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SAM3U, Cortex-M3 MicrocontrollerFirst Cortex-M3 Flash Microcontroller with High-speed USB and Phy

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Oct-09 2

SAM3U – USB High-speed Device

� World’s First Cortex-M3 MCU with USB High-speed (480Mbps) Device and integrated transceiver:� Enables fast down- and upload of data files

� Robust and EMI tolerant

� Just Plug and Play

� Interoperability

� Low cost

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Oct-09 3

SAM3U in the ARM Family

SAM3Cortex M3

Flash MCU

SAM7ARM7 FlashMCU

SAM7LUltraLow

Power

30 60 240

MHz

400 533

High EndMPU

32-bit MCU 32-bit Embedded MPU

SAM9 MPUARM9 MPU

SAM9 MCUARM9 Flash &Large SRAM

MCU

Functionality

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Oct-09 4

SAM3U – Benefits

� High-speed Bridging� Sustains 100Mbps+ data rates between multiple high-speed peripherals

including High-speed USB 2.0, SDIO/SDCard 2.0, MMC 4.3 and EBI

� High performance� A 96MHz max frequency allows designers to build more feature-rich applications

� Market’s lowest operating voltage at 1.62V� Extended operation time when running from batteries

� First Cortex-M3 MCU with Dual-bank Flash with boot bank select� Secure self-programming including the boot program

� High-end 12-bit 1Msps Analog-to-Digital Converter� On-chip Programmable Gain Amplifier and differential input support reduces

external component count and real estate

� Better code protection� Hardware security, including external memory scrambling and unique 128-bit ID

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Oct-09 5

SAM3U Block Diagram

� High Speed USB Device

� Up to 96 MHz, 1.62V to 3.6V

� RTC with calendar feature

� 12/8/4 MHz trimmed RC

� UART & USB bootloader

� EBI with SRAM, PSRAM, NOR & NAND Flash support

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Oct-09 6

True High-speed USB Performanceand High-Speed Bridging

�4KB DPRAM memory to store full packets payloads

�DMA controller with dedicated bus layer on the matrix

�7 configurable endpoints with programmable buffer space

Mode Max bandwidth

Bulk 53.24MB/s

Interrupt 49.15MB/s

Isochronous 49.15MB/s

Control 15.87MB/s

High-speed Peripheral Maximum Bandwidth

USB Device 425 Mbps

External Bus Interface >500 Mbps out of 7ns SRAM

MMC Interface 384 Mbps

SDIO/SDCard 192 Mbps

SPI 48 Mbps

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Oct-09 7

� Development tools, RTOS, middleware, support and evaluation kit

� Maximum Code portability between SAM3 and SAM7� Thanks to identical hardware abstraction layers, as well as common peripherals.

SAM3U Ecosystem

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Oct-09 8

� High-speed Bridges (>20Mbps)

� PC & Mobile Phone Accessories

� USB Tokens & Drives

� Industrial & Medical

� Dataloggers

SAM3U – Target Markets

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Oct-09 9

SAM3U on the Web

Also visit

www.atmel.com/sam3u