ATSAMS70N19B-ANT

Overview

The ATSAMS70N19B-ANT is a 32-bit ARM Cortex-M7 microcontroller from the SAM S70 series, manufactured by Microchip Technology. It operates at a maximum clock frequency of 300 MHz and features 512 kB of Flash program memory and 384 kB of SRAM data RAM. The device includes a 16 kB ROM block and provides 75 general-purpose I/O pins. It integrates 12-bit ADC and DAC converters with 10 ADC channels. Supported interfaces include SPI, UART, USART, and USB. The unit is housed in an LQFP-100 package, supports surface mount installation, and functions within a supply voltage range of 1.7 V to 3.6 V across an operating temperature range of -40°C to +105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core running up to 300 MHz
• Integrated analog front-end capabilities with 12-bit resolution ADC and DAC
• Comprehensive connectivity suite including USB, SPI, UART, and USART interfaces
• Robust industrial-grade operation with extended temperature rating and wide voltage support

Applications

• Industrial automation controllers requiring high-speed processing
• Medical devices utilizing integrated analog signal conversion
• Automotive infotainment systems leveraging USB connectivity
• Smart metering applications demanding reliable long-term operation

Procurement Notes

Verify the complete part number ATSAMS70N19B-ANT against official Microchip documentation to ensure correct configuration. Confirm that the LQFP-100 package matches your PCB footprint requirements. Check for specific suffix variations if different packaging or temperature grades are needed. Ensure compatibility with existing design tools and ECAD models provided by the manufacturer. Validate regulatory compliance status such as RoHS directly from the datasheet before finalizing procurement.

Selection Notes

Select this component when a balance of moderate flash capacity and substantial SRAM is required for complex firmware execution. The inclusion of USB and CAN-FD interfaces makes it suitable for connected devices. Consider the LQFP-100 package constraints regarding pin count and board space. Evaluate power consumption profiles against the 1.7V to 3.6V operating range. Compare performance metrics with other SAM S70 variants if higher memory density or additional analog channels are necessary.

Part Context

This microcontroller belongs to the SAM S70 family, which targets high-performance embedded applications. It shares architectural similarities with the ATSAME70 series but differs in peripheral availability and memory configurations. The SAM S70 line emphasizes robust connectivity and analog integration for industrial and automotive sectors. Development typically utilizes Microchip's software ecosystem and hardware debuggers compatible with Cortex-M7 cores.

Replacement Considerations

ATSAMS70N20B-ANT offers increased memory capacity within the same package. ATSAMS70N19A-CFN provides similar specifications in a BGA package format.