortex-M0+ |
| Operating Frequency | Up to 48 MHz |
| Radio Frequency Band | 868 MHz (Sub-GHz) |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Power Supply Voltage | 1.8 V to 3.6 V |
| Package Type | QFN 32-pin |
| Operating Temperature Range | -40??C to +85??C |
| Interfaces | SPI, I2C, USART, ADC, DAC |
| Security Features | True Random Number Generator, AES-128 Encryption |
ATSAMR35J18B-I/7JX Key Features
- Integrated Arm Cortex-M0+ core: Provides efficient processing power with low energy consumption, enabling extended battery life in wireless applications.
- Sub-GHz 868 MHz radio transceiver: Supports long-range communication with increased penetration and reduced interference, ideal for industrial environments.
- Advanced security modules: Includes hardware AES-128 encryption and a true random number generator, ensuring secure data transmission and enhanced system protection.
- Rich peripheral set: SPI, I2C, USART, ADC, and DAC interfaces facilitate versatile connectivity options for a variety of sensor inputs and actuators.
- Low power consumption modes: Multiple sleep and standby configurations reduce energy use, critical for battery-operated devices in remote or hard-to-access locations.
- Compact QFN package: Enables high-density PCB layouts and efficient thermal management within constrained industrial designs.
- Wide operating temperature range: Ensures reliable function in harsh environments, supporting industrial-grade applications.
ATSAMR35J18B-I/7JX Advantages vs Typical Alternatives
This device offers superior integration by combining a microcontroller and sub-GHz radio in a single chip, reducing BOM cost and design complexity. Its low power profile and advanced security features provide an edge over typical modules that require external components for encryption or separate radios. The broad operating temperature range and small footprint enhance reliability and suitability for demanding industrial wireless applications compared to conventional alternatives.
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Typical Applications
- Industrial wireless sensor networks: Enables reliable, long-range data collection with secure communication for process monitoring and control systems.
- Smart metering: Supports low-power, secure transmission of consumption data in utility meters with extended battery life.
- Home and building automation: Facilitates wireless control and monitoring of HVAC, lighting, and security devices.
- Remote asset tracking: Provides efficient sub-GHz connectivity for location and status reporting of mobile or fixed assets.
ATSAMR35J18B-I/7JX Brand Info
The ATSAMR35J18B-I/7JX is part of a series of wireless microcontrollers from a leading semiconductor manufacturer renowned for embedded processing and RF expertise. This product line emphasizes tight integration and security for industrial-grade wireless solutions. With a focus on power efficiency and robust communication, the brand is trusted by engineers worldwide for building scalable IoT and automation systems that meet stringent performance and reliability standards.
FAQ
What is the maximum operating frequency of the microcontroller core?
The microcontroller core operates at up to 48 MHz, providing sufficient processing power for complex wireless protocols and application tasks while maintaining low power consumption.
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Which wireless frequency band does this device support?
This device supports sub-GHz operation at 868 MHz, which is commonly used in industrial and European ISM band applications, offering extended range and better signal penetration compared to higher frequency bands.
What security features are integrated into this wireless microcontroller?
It includes hardware AES-128 encryption and a true random number generator to secure communication and protect data integrity, which is essential for industrial and IoT applications requiring robust security.
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What types of peripheral interfaces does the device provide?
The device offers multiple interfaces such as SPI, I2C, USART, ADC, and DAC, enabling flexible connectivity with a wide range of sensors, actuators, and external components for versatile application development.
Can this device operate in harsh industrial environments?
Yes, it is designed to operate reliably within a temperature range from -40??C to +85??C, making it suitable for challenging industrial settings where temperature extremes are common.
