ATSAMS70J20B-AN

Overview

The ATSAMS70J20B-AN is an ARM microcontroller within the SAM S70 series, featuring an ARM Cortex-M7 core operating at a maximum clock frequency of 300 MHz. It integrates 1 MB of program memory and 384 kB of SRAM data RAM. The device utilizes a 32-bit data bus width and includes a 12-bit ADC resolution. It offers 44 I/O lines and supports interfaces such as SPI, UART, USART, and USB. The unit operates on a supply voltage range from 1.7 V to 3.6 V with an analog supply of 3.3 V. It is housed in an LQFP-64 package and functions within a temperature range of -40°C to +105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core architecture
• Integrated substantial non-volatile and volatile memory for complex applications
• Supports multiple communication protocols including USB and serial interfaces
• Operates across extended industrial temperature ranges

Applications

• Industrial automation control systems
• Human-machine interface (HMI) displays
• Medical equipment requiring high reliability
• Smart metering infrastructure

Procurement Notes

Verify the specific suffix AN corresponds to the LQFP-64 tray packaging configuration when sourcing. Confirm that the manufacturer designation Microchip Technology matches the required component origin. Ensure the part number aligns with the SAM S70 series specifications for compatibility with existing design architectures. Cross-reference the RoHS compliance status if environmental regulations apply to the target deployment region.

Selection Notes

Select this component when a balance of moderate pin count and high processing speed is required. The 1 MB flash capacity suits applications needing significant code storage without excessive board space usage. The 44 I/O limit makes it suitable for compact designs compared to larger BGA packages. Consider the LQFP-64 form factor for easier manual assembly or rework compared to fine-pitch ball grid arrays.

Part Context

This microcontroller belongs to the SAM S70 family, designed for high-performance embedded applications. It shares architectural similarities with other SAM S70 variants but differs in memory size and package type. The J-series designation typically indicates specific pin counts and peripheral sets distinct from the N or Q series counterparts within the same processor family.

Replacement Considerations

ATSAME70J20B-ANT serves as a functional equivalent within the E70 series offering identical core specifications and memory configurations.