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Home » NEWEST Products » New by Manufacturer » Atmel » Atmel SAM3 Cortex™-M3 Microcontrollers
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Atmel SAM3 Cortex-™-M3 Microcontrollers

Atmel SAM3 Cortex™-M3 Microcontrollers

Atmel SAM3 Cortex™-M3 Flash Microcontrollers combine high-speed USB and an integrated transceiver for fast up/downloading of data, robust EMI tolerance, and plug-and-play high-speed serial interconnectivity. Atmel SAM3 MCUs feature a 96 MHz maximum operating frequency and a high data-bandwidth architecture based on a 5-layer bus matrix with 22 DMA channels and distributed memory. The SAM3 is touch-ready and offers native support for Atmel QTouch® technology for easy implementation of buttons, sliders, and wheels in your application. These Atmel MCUs are ideal for applications with intensive communications requirements, including high-speed gateways in industrial, medical, data processing, and consumer applications.

 Atmel SAM3 Cortex-™-M3 Microcontrollers

SAM3A

The Atmel® SAM3A ARM® Cortex™-M3 Flash-based Microcontroller (MCU) features connectivity peripherals including a dual CAN interface and high-speed USB (HS USB) MiniHost and device with on-chip physical layer (PHY). Devices are available in a dual-bank configuration of 256KB and 512KB Flash total and in 100-pin QFP and BGA package options. The architecture is designed to support high-speed data transfers and includes a multi-layer bus matrix plus dual SRAM banks, direct memory access (DMA) channels and peripheral DMA controller (PDC) for applications supporting multi-task operations. The SAM3A series is ideal for networking applications in the industrial embedded market and in home and building automation, smart grids and industrial automation.

Features

Core
  • ARM® Cortex®-M3 revision 2.0 running at up to 84MHz
Memories
  • 16kb ROM with embedded bootloader routines (UART, USB) and IAP routines
  • Static Memory Controller (SMC): SRAM, NOR, NAND support; NAND Flash controller with 4kb RAM buffer and ECC
  • SDRAM Controller
System
  • Embedded voltage regulator for single supply operation
  • POR, BOD, and Watchdog for safe reset
  • Quartz or ceramic resonator oscillators: 3 to 20MHz main and optional low power 32.768kHz for RTC or device clock
  • High precision 8/12MHz factory trimmed internal RC oscillator with 4MHz Default Frequency for fast device startup
  • Slow Clock Internal RC oscillator as permanent clock for device clock in low power mode
  • One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Mini Host/Device
  • Temperature sensor
  • Up to 17 peripheral DMA (PDC) channels and 6-channel central DMA plus dedicated DMA for High-Speed USB Mini Host/Device and Ethernet MAC
Low Power Modes
  • Sleep and Backup modes, down to 2.5μA in Backup mode
  • Backup domain: VDDBU pin, RTC, eight 32-bit backup registers
  • Ultra Low-power RTC
Peripherals
  • USB 2.0 Device/Mini Host: 480Mbps, 4kb FIFO, up to 10 bidirectional Endpoints, dedicated DMA
  • Up to 8-channel 16-bit PWM (PWMC) with Complementary Output, Fault Input, 12-bit Dead Time Generator Counter for Motor Control
  • One Ethernet MAC 10/100 (EMAC) with dedicated DMA
  • Two CAN Controller with eight Mailboxes
  • One True Random Number Generator (TRNG)

Part Number Package Flash SRAM Number
of PIOs		 12-Bit
ADC		 DAC Timers PDC
Channels		 USART/
UART		 SPI
ATSAM3A4CA-AU LQFP-100 2x128K 32 + 32K 63 16-Ch 2-Ch, 12-Bit 9x32-Bit 15 3/1 1
ATSAM3A8CA-AU LQFP-100 2x256K 64 + 32K 63 16-Ch 2-Ch, 12-Bit 9x32-Bit 15 3/1 1

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SAM3N

The Atmel® entry point into ARM® Cortex™-M3 technology, the SAM3N Microcontroller family intelligently combines high-performance architecture, peripherals and power-saving techniques to deliver uncompromised performance. Available in multiple memory densities, pin counts and package types, the SAM3N offers a scalable solution to meet application requirements. It is supported by a full set of software libraries, project examples, tools and a worldwide ecosystem to shorten development cycle time. Pin-to-pin compatible with the SAM7S and the SAM3S, the SAM3N facilitates migration within the family.

