ATSAM4SD32CA-ANR

Overview

The ATSAM4SD32CA-ANR is a 32-bit microcontroller from the Microchip SAM4S series, built on an ARM Cortex-M4 core operating at up to 120 MHz. It features 2 MB of Flash memory organized in dual banks with optional cache, and 160 KB of SRAM. The device includes a 2 KB cache, MPU, DSP instructions, and a rich peripheral set including USB FS, HS SDIO/SD/MMC, multiple SPI/I2C/USART interfaces, 16-channel 12-bit ADC, and 2-channel 12-bit DAC. It operates within a temperature range of -40°C to +105°C and supports low-power modes.

Feature Summary

• High-performance ARM Cortex-M4 core with integrated cache and DSP instruction support for efficient processing.
• Integrated hardware security features including code protection, secure reconditioning, and CRC memory integrity checks.
• Native support for Microchip QTouch capacitive touch technology for intuitive user interface implementation.
• Low power consumption capabilities with specific standby and backup mode efficiencies.

Applications

• Industrial control systems
• Metering devices
• Medical equipment
• Consumer goods and toys
• 802.15.4 wireless networking

Procurement Notes

Verify the ordering suffix 'N' indicates the extended industrial temperature range (-40°C to +105°C) as per Microchip documentation. Confirm package type compatibility during procurement. Ensure ESD handling procedures are followed due to moisture sensitivity classification. Cross-reference the specific datasheet revision for any updates to electrical characteristics or pin assignments before finalizing orders.

Selection Notes

Select this component when high memory density (2 MB Flash) and robust analog peripherals are required alongside standard connectivity options. The dual-bank Flash architecture supports advanced boot loader implementations. Consider the 120 MHz performance limit and available GPIO count against system requirements. Evaluate the need for the specific industrial temperature rating compared to commercial grade alternatives within the SAM4S family.

Part Context

This part belongs to the SAM4S microcontroller family, which offers scalability in memory and performance. It maintains pin-to-pin compatibility with SAM3S, SAM3N, and SAM7S devices, facilitating migration. The series emphasizes power efficiency and security, targeting applications requiring reliable embedded control with modern connectivity standards.

Replacement Considerations

ATSAM4SD32CA-CU

FAQ

Does the ATSAM4SD32CA-ANR support dual-bank Flash memory?

Yes, the ATSAM4SD32CA-ANR features 2 MB of Flash memory organized in dual banks with optional cache memory support.

What is the maximum operating frequency of the core?

The ARM Cortex-M4 core operates at a maximum speed of 120 MHz.