ATSAME53N19A-AF

Overview

The ATSAME53N19A-AF is a 32-bit microcontroller from the Microchip SAM E53 series, featuring an ARM Cortex-M4F core operating at a maximum clock frequency of 100 MHz. It integrates 512 kB of Flash memory and 192 kB of SRAM within a 100-pin PQFP package. The device supports a supply voltage range of 1.71 V to 3.6 V and includes multiple communication interfaces such as USB, Ethernet, I2C, SPI, and USART. It offers 24 ADC channels with 12-bit resolution and two DAC channels, suitable for industrial applications requiring robust connectivity and processing capabilities.

Feature Summary

• Integrates an ARM Cortex-M4F processor core optimized for digital signal processing tasks.
• Provides comprehensive connectivity options including dedicated Ethernet and USB peripherals.
• Features high-resolution analog-to-digital conversion with multiple input channels.
• Supports extended temperature operation ranges for industrial environments.

Applications

• Industrial automation controllers
• Smart metering systems
• Medical instrumentation

Procurement Notes

Verify the specific suffix 'AF' against official Microchip documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing PCB footprints for the 100-pin PQFP configuration. Cross-reference the datasheet revision history for any silicon errata or design changes that may impact integration into current hardware designs.

Selection Notes

Select this component when a balance of moderate processing speed and extensive peripheral connectivity is required. The 100 MHz Cortex-M4F core provides sufficient performance for complex control loops while maintaining power efficiency. Consider the available GPIO count and memory size relative to application requirements before finalizing the selection.

Part Context

This part belongs to the SAM E53 family, designed for cost-sensitive industrial applications. It shares architectural similarities with other members of the series but differs in memory capacity and pin count. The family emphasizes low power consumption and rich peripheral sets for embedded control tasks.

Replacement Considerations

Consult official substitution guides for compatible parts within the SAM E53 series. Verify pinout and electrical specifications before replacing with variants like ATSAME53J19A-AF or ATSAME53N20A-AU-EFP to ensure functional equivalence.