Features

Core
  • ARM® Cortex®-M3 revision 2.0 running at up to 48MHz
Memories
  • From 4 to 24kb embedded SRAM
  • 16kb ROM with embedded bootloader routines (UART) and IAP routines
System
  • 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: 3 to 20MHz main power with Failure Detection and optional low power 32.768kHz for RTC or device clock
  • High precision 8/12MHz factory trimmed internal RC oscillator with 4MHz default frequency for device startup; In-application trimming access for frequency adjustment
  • Slow Clock Internal RC oscillator as permanent low-power mode device clock
  • One PLL up to 130MHz for device clock
  • Up to 10 peripheral DMA (PDC) channels
Low Power Modes
  • Sleep and Backup modes, down to 3μA in Backup mode
  • Ultra low power RTC
Peripherals
  • 4-channel 16-bit PWM
  • 32-bit Real-time Timer and RTC with calendar and alarm features

Part Number Package Flash SRAM Number
of PIOs		 12-Bit
ADC		 DAC Timers PDC
Channels		 USART
ATSAM3N00AA-AU LQFP-48 16K 4K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N00AA-MU QFN-48 16K 4K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N00BA-AU LQFP-64 16K 4K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N00BA-MU QFN-64 16K 4K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N0AA-AU LQFP-48 32K 8K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N0AA-MU QFN-48 32K 8K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N0BA-AU LQFP-64 32K 8K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N0BA-MU QFN-64 32K 8K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N0CA-AU LQFP-100 32K 8K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N0CA-CU TFBGA-100 32K 8K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1AA-AU LQFP-48 64K 8K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N1AA-MU QFN-48 64K 8K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N1AB-AU LQFP-48 64K 8K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N1AB-MU QFN-48 64K 8K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N1BA-AU LQFP-64 64K 8K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1BA-MU QFN-64 64K 8K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1BB-AU LQFP-64 64K 8K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1BB-MU QFN-64 64K 8K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1CA-AU LQFP-100 64K 8K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1CA-CU TFBGA-100 64K 8K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1CB-AU LQFP-100 64K 8K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N1CB-CU TFBGA-100 64K 8K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N2AA-AU LQFP-48 128K 16K 37 8-Ch --- 6x32-Bit 8 1
ATSAM3N2AA-MU QFN-48 128K 16K 37 8-Ch --- 6x32-Bit 8 1
ATSAM3N2BA-AU LQFP-64 128K 16K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N2BA-MU QFN-64 128K 16K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N2CA-AU LQFP-100 128K 16K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N2CA-CU TFBGA-100 128K 16K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N4AA-AU LQFP-48 256K 24K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N4AA-MU QFN-48 256K 24K 34 8-Ch --- 6x32-Bit 8 1
ATSAM3N4BA-AU LQFP-64 256K 24K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N4BA-MU QFN-64 256K 24K 47 10-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N4CA-AU LQFP-100 256K 24K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2
ATSAM3N4CA-CU TFBGA-100 256K 24K 79 16-Ch 1-Ch, 10-Bit 6x32-Bit 10 2

Description
ATSAM3N-EK Evaluation kit allows the evaluation of the SAM3N series of microcontrollers

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SAM3S

The Atmel® SAM3S Cortex™ M3 Flash Microcontroller Family integrates features to simplify system design and reduce power consumption down to 2.3mW at 1MHz, 1.45mW/MHz at 64MHz operation and 1.6uA in backup mode with the RTC running. Inspired by the best-selling SAM7S series, the SAM3S is the ideal migration path to a more powerful and feature-rich MCU. A renewed peripheral set provides system control, sensor interfaces, an optional external parallel bus interface, connectivity and user interface support.

