Atmel SAM4N16C

The Atmel SAM4N16C is a Core - ARM Cortex-M4 running at up to 100 MHz - Memory Protection Unit (MPU) Pin-to-pin compatible with SAM3N, SAM3S (48-, 64- and 100-pin versions), SAM4S (64- and 100-pin versions) SAM7S legacy products (64-pin version) Memories - Up to 1024 Kbytes embedded Flash - Up to 80 Kbytes embedded SRAM - 8 Kbytes ROM with embedded boot loader routines (UART) and IAP routines System - Embedded voltage regulator for single supply operation - Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog - Quartz or ceramic resonator oscillators: 3 to 20 MHz main power with Failure Detection - High precision 8/12 MHz factory trimmed internal RC oscillator with 4 MHz default - Slow Clock Internal RC oscillator as permanent low-power mode device clock - PLL up to 240 MHz for device clock - Temperature Sensor - Up to 23 peripheral DMA (PDC) channels Low Power Modes - Sleep and Backup modes - Low-power RTC Peripherals - Up to 3 USARTs with ISO7816 ,IrDA (only USART0), RS-485, and SPI Mode - Up to 4 2-wire UARTs - Up to 3 Two Wire Interface (TWI) - 1 SPI - 2 Three-channel 16-bit Timer/Counter with capture, waveform, compare and PWM mode - 1 Four-Channel 16-bit PWM - 32-bit Real-time Timer and RTC with calendar and alarm features I/Os - Up to 79 I/O lines with external interrupt capability - Three 32-bit Parallel Input/Output Controllers Analog - One 10-bit ADC up to 510 ksamples/sec - One 10-bit DAC up to 1 Msamples/sec - Up to 16-channel - Internal voltage reference, 3V typ.