The Microchip ATSAM4LC4C flash microcontroller is based on the high performance 32-bit ARM Cortex RISC processor running at frequencies up to 48MHz. It operates on 1.68V to 3.6V. The processor implements a memory protection unit (MPU) and a fast and flexible interrupt controller for supporting modern and real time operating systems. It features 256KB of embedded flash memory, the device features an LCD controller, hardware cryptography, USB host and device, peripheral event system, Sleepwalking intelligent peripherals, and built-in security, including 128-bit Advanced Encryption Standard (AES).

Embedded voltage regulator for single-supply operation
Two Power-on-Reset and Two Brown-out Detectors (BOD)
High speed 80MHz internal RC oscillator
Low power 32kHz internal RC oscillator
Up to 16 peripheral DMA (PDCA) channels
Ultra low power Backup mode with/without RTC down to 1.5/0.9μA
One USART with ISO7816, IrDA®, RS-485, SPI, Manchester and LIN Mode
Liquid Crystal Display (LCD) Module with Capacity up to 40 Segments and up to 4 Common Terminals
One Master/Slave Serial Peripheral Interface (SPI) with Chip Select Signals
One 16-channel ADC 300Ksps (ADC) with up to 12 Bits Resolution
One DAC 500Ksps (DACC) with up to 10 Bits Resolution
One Advanced Encryption System (AES) with 128-bit key length
32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
Random generator (TRNG)
ASF-Atmel software Framework – SAM software development framework
100-lead LQFP, 14 x 14 mm, pitch 0.5 mm package