Features

Core
  • ARM® Cortex®-M3 revision 2.0 running at up to 64MHz
Memories
  • 16kb ROM with embedded bootloader routines (UART, USB) and IAP routines
  • 8-bit Static Memory Controller (SMC): SRAM, PSRAM, NOR and NAND Flash support
  • Memory Protection Unit (MPU)
System
  • 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: 3 to 20MHz main power with Failure Detection and optional low power 32.768kHz for RTC or device clock
  • High precision 8/12MHz factory trimmed internal RC oscillator with 4MHz 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 130MHz for device clock and for USB
  • Temperature sensor
  • Up to 22 peripheral DMA (PDC) channels
Low Power Modes
  • Sleep and Backup modes, down to 3μA in Backup mode
  • Ultra low power RTC
Peripherals
  • USB 2.0 Device: 12Mbps, 2668-byte FIFO, up to 8 bidirectional Endpoints; On-Chip Transceiver
  • 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
  • One Analog Comparator with flexible input selection, Selectable input hysteresis
  • 32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
  • Write Protected Registers

Part Number Package Flash SRAM Number
of PIOs		 12-Bit
ADC		 DAC Timers PDC
Channels 		USART/
UART
ATSAM3S1AA-AU QFP-48 64K 16K 34 8-Ch --- 3x32-Bit 22 2/1
ATSAM3S1AA-MU QFN-48 64K 16K 34 8-Ch --- 3x32-Bit 22 2/1
ATSAM3S1BA-AU QFP-64 64K 16K 47 10-Ch 2-Ch, 12-Bit 3x32-Bit 22 2/2
ATSAM3S1BA-MU QFN-64 64K 16K 47 10-Ch 2-Ch, 12-Bit 3x32-Bit 22 2/2
ATSAM3S1CA-AU QFP-100 64K 16K 79 15-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S1CA-CU BGA-100 64K 16K 79 15-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S2AA-AU QFP-48 128K 32K 34 8-Ch --- 3x32-Bit 22 2/1
ATSAM3S2AA-MU QFN-48 128K 32K 34 8-Ch --- 3x32-Bit 22 2/1
ATSAM3S2BA-AU QFP-64 128K 32K 47 10-Ch 2-Ch, 12-Bit 3x32-Bit 22 2/2
ATSAM3S2BA-MU QFN-64 128K 32K 47 10-Ch 2-Ch, 12-Bit 3x32-Bit 22 2/2
ATSAM3S2CA-AU QFP-100 128K 32K 79 15-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S2CA-CU BGA-100 128K 32K 79 15-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S4AA-AU QFP-48 256K 48K 34 8-Ch --- 3x32-Bit 22 2/1
ATSAM3S4AA-MU QFN-48 256K 48K 34 8-Ch --- 3x32-Bit 22 2/1
ATSAM3S4BA-AU QFP-64 256K 48K 47 10-Ch 2-Ch, 12-Bit 3x32-Bit 22 2/2
ATSAM3S4BA-MU QFN-64 256K 48K 47 10-Ch 2-Ch, 12-Bit 3x32-Bit 22 2/2
ATSAM3S4CA-AU QFP-100 256K 48K 79 15-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S4CA-CU BGA-100 256K 48K 79 15-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S8BA-AU LQFP-64 512K 64K 47 11-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S8BA-MU QFN-64 512K 64K 47 11-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3SD8BA-AU LQFP-64 512K 64K 47 11-Ch 2-Ch, 12-Bit 6x32-Bit 24 2/2
ATSAM3SD8BA-MU QFN-64 512K 64K 47 11-Ch 2-Ch, 12-Bit 6x32-Bit 24 2/2
ATSAM3SD8CA-CU BGA-100 512K 64K 79 16-Ch 2-Ch, 12-Bit 6x32-Bit 24 3/2
ATSAM3S8CA-AU LQFP-100 512K 64K 79 16-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3S8CA-CU BGA-100 512K 64K 79 16-Ch 2-Ch, 12-Bit 6x32-Bit 22 2/2
ATSAM3SD8CA-AU LQFP-100 512K 64K 79 16-Ch 2-Ch, 12-Bit 6x32-Bit 24 3/2

