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ARM Cortex M3 Core Semiconductors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG842F256G-F-QFP64R Silicon Labs 1: $15.35 5,787In Stock	Mfr. Part # EFM32LG842F256G-F-QFP64R Mouser Part # 634-32LG842256GFQFPR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	5,787In Stock	Cut Tape $15.35 $12.03 $11.19 $10.27 View Reel $9.36 $10.18 $9.58 $9.36 Quote	Min.: 1 Mult.: 1 : 1,000
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG230F256G-F-QFN64 Silicon Labs 1: $14.51 2,584In Stock	Mfr. Part # EFM32LG230F256G-F-QFN64 Mouser Part # 634-32LG230F256GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	2,584In Stock	$14.51 $11.53 $10.60 $9.83 View $9.33 $9.15 $8.94 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU QFP144,GREEN IND TEMP, MRL A ATSAM3X4EA-AU Microchip Technology 1: $17.10 1,107In Stock	Mfr. Part # ATSAM3X4EA-AU Mouser Part # 556-ATSAM3X4EA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP144,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3x mcu	Datasheet	1,107In Stock	$17.10 $15.55 $14.07 $14.03	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 ATSAM3U2CA-CU Microchip Technology 1: $7.90 4,419In Stock	Mfr. Part # ATSAM3U2CA-CU Mouser Part # 556-ATSAM3U2CA-CU	Microchip Technology	ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	4,419In Stock	$7.90 $7.89 $7.53 $7.37 $7.32	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B100F256GM32-C0 Silicon Labs 1: $7.01 6,730In Stock	Mfr. Part # EFM32JG1B100F256GM32-C0 Mouser Part # 634-JG1B100F256GM32C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	6,730In Stock	$7.01 $5.33 $4.91 $4.46 View $4.24 $4.11 $4.06 $4.00 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RCT6B STMicroelectronics 1: $10.69 3,768In Stock	Mfr. Part # STM32F100RCT6B Mouser Part # 511-STM32F100RCT6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	3,768In Stock	$10.69 $8.26 $7.27 $6.80 View $5.90 $5.79 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 7 TMRS 2 ADCS STM32F103RBT6TR STMicroelectronics 1: $11.43 19,404In Stock	Mfr. Part # STM32F103RBT6TR Mouser Part # 511-STM32F103RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 7 TMRS 2 ADCS Learn More about STMicroelectronics stm32f1	Datasheet	19,404In Stock	Cut Tape $11.43 $8.84 $7.80 $7.48 Reel $6.25 View $7.32 $6.93 $5.84 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ARM Microcontrollers - MCU 32BIT Cortex M3 128K 20KB RAM 2X12 ADC STM32F103VBT6 STMicroelectronics 1: $10.48 5,565In Stock	Mfr. Part # STM32F103VBT6 Mouser Part # 511-STM32F103VBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K 20KB RAM 2X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	5,565In Stock	$10.48 $8.57 $7.98 $7.44 View $7.29 $6.73 $6.62	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin STM32F103VCT6 STMicroelectronics 1: $11.77 12,339In Stock	Mfr. Part # STM32F103VCT6 Mouser Part # 511-STM32F103VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	12,339In Stock	$11.77 $9.61 $8.93 $8.29 View $8.13 $7.35 $7.15	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Mainstream Perform ARM Cortex-M3 MCU STM32F103ZGT6TR STMicroelectronics 1: $23.96 1,456In Stock	Mfr. Part # STM32F103ZGT6TR Mouser Part # 511-STM32F103ZGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Perform ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f1	Datasheet	1,456In Stock	Cut Tape $23.96 $18.77 $17.39 $16.06 $15.48 Reel $14.34 MouseReel Available	Min.: 1 Mult.: 1 : 500
RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex -M3 Bluet A 595-CC2640R2FRGZT CC2640R2FRGZR Texas Instruments 1: $7.67 4,754In Stock	Mfr. Part # CC2640R2FRGZR Mouser Part # 595-CC2640R2FRGZR	Texas Instruments	RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex -M3 Bluet A 595-CC2640R2FRGZT Learn More about Texas Instruments ti cc2640r2f simplelink	Datasheet	4,754In Stock	Cut Tape $7.67 $6.02 $5.55 $5.03 View Reel $4.46 $4.78 $4.64 $4.58 $4.46 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Development Boards & Kits - ARM Nucleo Board STM32F1 STM32F103RB 128K NUCLEO-F103RB STMicroelectronics 1: $42.67 1,263In Stock	Mfr. Part # NUCLEO-F103RB Mouser Part # 511-NUCLEO-F103RB	STMicroelectronics	Development Boards & Kits - ARM Nucleo Board STM32F1 STM32F103RB 128K Learn More about STMicroelectronics stm nucleo development boards	Datasheet	1,263In Stock	$42.67	Min.: 1 Mult.: 1 Max.: 20
ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin STM32F103VET6 STMicroelectronics 1: $14.42 25,645In Stock	Mfr. Part # STM32F103VET6 Mouser Part # 511-STM32F103VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	25,645In Stock	$14.42 $12.00 $10.66 $10.19 View $10.02 $9.75 $9.62 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN STM32F103VGT6 STMicroelectronics 1: $17.24 10,984In Stock	Mfr. Part # STM32F103VGT6 Mouser Part # 511-STM32F103VGT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	10,984In Stock	$17.24 $13.96 $13.17 $12.74 View $12.27 $12.10 $11.35	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line STM32F103ZEH7 STMicroelectronics 1: $21.07 2,525In Stock	Mfr. Part # STM32F103ZEH7 Mouser Part # 511-STM32F103ZEH7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line Learn More about STMicroelectronics stm32f1	Datasheet	2,525In Stock	$21.07 $16.58 $15.08 $14.21 View $13.75 $13.38 $12.10 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G222F128G-E-QFP48R Silicon Labs 1: $10.05 3,414In Stock	Mfr. Part # EFM32G222F128G-E-QFP48R Mouser Part # 634-32G222128GEFP48R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	3,414In Stock	Cut Tape $10.05 $7.75 $7.15 $6.54 Reel $5.86 View $6.06 $5.58	Min.: 1 Mult.: 1 : 1,000
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5668AXI-LP034 Infineon Technologies 1: $35.17 2,442In Stock	Mfr. Part # CY8C5668AXI-LP034 Mouser Part # 727-CY8C5668AXILP034	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	2,442In Stock	$35.17 $28.96 $25.92 $25.10 View $22.95 $22.93	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103VET6TR STMicroelectronics 1: $13.68 11,393In Stock	Mfr. Part # STM32F103VET6TR Mouser Part # 511-STM32F103VET6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	11,393In Stock	Cut Tape $13.68 $11.77 $10.99 $10.63 View Reel $8.85 $10.53 $10.11 $8.85 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB STM32F205RGT6 STMicroelectronics 1: $20.90 2,582In Stock	Mfr. Part # STM32F205RGT6 Mouser Part # 511-STM32F205RGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	2,582In Stock	$20.90 $16.50 $14.73 $13.87 View $13.81 $13.16 $13.03	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB STM32L151C6T6A STMicroelectronics 1: $7.11 12,803In Stock	Mfr. Part # STM32L151C6T6A Mouser Part # 511-STM32L151C6T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	12,803In Stock	$7.11 $5.42 $4.73 $4.52 View $4.30 $4.16 $3.65 $3.38 $3.30	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP100 TMPM3HNF10BFG Toshiba 1: $16.91 1,795In Stock	Mfr. Part # TMPM3HNF10BFG Mouser Part # 757-TMPM3HNF10BFG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP100 Learn More about Toshiba tmpm3h arm microcontrollers		1,795In Stock	$16.91 $14.01 $12.47 $12.18 View $11.56 $11.22 Quote	Min.: 1 Mult.: 1
RF Microcontrollers - MCU SimpleLink Bluetooth low enrgy Wirels MC A 595-CC2640R2FRGZR CC2640R2FRGZT Texas Instruments 1: $8.85 6,056In Stock	Mfr. Part # CC2640R2FRGZT Mouser Part # 595-CC2640R2FRGZT	Texas Instruments	RF Microcontrollers - MCU SimpleLink Bluetooth low enrgy Wirels MC A 595-CC2640R2FRGZR Learn More about Texas Instruments ti cc2640r2f simplelink	Datasheet	6,056In Stock	Cut Tape $8.85 $6.79 $6.28 $5.71 Reel $5.42 View $5.27 $5.20 $5.14 MouseReel Available	Min.: 1 Mult.: 1 : 250
ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM STM32F103RBT6 STMicroelectronics 1: $12.05 13,789In Stock	Mfr. Part # STM32F103RBT6 Mouser Part # 511-STM32F103RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	13,789In Stock	$12.05 $9.26 $8.26 $7.88 $7.42	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103RGT6TR STMicroelectronics 1: $20.44 3,000In Stock 1,000Expected 11/27/2026	Mfr. Part # STM32F103RGT6TR Mouser Part # 511-STM32F103RGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto Learn More about STMicroelectronics stm32f1	Datasheet	3,000In Stock 1,000Expected 11/27/2026	Cut Tape $20.44 $16.04 $14.61 $13.74 View Reel $11.48 $13.48 $12.70 $11.48 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH CY8C5468AXI-LP106 Infineon Technologies 1: $20.27 3,032In Stock	Mfr. Part # CY8C5468AXI-LP106 Mouser Part # 727-CY8C5468AXILP106	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	3,032In Stock	$20.27 $15.77 $14.26 $13.38 View $12.86 $12.09 $11.83 Quote	Min.: 1 Mult.: 1