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

• ARM® Cortex®-M3 revision 2.0 running at up to 84 MHz

• 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
• Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4-kbyte RAM buffer and ECC
• SDRAM Controller

• Embedded voltage regulator for single supply operation
• POR, BOD and Watchdog for safe reset
• Quartz or ceramic resonator oscillators: 3 to 20 MHz main and optional 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 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

• Sleep and Backup modes, down to 2.5 μA in Backup mode
• Backup domain: VDDBU pin, RTC, eight 32-bit backup registers
• Ultra Low-power RTC

• USB 2.0 Device/Mini Host: 480 Mbps, 4-kbyte 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)

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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

• ARM® Cortex®-M3 revision 2.0 running at up to 48 MHz

• From 4 to 24 Kbytes embedded SRAM
• 16 Kbytes ROM with embedded bootloader routines (UART) 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: 3 to 20 MHz main power with Failure Detection and optional 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
• One PLL up to 130 MHz for device clock
• Up to 10 peripheral DMA (PDC) channels

• Sleep and Backup modes, down to 3 μA in Backup mode
• Ultra low power RTC

• 4-channel 16-bit PWM
• 32-bit Real-time Timer and RTC with calendar and alarm features

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SAM3S8/SD8

The Atmel® SAM3S Cortex™ M3 Flash Microcontroller Family integrates features to simplify system design and reduce power consumption down to 2.3 mW at 1 MHz, 1.45mW/MHz at 64 MHz operation and 1.6 uA 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

• ARM® Cortex®-M3 revision 2.0 running at up to 64 MHz

• 16 Kbytes 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)

• 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 20 MHz main power with Failure Detection and optional 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 3 μA in Backup mode
• Ultra low power RTC

• USB 2.0 Device: 12 Mbps, 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	SPI
ATSAM3S8BA-AU	LQFP-64	512K	64K	47	11-Ch	2-Ch, 12-Bit	6x32-Bit	22	2/2	1
ATSAM3SD8BA-AU	LQFP-64	512K	64K	47	11-Ch	2-Ch, 12-Bit	6x32-Bit	24	2/2	1
ATSAM3S8CA-AU	LQFP-100	512K	64K	79	16-Ch	2-Ch, 12-Bit	6x32-Bit	22	2/2	1
ATSAM3SD8CA-AU	LQFP-100	512K	64K	79	16-Ch	2-Ch, 12-Bit	6x32-Bit	24	3/2	1

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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 96 MHz/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

• ARM® Cortex®-M3 revision 2.0 running at up to 96 MHz

• 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
• Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4 Kbytes RAM buffer and ECC

• Embedded voltage regulator for single supply operation
• POR, BOD and Watchdog for safe reset
• Quartz or resonator oscillators: 3 to 20 MHz main and optional 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 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

• Sleep and Backup modes, down to 2.5 μA in Backup mode
• Backup domain: VDDBU pin, RTC, 32 backup registers
• Ultra low power RTC: 0.6 μA

• USB 2.0 Device: 480 Mbps, 4-kbyte 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

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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.

Features

• ARM® Cortex®-M3 revision 2.0 running at up to 84 MHz

• 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
• Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4-kbyte RAM buffer and ECC
• SDRAM Controller

• Embedded voltage regulator for single supply operation
• POR, BOD and Watchdog for safe reset
• Quartz or ceramic resonator oscillators: 3 to 20 MHz main and optional 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 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

• Sleep and Backup modes, down to 2.5 μA in Backup mode
• Backup domain: VDDBU pin, RTC, eight 32-bit backup registers
• Ultra Low-power RTC

• USB 2.0 Device/Mini Host: 480 Mbps, 4-kbyte 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)