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ochip technology previously atmel that are based on various 32 bit arm processor cores with in house designed peripherals and tool support contents 1 overview 2 history 3 products 3 1 microcontrollers 3 1 1 sam c 3 1 2 sam d 3 1 3 sam l 3 1 4 sam 3 3 1 5 sam 4 3 1 6 sam x70 3 1 7 legacy 3 1 7 1 at91sam7 3 2 microprocessors 3 2 1 at91sam9 3 2 2 sama5 3 3 smart energy 3 4 arduino boards 3 5 atmel boards 4 development tools 4 1 cortex m 4 2 ide 4 3 debuggers 5 documentation 6 see also 7 references 8 further reading 9 external links overview edit main articles arm architecture arm cortex m and arm cortex a arm licenses the core design for a series of 32 bit processors arm does not manufacture any complete silicon products just intellectual property ip the arm processors are risc reduced instruction set computing this is similar to microchip s avr 8 bit products a later adoption of risc architecture whereas the avr architecture used harvard architecture exclusively some arm cores are harvard cortex m3 and others are von neumann architecture arm7tdmi semiconductor companies such as microchip take the arm cores which use a consistent set of instructions and register naming and add peripheral circuits such as adcs analog to digital converters clock management and serial communications such as usart spi i2c can lin usb ethernet and lcd camera or touch controllers microchip made efforts to adapt advanced peripherals and power management that used very little power and can operate independently without having the cpu core powered up sleepwalking they also provided for dma between external interfaces and memories increasing data throughput with minimal processor intervention microchip sells both mcus microcontroller units that have internal flash memory and mpus microprocessor units that use external memory in addition to the chips themselves microchip offers demo boards both on its website and through distribution channels such as digi key farnell ineltek arrow avnet future electronics and mouser some of the microchip arm based products are meant for specific applications such as their sam4cp that is used in smart grid energy meters history edit 1995 sign arm arm7tdmi thumb core license agreement armv4t von neumann architecture an mpu core atmel made into mcu at91m40800 1998 at91m42800a at91m55800a at91r40008 at91fr40162 2002 sam7s se sam7x xc sam7l 1995 sign arm920t arm9tdmi mpu core license agreement armv4t von neumann architecture at91rm9200 2003 2000 sign arm926ej arm9e mpu core license agreement armv5 architecture at91sam9260 2006 at91sam9263 2007 sam9xe 2008 sam9n cn sam9r 2009 sam9g 2009 sam9x sam9m 2010 2004 sign arm1176jz s core license agreement not used in atmel parts 2008 sign cortex license agreement with arm holdings 1 cortex m3 mcu armv7 m harvard architecture sam3u 2009 2 sam3s 2009 3 sam3n 2010 4 sam3a 2012 5 sam3x 2012 5 cortex m4 mcu armv7e m harvard architecture sam4s 2011 6 sam4l 2012 7 sam4e 2013 series based on the arm cortex m4f first atmel mcu that has a fpu floating point unit 8 sam4n 2013 sam4c 2014 dual core 9 sam g51 53 2014 based on the arm cortex m4f 10 sam g54 55 2015 based on the arm cortex m4f 11 cortex a5 mpu armv7 a architecture sama5d3 series 2013 atmel announced the sama5d3 series based on the arm cortex a5 which is the first atmel chip with a cortex a5 core 1 sama5d4 2014 12 sama5d2 series 2015 13 cortex m0 mcu in the sam d20 2013 armv6 m architecture in june 2013 atmel announced the samd20 series based on the arm cortex m0 14 cortex m7 mcu armv7 m architecture sams70 series 2015 atmel announced the sam s70 series based on the arm cortex m7 15 same70 series 2015 atmel announced the sam s70 series based on the arm cortex m7 15 samv70 series 2015 atmel announced the sam s70 series based on the arm cortex m7 which is the first atmel chip automotive grade with a cortex m7 core 16 products edit microcontrollers edit microcontrollers have internal program memory as well as the conventional internal registers and ram microchip arm mcus range from the sam d10 series with as few as 14 pins to the 144 pin sam s70 and sam e70 products the sam4s sam4n sam3s sam3n sam7s 64 pin families have pin compatible ic footprints except for usb device though they are not voltage level compatible 17 sam c edit this section needs expansion you can help by adding to it september 2020 the atmel c family was launched in may 2015 18 based on cortex m0 pin and code compatible with the sam d and sam l series 18 with wide operating voltage ranges 2 7 5 5 v can bus and up to 12 dma controller channels sam d edit this section needs expansion you can help by adding to it august 2020 the sam d atsamd 19 family from microchip consists of four different sub series sam d10 sam d11 sam d20 sam d21 the devices are all based on the arm cortex m0 processor and offer different pin memory and feature combinations the devices are pin and code compatible and share peripherals like the event