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SAM Microcontrollers Family (101 parts in our catalog)

Microchip (formerly Atmel) SAM ARM Cortex-M microcontrollers. SAMD entry-level Cortex-M0+/M4 popular in Arduino Zero/MKR; SAME/SAMV high-end Cortex-M4/M7.

Sub-families

Sub-family Variants Core Max Speed Memory Features
ENTRY LEVEL
SAMD09D 1 ARM Cortex-M0Plus 48 MHz 8KB-16KB LP ADC PWM DMA
SAMD10C 3 Cortex-M0plus 48 MHz 8KB-16KB LP ADC PWM RTC
SAMD20J 2 Cortex-M0plus 48 MHz 16KB-256KB LP ADC DAC RTC PWM
SAMD10D 2 Cortex-M0plus 48 MHz 8KB-16KB LP ADC DAC PTC PWM
SAMD20E 1 ARM Cortex-M0plus 48 MHz 16KB-256KB LP ADC DAC RTC PWM
SAMD11C 1 ARM Cortex-M0plus 48 MHz 14-16KB LP USB ADC DAC PWM
MAINSTREAM
SAMD21G 15 ARM Cortex-M0Plus 48 MHz 32KB-256KB LP USB ADC DAC RTC
SAMD21J 7 Cortex-M0+ 48 MHz 32KB-256KB LP USB ADC AUTO RTC
SAMD21 1 Cortex-M0plus 48 MHz 32KB-256KB LP USB ADC DAC RTC
HIGH PERFORMANCE
SAME70Q 1 Cortex-M7 + FPU 300 MHz 512KB-2MB DSP FPU ETH CAN HS
SAMD51G 1 Cortex-M4F 120 MHz 256KB-512KB FPU DSP USB SEC ADC
SAMD51J 8 Cortex-M4F 120 MHz 512KB-1MB FPU DSP USB SEC ADC
SAMD51N 1 Cortex-M4F 120 MHz 512KB-1MB FPU DSP USB CAN SEC ADC
SAME51G 1 Cortex-M4 + FPU 120 MHz 256KB-512KB FPU DSP CAN ETH USB SEC
SAME54P 2 Cortex-M4 + FPU 120 MHz 1MB ETH CAN USB FPU AUTO
SAMD51P 2 Cortex-M4 + FPU 120 MHz 512KB-1MB DSP FPU USB ADC DAC CAN
SAME70 1 Cortex-M7 + FPU + DSP 300 MHz 512KB-2MB DSP FPU ETH CAN USB
ULTRA LOW POWER
SAML21J 2 Cortex-M0+ 48 MHz 64KB-256KB LP USB ADC DAC SEC
SAML21G 3 Cortex-M0+ Core 48 MHz 32KB-256KB LP USB ADC DAC RTC
SAML21E 1 ARM Cortex-M0+ 48 MHz 32KB-256KB LP USB ADC DAC SEC
SAML22G 1 ARM Cortex-M0plus 32 MHz 64KB-256KB LP LCD SEC ADC RTC
ENTRY LEVEL USB
SAMD11D 4 ARM Cortex-M0plus 48 MHz 16KB LP USB ADC DMA RTC
SECURITY AND ULTRA LOW POWER
SAML11E 1 ARM Cortex-M23 32 MHz 16-64KB LP SEC ADC DAC RTC
HIGH PERFORMANCE CONNECTIVITY
SAME51J 6 Cortex-M4F 120 MHz 512KB-1MB FPU DSP CAN ETH AUTO
SAME54N 1 Cortex-M4F 120 MHz 512KB-1MB FPU ETH CAN USB AUTO
SAME53J 2 Cortex-M4F 120 MHz 512KB-1MB ETH CAN FPU DSP SEC
SAME51N 1 Cortex-M4F 120 MHz 512KB-1MB FPU CAN USB SEC AUTO
SAME54 0 Cortex-M4F 120 MHz 256KB-1MB ETH CAN FPU DSP SEC
MAINSTREAM LOW POWER
SAMD21E 13 ARM Cortex-M0+ 48 MHz 32KB-256KB USB LP ADC PTC AUTO
5V AUTOMOTIVE
SAMC21G 2 Cortex-M0+ + DIVAS 48 MHz 32-256KB CAN AUTO ADC DAC HV
HIGH PERFORMANCE AUTOMOTIVE
SAMV71Q 5 Cortex-M7 + FPU 300 MHz 512KB-2MB DSP FPU ETH CAN AUTO
SAMV70N 2 Cortex-M7 + FPU 300 MHz 512KB-1MB AUTO DSP FPU CAN ETH
SAMV70J 1 Cortex-M7 + FPU 300 MHz 512KB DSP FPU CAN AUTO HS
SAMV70Q 2 Cortex-M7 + FPU 300 MHz 512KB-2MB AUTO DSP FPU CAN ETH
SAMV71N 1 Cortex-M7 + FPU 300 MHz 512KB-2MB AUTO ETH CAN DSP FPU
INDUSTRIAL 5V
SAMC21E 1 ARM Cortex-M0+ / DIVAS 48 MHz 32KB-128KB CAN ADC AUTO HV PWM
INDUSTRIAL 5V
SAMC20E 1 ARM Cortex-M0plus 48 MHz 32KB-256KB HV ADC PWM RTC PTC
INDUSTRIAL AUTOMOTIVE
SAMC21J 1 ARM Cortex-M0+ 48 MHz 32KB-256KB CAN AUTO HV ADC PWM

Popular Variants

Top variants from across the family, with specs that differentiate them.

Part Number Sub-family Flash RAM I/O Pins Package Speed ADC/DAC Stock
ATSAMD21G18A-AU SAMD21G 256KB 32K 38 TQFP-48 48M A/D 14x12b; D/A 1x.. 8,119
ATSAMD21G18A-AUT SAMD21G 256KB 32K 38 TQFP-48 48M A/D 14x12b; D/A 1x.. 2,675
ATSAMD21E18A-MU SAMD21E 256KB 32K 26 VFQFN-32 48M A/D 10x12b; D/A 1x.. 22,657
ATSAMD11D14A-MU SAMD11D 16KB 4K 22 VFQFN-24 48M A/D 10x12b; D/A 1x.. 12,434
ATSAMD21E18A-AUT SAMD21E 256KB 32K 26 TQFP-32 48M A/D 10x12b; D/A 1x.. 11,120
ATSAMD21E18A-AFT SAMD21E 256KB 32K 26 TQFP-32 48M A/D 10x12b; D/A 1x.. 11,484
ATSAMD51J19A-MU SAMD51J 512KB 192K 51 VFQFN-64 120M A/D 24x12b; D/A 2x.. 3,029
ATSAMD51J19A SAMD51J 512KB 192K 51 VFQFN-64 120M A/D 24x12b; D/A 2x.. 5,449
ATSAMD21G18A SAMD21G 256KB 32K 38 VFQFN-48 48M A/D 14x12b; D/A 1x.. 2,131
ATSAMD09D14A-MUT SAMD09D 16KB 4K 22 VFQFN-24 48M A/D 10x12b 12,310
ATSAML21J16B-AUT SAML21J 64KB 8K 51 TQFP-64 48M A/D 20x12b; D/A 2x.. 3,905
ATSAMD21E15B-AFT SAMD21E 32KB 4K 26 TQFP-32 48M A/D 10x12b; D/A 1x.. 2,970