Microchip SAM4S 16 bit ARM Cortex M4 Microcontroller, 120 MHz, 256kB FLASH, 48-Pin LQFP

Microchip SAM4S 16 bit ARM Cortex M4 Microcontroller ATSAM4S4AA-AU offers high-performance computing based on the ARM Cortex-M4 RISC processor architecture. It operates at a maximum clock frequency of 120 MHz and integrates 256kB of FLASH memory and 64kB SRAM in a compact 48-pin LQFP surface mount package.

This microcontroller supports a wide range of embedded applications requiring efficient processing and memory management capabilities. It features 34 programmable input/output pins and multiple peripherals including 8 channels of 12-bit ADCs and one analogue comparator, enabling signal acquisition and processing tasks.

The package dimensions are 7 mm length, 7 mm width and 1.45 mm height, suitable for compact PCB designs in consumer and industrial devices. Operating voltage ranges from 1.62V to 3.6V, with operational temperature spanning from -40°C to 85°C for harsh environment tolerance.

Additional features include a memory protection unit (MPU), DSP instruction set extensions, and advanced flash memory protection such as ECC, security bits, and lock bits. The microcontroller also provides embedded bootloader routines supporting UART and USB interfaces for easy programming and In-Application Programming (IAP).

This device complies with RoHS standards, ensuring environmental safety in manufacturing. Its versatile architecture makes it ideal for applications in automation, industrial controls, consumer electronics, and other embedded system solutions requiring reliable processing power and advanced peripheral integrations.

Features a 16 bit ARM Cortex M4 processor core running at up to 120 MHz. Includes 256kB of embedded Flash program memory with optional dual-bank and cache memory. Contains 64kB embedded SRAM for efficient data handling. Equipped with 34 programmable I/Os and 8 x 12 bit ADC channels.

Supports surface mount with a 48-pin LQFP package measuring 7 x 7 x 1.45 mm. Operates within a voltage range of 1.62V to 3.6V supply. Designed for robust temperature conditions, with an operating range from -40°C to +85°C.

Includes advanced features such as DSP instruction set and memory protection unit for secure applications. Ideal for industrial, consumer electronics, and embedded system applications. Browse our Electronics & Electricals > Semiconductor > Microcontroller category at EnvMart for this and related Microcontroller components.