system and the sercom module for reconfigurable multiplexed serial communication ports 20 the arduino zero board uses an atsamd21g18 chip 21 the sam d5x e5x and sam d51 feature the 32 bit cortex m4f sam l edit this section needs expansion you can help by adding to it september 2020 sam 3 edit arduino due board with atmel atsam3x8e arm cortex m3 core microcontroller in 2009 atmel announced the atsam3u line of flash based microcontrollers based on the arm cortex m3 processor as a higher end evolution of the sam7 microcontroller products they have a top clock speed in the range of 100 mhz and come in a variety of flash sizes in the summer 2009 these parts were still sampling and a development board had recently been made available in december 2009 the atsam3s line was announced this features several enhancements for lower power operation and bill of materials cost reduction market watchers observe that these cortex m3 products are competition for atmel s own avr32 uc3a products both are microcontrollers with largely identical peripherals and other hardware technology flash based similar clock speeds and with dense 16 32 bit risc instruction sets sam3a sam3n sam3s reduce power consumption sam3u high speed usb sam3x the arduino due board uses the atmel sam3x8e microcontroller 22 sam 4 edit the atsam4 is based on the arm cortex m4 core the sam4e includes a fpu floating point unit the sam4c includes a dual core arm cortex m4 one core with a fpu 1 august 2017 the atsamd5x and atsame5x family was announced this features several enhancements for lower power operation and more peripherals ethernet and canbus fd in same5x series 1 sam4c arm cortex m4 m4f dual core which includes fpu sam4e18 16 series arm cortex m4f core which includes fpu sam4l arm cortex m4 core sam4n arm cortex m4 core pin to pin compatibility with sam4s sam3s sam3n sam7s devices sam4s arm cortex m4 core samg5x arm cortex m4f core which includes fpu atsamg55 for 120 mhz cpu speed samd5x latest arm cortex m4f core which includes fpu and integrated security including symmetric aes and asymmetric ecc encryption public key exchange support pukcc trng and sha based memory integrity checker same5x same with d5x plus ethernet mac and can fd networking peripherals both samd5x e5x series integrate many similar peripherals for ex timers and sercoms for uart i2c spi etc from atsamd2x and atsamc2x m0 series thus is easier to upgrade to m4f core mcus sam x70 edit these are based on the arm cortex m7 core sams70 general purpose high performance mcu same70 connectivity high performance mcu samv70 samv71 automotive high performance mcu legacy edit at91sam7 edit there are a wide variety of at91 flash based microcontrollers based on arm7tdmi cores these chips have a top clock speed in the range of 60 mhz and come with a variety of flash sizes and peripheral sets sam7l low power operation sam7s usb and other peripherals sam7s 64 pin chips are compatible with sam4s sam4n sam3s sam3n families sam7se usb external memory support and other peripherals sam7x ethernet usb can and other peripherals sam7xc cryptographic extensions notably aes support to at91sam7x chips microprocessors edit at91sam9 edit the at91sam9xe flash based microcontrollers are based on the arm926ej s cores they have a top clock speed in the range of 200 up to 400 mhz and come with a variety of flash sizes they somewhat resemble flash equipped at91sam9260 chips microchip introduced the at91sam9 processors using the arm926ej s core with the armv5tej architecture as its first broad market follow on to the highly successful at91rm9200 processor these processors improved on that predecessor by using less power incorporating a newer and more powerful arm core and providing a variety of chips with different peripheral sets while most are clocked at up to about 200 mhz some can run at twice that speed processors include sam9g25 sam9g45 sam9x35 sam9xe512 sam9260 sama5 edit this series is based on the arm cortex a5 core 1 23 sama5d2 sama5d2 10 100 ethernet can lcd classd audio qspi usb hsic raw bayer image sensor interface lpddr3 lpddr2 lpddr ddr2 up to 10 uart sama5d3 sama5d31 10 100 ethernet lcd sama5d33 gigabit ethernet lcd sama5d34 gigabit ethernet lcd dual can sama5d35 no lcd dual can one gigabit ethernet one 10 100 ethernet sama5d36 lcd dual can one gigabit ethernet one 10 100 ethernet sama5d4 sama5d4 528 mhz 840 dmips neon 128 kb l2 cache video decoder lcd ethernet smart energy edit sam 4c cm arduino boards edit see also arduino and list of arduino boards and compatible systems official arduino due with 84 mhz atmel atsam3x8e arm cortex m3 core arduino zero with 48 mhz atmel atsamd21g18 arm cortex m0 core arduino mkr1000 with 48 mhz atmel atsamw25 arm cortex m0 core shield compatible shield compatible rascal with 400 mhz atmel at91sam9g20 arm926ej s core atmel boards edit xplained pro xplained sam w21 sama5 development tools edit cortex m edit main article list of arm cortex m development tools ide edit integrated development