Description
ATSAM3S-EK2 Evaluation kit allows the evaluation of the SAM3S series of microcontrollers

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SAM3U

The Atmel® SAM3U family is the industry's first ARM® Cortex™ M3 Flash Microcontroller with on-chip high speed USB Device-and-Transceiver, SDIO/SDCard/MMC and SPI interfaces. This connectivity, together with the SAM3U's 96MHz/ 1.25 DMIPS/MHz operating frequency, makes the SAM3U the unique Cortex M3 device suited to applications with intensive communications requirements, such high speed gateways in industrial, medical, data processing and consumer applications. For rapid evaluation and code development, industry-leading third parties provide a full range of development tools, RTOS, middleware and support services to reduce time-to-market to a minimum.

Features

Core
  • ARM® Cortex®-M3 revision 2.0 running at up to 96MHz
Memories
  • 16kb ROM with embedded bootloader routines (UART, USB) and IAP routines
  • Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4kb RAM buffer and ECC
System
  • Embedded voltage regulator for single supply operation
  • POR, BOD and Watchdog for safe reset
  • Quartz or resonator oscillators: 3 to 20MHz main and optional low power 32.768kHz for RTC or device clock
  • High precision 8/12MHz factory trimmed internal RC oscillator with 4MHz Default Frequency for fast device startup
  • Slow Clock Internal RC oscillator as permanent clock for device clock in low power mode
  • One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Device
  • Up to 17 peripheral DMA (PDC) channels and 4-channel central DMA
Low Power Modes
  • Sleep and Backup modes, down to 2.5μA in Backup mode
  • Backup domain: VDDBU pin, RTC, 32 backup registers
  • Ultra low power RTC: 0.6μA
Peripherals
  • USB 2.0 Device: 480Mbps, 4kb FIFO, up to 7 bidirectional Endpoints, dedicated DMA
  • 4-channel 16-bit PWM (PWMC)
  • 32-bit Real Time Timer (RTT) and RTC with calendar and alarm features

Part Number Package Flash SRAM Number
of PIOs		 12-Bit
ADC		 Number
of TWI		 USART
ATSAM3U1CA-CU TFBGA-100 64K 20K 57 2 (4+ 4-Ch) 1 3
ATSAM3U1CA-AU LQFP-100 64K 20K 57 2 (4+ 4-Ch) 1 3
ATSAM3U1EA-AU LQFP-144 64K 20K 96 2 (8+ 8-Ch) 2 4
ATSAM3U1EA-CU LFBGA-144 64K 20K 96 2 (8+ 8-Ch) 2 4
ATSAM3U2CA-CU TFBGA-100 128K 36K 57 2 (4+ 4-Ch) 1 3
ATSAM3U2CA-AU LQFP-100 128K 36K 57 2 (4+ 4-Ch) 1 3
ATSAM3U2EA-CU LFBGA-144 128K 36K 96 2 (8+ 8-Ch) 2 4
ATSAM3U2EA-AU LQFP-144 128K 36K 96 2 (8+ 8-Ch) 2 4
ATSAM3U4CA-CU TFBGA-100 256K 52K 57 2 (4+ 4-Ch) 1 3
ATSAM3U4CA-AU LQFP-100 256K 52K 57 2 (4+ 4-Ch) 1 3
ATSAM3U4EA-CU LFBGA-144 256K 52K 96 2 (8+ 8-Ch) 2 4
ATSAM3U4EA-AU LQFP-144 256K 52K 96 2 (8+ 8-Ch) 2 4
ATSAM3U1CB-AU LQFP-100 64K 20K 57 2 (4+ 4-Ch) 1 3
ATSAM3U1CB-CU TFBGA-100 64K 20K 57 2 (4+ 4-Ch) 1 3
ATSAM3U1EB-AU LQFP-144 64K 20K 96 2 (8+ 8-Ch) 2 4
ATSAM3U1EB-CU LFBGA-144 64K 20K 96 2 (8+ 8-Ch) 2 4

Description
ATSAM3U-EK Evaluation kit allows the evaluation of the SAM3U series of microcontrollers

