ATSAM4S8BA-AU

Overview

The ATSAM4S8BA-AU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at 120 MHz. It features 512 KB of Flash memory and 128 KB of SRAM. The device includes an external bus interface, FS USB Device, HS SDIO/SD/MMC, three SPI controllers, two I2C interfaces, two USARTs, two UARTs, four 16-bit PWM channels, six 16-bit timers, and up to 79 I/O pins. It supports Microchip QTouch capacitive touch technology.

Feature Summary

• Integrated hardware code protection for intellectual property security
• Native support for Microchip QTouch capacitive touch technology
• Multi-layer AHB matrix with multi-channel DMA for high data rate communication

Applications

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

Procurement Notes

Verify the specific package type and temperature range against the datasheet before ordering. Confirm that the selected component matches the required pin count and memory configuration for your design. Ensure compatibility with existing development tools and software frameworks.

Selection Notes

Select this part for applications requiring high performance and low power consumption. Consider the available memory sizes and peripheral sets when choosing between different SAM4S variants. Evaluate the need for external bus interfaces or specific connectivity options like USB or SDIO.

Part Context

The ATSAM4S8BA-AU belongs to the SAM4S series of microcontrollers from Microchip Technology. This series offers scalable performance, memory density, and power efficiency. It provides pin-to-pin compatibility with other SAM4N, SAM3S, SAM3N, and SAM7S devices, facilitating easy migration within the portfolio.

Replacement Considerations

ATSAM4S8CA-AU (100-pin LQFP)

FAQ

Does the ATSAM4S8BA-AU support capacitive touch?

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

What is the maximum operating frequency?

The device operates at up to 120 MHz.