environments windows microchip mplab and atmel studio 7 iar embedded workbench for arm crossware development suite for arm linux buildroot 24 openembedded 25 meta atmel yocto compliant layer 26 debuggers edit atmel ice jtag ice segger j link crossware jaguar documentation edit the amount of documentation for all arm chips is daunting especially for newcomers the documentation for microcontrollers from past decades would easily be inclusive in a single document but as chips have evolved so has the documentation grown the total documentation is especially hard to grasp for all arm chips since it consists of documents from the ic manufacturer for example microchip and documents from cpu core vendor arm holdings a typical top down documentation tree is manufacturer website manufacturer marketing slides manufacturer datasheet for the exact physical chip manufacturer detailed reference manual that describes common peripherals and aspects of a physical chip family arm core generic user guide arm core technical reference manual arm architecture reference manual that describes the instruction set s documentation tree top to bottom microchip microcontrollers and microprocessors website microchip arm series marketing slides microchip arm chip datasheet arm core website arm core generic user guide arm core technical reference manual arm architecture reference manual microchip has additional documents such as evaluation board user manuals application notes getting started guides software library documents errata and more see external links section for links to official microchip and arm documents see also edit electronics portal arm architecture list of arm microprocessor cores arm cortex m microcontroller list of common microcontrollers embedded system single board microcontroller interrupt interrupt handler comparison of real time operating systems jtag swd references edit a b c press release atmel february 4 2013 press release atmel june 1 2009 archived from the original on 2014 07 14 retrieved 2013 01 06 press release atmel december 15 2009 archived from the original on 2014 07 14 retrieved 2013 01 06 press release atmel november 9 2010 archived from the original on 2014 07 14 retrieved 2013 01 06 a b press release atmel february 28 2012 archived from the original on 2013 03 17 retrieved 2013 01 06 press release atmel october 26 2011 archived from the original on 2013 03 17 retrieved 2013 01 06 press release atmel september 24 2012 archived from the original on 2013 03 17 retrieved 2013 01 06 press release atmel january 14 2013 press release atmel august 12 2014 press release atmel january 7 2014 press release atmel january 5 2015 press release atmel october 1 2014 press release atmel september 14 2015 press release atmel june 17 2013 a b press release atmel july 15 2015 press release atmel jan 6 2015 pin compatible cortex replacement for microchip arm7 sam7s derivatives ece may 2011 permanent dead link a b atmel launches innovative 5v cortex m0 mcu family with integrated peripheral touch controller prnewswire com as furnished by atmel corporation 27 may 2015 retrieved 1 september 2020 microsite atmel july 11 2014 adding more sercom ports for samd boards learn sparkfun com retrieved 2021 09 29 arduino zero arduino cc arduino due arduino cc sama5 webpage microchip com buildroot openembedded meta atmel yocto compliant layer archived from the original on 2019 01 22 retrieved 2019 10 05 further reading edit see also list of books about arm cortex m external links edit microcontrollers digital signal controllers and microprocessors official documents official website arm official documents main article arm cortex m external links other atmel at91 arm microcontroller forum atmel at91 embedded linux support v t e arm based chips v t e application arm based chips arm arm architecture family list of arm processors list of products using arm processors arm cortex a arm cortex r arm cortex m comparison of armv7 a processors comparison of armv8 a processors application processors 32 bit armv7 a cortex a5 actions atm702x amlogic m805 s805 t82 x atmel sama5d3 infotm imapx820 imapx15 qualcomm snapdragon s4 play 200 rda rda8810pl telechips tcc892x cortex a7 allwinner a2x a3x a83t h3 h8 nxp i mx7 qoriq ls10xx nxp i mx6ul broadcom videocore bcm2836 bcm23550 leadcore lc1813 lc1860 c lc1913 lc1960 marvell armada pxa1920 1500 mini plus mediatek mt65xx qualcomm snapdragon 200 400 cortex a8 allwinner a1x apple a4 freescale i mx5 rockchip rk291x samsung exynos 3110 s5pc110 s5pv210 texas instruments omap 3 texas instruments sitara am3xxx texas instruments dm38x ziilabs zms 08 cortex a9 actions atm702 x atm703 x altera cyclone v arria v 10 amlogic aml8726 mx m6x m801 m802 s802 s812 t86 x apple a5 a5x broadcom videocore bcm21xxx bcm28xxx freescale i mx6 hisilicon k3v2 910 s infotm imapx912 leadcore lc1810 lc1811 marvell armada 1500 mini mediatek mt65xx nvidia tegra 2 3 4i nufront nusmart 2816m ns115 ns115m renesas emma ev2 r car h1 rz a rockchip rk292 x rk30...