ATSAME70Q19B-CN

Overview

The ATSAME70Q19B-CN is a 32-bit microcontroller from the Microchip SAM E70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 512KB of flash memory and 256KB of SRAM within a 144-LFBGA (10x10) package. The device supports a supply voltage range of 1.7V to 3.6V and includes extensive connectivity options such as Ethernet, CANbus, USB, SPI, I2C, UART/USART, QSPI, MMC/SD/SDIO, LINbus, IrDA, and EBI/EMI. Analog capabilities include 24-channel 12-bit ADCs and two 12-bit DACs. It operates within a temperature range of -40°C to 105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with integrated DSP and FPU capabilities for complex algorithm execution.
• Comprehensive peripheral set including Ethernet MAC, multiple serial interfaces, and high-speed memory interfaces for versatile system integration.
• Advanced analog subsystem with multiple 12-bit ADC channels and DACs for precise signal acquisition and generation.
• Robust security features and power management peripherals including DMA, PWM, and watchdog timers for reliable industrial operation.

Applications

• Industrial automation controllers requiring real-time processing and robust communication protocols.
• Human-machine interface (HMI) panels utilizing high-speed display interfaces and touch control.
• Smart metering systems needing precise analog measurement and secure data transmission.
• Motor control applications leveraging DSP capabilities and high-frequency PWM outputs.

Procurement Notes

Verify the specific suffix 'CN' against the manufacturer's current datasheet to confirm package type and environmental compliance status. Ensure compatibility with existing PCB footprints for the 144-LFBGA configuration. Check for any recent product change notices regarding pinout or electrical characteristics that may affect design-in decisions. Confirm availability of development tools and software support libraries for the SAM E70 family.

Selection Notes

Select this component when a balance of high computational performance and rich peripheral connectivity is required in a compact surface-mount package. Compare against other SAM E70 variants based on specific memory size needs and interface requirements. Consider the 144-LFBGA package constraints for thermal management and layout complexity. Evaluate alternative packages like LQFP if board space allows for easier prototyping.

Part Context

This part belongs to the SAM E70 family of microcontrollers designed for high-performance embedded applications. It shares architectural similarities with the SAM S70 and SAM V70 families but differs in specific peripheral configurations and target market segments. The SAM E70 series is optimized for cost-sensitive industrial and consumer applications while maintaining Cortex-M7 performance levels.

Replacement Considerations

ATSAME70Q19A-CN

FAQ

What is the maximum operating frequency of the ATSAME70Q19B-CN?

The microcontroller features an ARM Cortex-M7 core that operates at a maximum frequency of 300MHz.

Does the ATSAME70Q19B-CN support Ethernet connectivity?

Yes, the device includes an Ethernet Media Access Controller (MAC) as part of its comprehensive connectivity suite.

What is the package type for the ATSAME70Q19B-CN?

The component is housed in a 144-LFBGA package with dimensions of 10x10 mm.