ATSAM4CMS32CB-AUT

Overview

The ATSAM4CMS32CB-AUT is a Microchip Technology microcontroller based on the ARM Cortex-M4 core, operating at a maximum clock frequency of 120 MHz. It features 32 kB of embedded Flash memory and 8 kB of SRAM. The device is housed in a 64-pin TFBGA package with dimensions of 9x9 mm. It supports an input/output count of 52 I/O lines and operates within a supply voltage range of 1.62 V to 3.6 V. The component is rated for an industrial temperature range from -40°C to +85°C.

Feature Summary

• Integrates a high-performance 32-bit ARM Cortex-M4 RISC processor with DSP instruction set support.
• Includes an embedded voltage regulator for single-supply operation and comprehensive power management peripherals.
• Provides multiple communication interfaces including USB 2.0 Device, USARTs, SPI, and I2C.

Applications

• Smart energy metering systems
• Industrial control applications
• Motor control solutions

Procurement Notes

Verify the specific suffix 'AUT' against official Microchip documentation to confirm the tape-and-reel packaging configuration and extended temperature rating. Ensure compatibility with existing PCB footprints for the 64-TFBGA (9x9) package. Confirm end-of-life status or lifecycle recommendations before finalizing procurement plans.

Selection Notes

Select this component when a balance of moderate memory capacity and high processing speed is required for cost-sensitive designs. The 120 MHz Cortex-M4 core offers sufficient performance for complex control loops while maintaining low power consumption. Verify that the 32 kB Flash and 8 kB SRAM meet application requirements compared to larger variants in the SAM4CM family.

Part Context

This part belongs to the SAM4CM series of microcontrollers designed for smart energy and industrial markets. The series utilizes the ARM Cortex-M4 architecture to provide efficient code execution and digital signal processing capabilities. It is positioned as a scalable solution within Microchip's portfolio of ARM-based flash microcontrollers.

Replacement Considerations

Consult official Microchip cross-reference tools for verified pin-to-pin compatible alternatives within the SAM4CM family. Generic substitutes are not recommended due to specific peripheral configurations and memory layouts unique to this part number.

FAQ

What is the maximum operating frequency of the ATSAM4CMS32CB-AUT?

The device operates at a maximum clock frequency of 120 MHz.

Does this microcontroller include a hardware floating-point unit?

Yes, the ARM Cortex-M4 core includes a single-precision hardware floating-point unit (FPU).