ATSAM4LS8CA-CFUR

Overview

The ATSAM4LS8CA-CFUR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 48MHz. It features 512KB of embedded Flash memory and 64KB of SRAM. The device supports a single power supply ranging from 1.68V to 3.6V. It includes a 16-channel 12-bit ADC, a 10-bit DAC, USB 2.0 Device interface, and various communication peripherals such as USART, SPI, and TWI.

Feature Summary

• Integrates picoPower technology for ultra-low active current consumption with configurable voltage scaling.
• Includes an embedded hardware capacitive touch module supporting autonomous detection for multiple sensors.
• Features a Peripheral Event System allowing direct peripheral-to-peripheral communication without CPU intervention.
• Supports SleepWalking functionality in WAIT mode for intelligent event-driven system wake-up.

Applications

• Battery-powered consumer electronics requiring extended operational life
• Industrial control systems utilizing low-power sensor interfaces
• Smart home devices incorporating capacitive touch controls
• Portable medical equipment demanding high reliability and low standby current

Procurement Notes

Verify the specific ordering suffix CFUR against official Microchip documentation to confirm tape-and-reel packaging and industrial temperature range specifications. Ensure compatibility with existing PCB footprints for the VFBGA package variant. Cross-reference the part number with the latest datasheet revision to confirm pinout and electrical characteristics match design requirements.

Selection Notes

Select this component when designing applications that require a balance between processing performance and minimal power consumption. The inclusion of dedicated audio interfaces and capacitive touch modules makes it suitable for interactive displays. Evaluate the available GPIO count and peripheral set against system connectivity needs before finalizing the selection.

Part Context

This microcontroller belongs to the SAM4L series, which is designed for low-power applications using the ARM Cortex-M4 architecture. The series emphasizes energy efficiency through picoPower technology while maintaining high computational throughput. It serves as a solution for devices needing robust peripheral integration alongside strict power management constraints.

Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers within the SAM4L family or cross-compatible series. Ensure any replacement maintains identical pin configurations and memory capacities to avoid redesign efforts.

FAQ

Does the ATSAM4LS8CA-CFUR support segment LCD controllers?

No, the SAM4LS sub-series does not include a segment LCD controller; this feature is reserved for the SAM4LC sub-series.

What is the maximum operating frequency of the ARM Cortex-M4 core in this device?

The ARM Cortex-M4 core operates at frequencies up to 48MHz.