Based on the ARM® Cortex®-M3 core, the Atmel® SMART SAM3S Flash microcontroller (MCU) integrates features to simplify system design and reduce power consumption down to 2.3mW at 1MHz, 1.45mW/MHz at 64MHz operation and 1.6μA in backup mode with the Real-Time-Clock running. The series also includes parallel capture mode, and QTouch capacitive touch support.
Feature
ARM® Cortex®-M3 revision 2.0 running at up to 64 MHz
Memory Protection Unit (MPU)
DSP Instructions, Thumb®-2 instruction set
512 Kbytes Single Plane embedded Flash, 128-bit wide access, memory accelerator
64 Kbytes embedded SRAM
16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
Embedded voltage regulator for single-supply operation
Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog for safe operation
Quartz or ceramic resonator oscillators: 0.6 to 30MHz main power with Failure Detection and low power 32.768 kHz for RTC or device clock
High precision 8/12 MHz factory trimmed internal RC oscillator with 4 MHz default frequency for device startup. In-application trimming access for frequency adjustment
Slow clock internal RC oscillator as permanent low-power mode device clock
Two PLLs up to 130 MHz for device clock and for USB
Temperature Sensor
Up to 22 peripheral DMA (PDC) channels
Sleep and Backup modes, down to < 2 μA in Backup mode
Ultra low power RTC
64-lead LQFP, 10 x 10 mm, pitch 0.5 mm
64-lead QFN, 9 x 9 mm, pitch 0.5 mm
- Industrial (-40° C to +85° C)
USB 2.0 Device and Embedded Host: 12 Mbps, up to 8 bidirectional Endpoints and Multi-packet Ping-pong Mode. On-Chip Transceiver
USB 2.0 Device: 12 Mbps, 2668 byte FIFO, up to 8 bidirectional Endpoints. On-Chip Transceiver
2 USARTs with ISO7816, IrDA®, RS-485, SPI, Manchester and Modem Mode
Two 2-wire UARTs
2 Two Wire Interface (I2C compatible), 1 SPI, 1 Serial Synchronous Controller (I2S), 1 High Speed Multimedia Card Interface (SDIO/SD Card/MMC)
two 3-channel 16-bit Timer Counters with capture, waveform, compare and PWM mode. Quadrature Decoder Logic and 2-bit Gray Up/Down Counter for Stepper Motor
4-channel 16-bit PWM with Complementary Output, Fault Input, 12-bit Dead Time Generator Counter for Motor Control
32-bit Real-time Timer and RTC with calendar and alarm features
32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
47 I/O lines with external interrupt capability (edge or level sensitivity), debouncing, glitch filtering and on-die Series Resistor Termination
Three 32-bit Parallel Input/Output Controllers, Peripheral DMA assisted Parallel Capture Mode
11-channel, 1Msps ADC with differential input mode and programmable gain stage
One 2-channel 12-bit 1Msps DAC
One Analog Comparator with flexible input selection, Selectable input hysteresis
Serial Wire/JTAG Debug Port(SWJ-DP)
Debug access to all memories and registers in the system, including Cortex-M4 register bank when the core is running, halted, or held in reset.
Serial Wire Debug Port (SW-DP) and Serial Wire JTAG Debug Port (SWJ-DP) debug access.
Flash Patch and Breakpoint (FPB) unit for implementing breakpoints and code patches.
Data Watchpoint and Trace (DWT) unit for implementing watchpoints, data tracing, and system profiling.
Instrumentation Trace Macrocell (ITM) for support of printf style debugging.
IEEE1149.1 JTAG Boundary-scan on all digital pins.
ASF-Atmel software Framework – SAM software development framework
Integrated in the Atmel Studio IDE with a graphical user interface or available as standalone for GCC, IAR compilers.
DMA support, Interrupt handlers Driver support
USB, TCP/IP, Wi-Fi and Bluetooth, Numerous USB classes, DHCP and Wi-Fi encryption Stacks
RTOS integration, FreeRTOS is a core component
Microcontroller Features
Core
