ATSAM4SD16BA-AN

Overview

The ATSAM4SD16BA-AN is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at up to 120 MHz. It features 1 MB of embedded Flash memory organized in dual banks with optional cache, and 160 KB of SRAM. The device includes a 2 KB cache, an MPU, and supports up to 79 I/Os. Connectivity options include FS USB Device, HS SDIO/SD/MMC, multiple SPI, I2C, USART, and I2S interfaces. Analog peripherals consist of a 16-channel 12-bit ADC, two 12-bit DACs, and an analog comparator.

Feature Summary

• High-performance ARM Cortex-M4 processor with integrated cache and DSP instructions for efficient code execution.
• Integrated hardware security features including memory protection, secure device reconditioning, and CRC checks.
• Native support for Microchip QTouch capacitive touch technology for intuitive user interface implementation.
• Low power consumption capabilities with specific modes for standby and RAM retention.

Applications

• Consumer goods and toys
• Industrial control systems
• Metering devices
• Medical equipment
• Test and measurement instruments

Procurement Notes

Verify the ordering suffix 'N' indicates the industrial temperature range option as per datasheet documentation. Confirm package type matches design requirements. Ensure compatibility with existing SAM4S ecosystem tools. Check for any specific RoHS or REACH compliance statements in the latest revision. Validate pin-to-pin compatibility if migrating from legacy SAM3 or SAM7 series devices.

Selection Notes

Select this part for applications requiring high performance with significant memory density. The dual-bank Flash architecture supports robust boot loader implementations. Consider the extensive peripheral set for connectivity needs. Evaluate power consumption profiles against system requirements. Ensure development tools like Atmel Studio are available for programming.

Part Context

This component belongs to the SAM4S series of ARM-based microcontrollers. The series is designed to offer scalable performance and memory density. It provides pin-to-pin compatibility with SAM4N, SAM3S, SAM3N, and SAM7S devices. This facilitates migration within the Microchip portfolio. The series emphasizes power efficiency alongside processing capability.

Replacement Considerations

ATSAM4SD16CA-AN

FAQ

What is the maximum operating frequency of the ATSAM4SD16BA-AN?

The device operates at a maximum frequency of 120 MHz.

Does the ATSAM4SD16BA-AN support capacitive touch sensing?

Yes, it offers native support for Microchip's QTouch technology.

How is the Flash memory organized in this device?

It features 1 MB of Flash memory organized in dual banks with optional cache memory.