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 in-system programmable Flash memory and 8 kB of SRAM. The device operates at a maximum clock frequency of 48 MHz and supports an input/output count of 79 pins. It functions within a supply voltage range of 1.62 V to 1.95 V and includes integrated analog-to-digital converters with 10-bit resolution. The component is housed in a 100-pin TFBGA package and is rated for industrial temperature operation.

Feature Summary

• Integrates an ARM Cortex-M3 processor core for efficient 32-bit execution.
• Provides non-volatile program storage via embedded Flash memory.
• Supports multiple communication interfaces including SPI, UART, and I2C.
• Includes analog peripherals such as ADC channels and a DAC.

Applications

• Industrial control systems requiring robust processing
• Consumer electronics utilizing low-power ARM architectures
• General-purpose embedded applications with serial communication needs

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Confirm current lifecycle status as distribution availability varies. Ensure compatibility with existing PCB footprints for the TFBGA-100 configuration before integration.

Selection Notes

Select this model when a balance of moderate Flash capacity and high pin count is required for the SAM3N family. Compare against variants with larger memory sizes if application complexity increases. Verify that the 1.62 V to 1.95 V operating voltage aligns with the system power design constraints.

Part Context

This component is part of the SAM3N series, which targets cost-sensitive applications using the ARM Cortex-M3 architecture. The series offers various memory configurations and package options to suit different design requirements while maintaining a consistent peripheral set and software framework compatibility across the family.

Replacement Considerations

Consult official substitution lists for equivalent parts within the SAM3N series or compatible upgrades from other Microchip families. Verify pinout and electrical parameter compatibility before replacing.