View Products List

SAM3X

The Atmel® SAM3X ARM® Cortex™-M3 Flash-based Microcontroller (MCU) brings more connectivity to the SAM3 family by adding Ethernet, dual CAN and high-speed USB (HS USB) MiniHost and device with on-chip physical layer (PHY). Devices feature a dual-bank configuration of 256kb and 512kb Flash total and are available in 100-pin and 144-pin QFP and BGA package options. The architecture is designed to support high-speed data transfers and includes a multi-layer bus matrix plus dual SRAM banks, direct memory access (DMA) channels and peripheral DMA controller (PDC) for applications supporting multi-task operations. The SAM3X series is ideal for networking applications in the industrial embedded market and in home and building automation, smart grids and industrial automation.

Also available! View the Arduino Due Microcontroller Board, featuring the Atmel SAM3X8E ARM Cortex-M3 MCU

Features

Core
  • ARM® Cortex®-M3 revision 2.0 running at up to 84MHz
Memories
  • 16kb ROM with embedded bootloader routines (UART, USB) and IAP routines
  • Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4kb RAM buffer and ECC
  • SDRAM Controller
System
  • Embedded voltage regulator for single supply operation
  • POR, BOD, and Watchdog for safe reset
  • Quartz or ceramic resonator oscillators: 3 to 20MHz main and optional low power 32.768kHz for RTC or device clock
  • High precision 8/12MHz factory trimmed internal RC oscillator with 4MHz Default Frequency for fast device startup
  • Slow Clock Internal RC oscillator as permanent clock for device clock in low power mode
  • One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Mini Host/Device
  • Temperature sensor
  • Up to 17 peripheral DMA (PDC) channels and 6-channel central DMA plus dedicated DMA for High-Speed USB Mini Host/Device and Ethernet MAC
Low Power Modes
  • Sleep and Backup modes, down to 2.5μA in Backup mode
  • Backup domain: VDDBU pin, RTC, eight 32-bit backup registers
  • Ultra Low-power RTC
Peripherals
  • USB 2.0 Device/Mini Host: 480Mbps, 4kb FIFO, up to 10 bidirectional Endpoints, dedicated DMA
  • Up to 8-channel 16-bit PWM (PWMC) with Complementary Output, Fault Input, 12-bit Dead Time Generator Counter for Motor Control
  • One Ethernet MAC 10/100 (EMAC) with dedicated DMA
  • Two CAN Controller with eight Mailboxes
  • One True Random Number Generator (TRNG)

Part Number Package Flash SRAM Number
of PIOs		 12-Bit
ADC		 12-Bit
DAC		 Timers PDC
Channels		 USART/
UART
ATSAM3X4CA-AU LQFP-100 256K (2x128K) 32 + 32K 63 16-Ch 2-Ch 9x32-Bit 15 3/1
ATSAM3X4CA-CU LFBGA-144 256K (2x128K) 32 + 32K 63 16-Ch 2-Ch 9x32-Bit 15 3/1
ATSAM3X4EA-AU LQFP-144 256K (2x128K) 32 + 32K 103 16-Ch 2-Ch 9x32-Bit 17 3/2
ATSAM3X4EA-CU LFBGA-144 256K (2x128K) 32 + 32K 103 16-Ch 2-Ch 9x32-Bit 17 3/2
ATSAM3X8CA-AU LQFP-100 512K (2x256K) 64 + 32K 63 16-Ch 2-Ch 9x32-Bit 15 3/1
ATSAM3X8CA-CU LFBGA-100 512K (2x256K) 64 + 32K 63 16-Ch 2-Ch 9x32-Bit 15 3/1
ATSAM3X8EA-AU LQFP-144 512K (2x256K) 64 + 32K 103 16-Ch 2-Ch 9x32-Bit 17 3/2
ATSAM3X8EA-CU LFBGA-144 512K (2x256K) 64 + 32K 103 16-Ch 2-Ch 9x32-Bit 17 3/2

Description
ATSAM3X-EK Evaluation kit allows the evaluation of the SAM3X series of microcontrollers

View Products List



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