Microchip Technology, Inc. Microcontrollers ATSAM4S4BB-MN

The Atmel | SMART SAM4S series microcontroller, specifically the part number 33AC1756, features a 32-bit ARM Cortex-M4 core operating at a maximum frequency of 120 MHz. It includes up to 2048 Kbytes of embedded Flash memory, with options for dual-bank implementation and cache memory, as well as up to 160 Kbytes of SRAM. The device supports a wide range of peripherals, including a full-speed USB device port, multiple USARTs, UARTs, TWIs, SPIs, an I2S interface, and various timers, making it suitable for diverse applications in consumer and industrial control. The microcontroller operates within a voltage range of 1.62V to 3.6V and offers three low-power modes: Sleep, Wait, and Backup, with consumption as low as 1 µA in Backup mode. It is designed for easy integration of capacitive touch functionality through native support for the Atmel QTouch library. The SAM4S series is also pin-to-pin compatible with several other Atmel microcontroller series, facilitating design flexibility. The device is packaged in a VQFN-64 format, making it suitable for compact applications.