ATSAM3N1CA-CU

Overview

The ATSAM3N1CA-CU is a 32-bit microcontroller based on the ARM Cortex-M3 core, belonging to the SAM3N series. It features 64 kB of flash memory and 8 kB of SRAM. The device operates at a maximum clock frequency of 48 MHz and supports a supply voltage range of 1.62 V to 3.6 V. It provides 79 general-purpose I/O pins and includes interfaces such as SPI, UART/USART, and I2C. The component is housed in a 100-TFBGA package with dimensions of 9x9 mm and is rated for an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates an ARM Cortex-M3 processor core for efficient code execution.
• Includes built-in analog-to-digital converters and pulse width modulation peripherals.
• Supports direct memory access for high-speed data transfer without CPU intervention.

Applications

• Industrial control systems requiring low power consumption
• Consumer electronics devices with limited space constraints
• Medical equipment utilizing embedded processing capabilities

Procurement Notes

Verify the specific suffix and package type against official Microchip documentation to ensure compatibility with design requirements. Confirm end-of-life status and availability through authorized distributors, as this component may be subject to discontinuation notices. Cross-reference pin assignments and electrical specifications with the latest datasheet before finalizing procurement decisions.

Selection Notes

Select this component when a balance of moderate memory capacity and low power consumption is required for embedded applications. Consider the TFBGA package for compact designs where surface mount technology is preferred. Evaluate peripheral needs against the available I/O count and interface options to ensure sufficient connectivity for the target system architecture.

Part Context

This microcontroller is part of the SAM3N family, designed for cost-sensitive and power-efficient applications. It shares architectural similarities with other SAM3N variants but differs in memory size and package options. The device targets markets demanding reliable performance in small form factors, leveraging the mature ARM Cortex-M3 ecosystem for software development support.

Replacement Considerations

Consult official substitution lists for compatible parts within the SAM3N series. Verify pin-to-pin compatibility and memory configurations before replacing existing components in production designs.