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ARM Cortex M3 Core Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCU6 STMicroelectronics 1: $8.51 3,580In Stock	Mfr. Part # STM32L151CCU6 Mouser Part # 511-STM32L151CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	3,580In Stock	$8.51 $7.16 $6.72 $6.47 View $6.35 $6.34	Min.: 1 Mult.: 1	SMD/SMT	UFQPFN-48	ARM Cortex M3	32 bit	32 MHz	256 kB	32 kB	12 bit	37 I/O	1.65 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5287AXI-LP095 Infineon Technologies 1: $16.59 10,582In Stock	Mfr. Part # CY8C5287AXI-LP095 Mouser Part # 727-CY8C5287AXILP095	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	10,582In Stock	$16.59 $14.00 $12.99 $12.54 View $12.46 $12.04 $11.29 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	80 MHz	256 kB	64 kB	12 bit	62 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A ATSAM3A4CA-AU Microchip Technology 1: $15.54 334In Stock	Mfr. Part # ATSAM3A4CA-AU Mouser Part # 556-ATSAM3A4CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3a mcu	Datasheet	334In Stock	$15.54 $15.25 $14.53 $14.49 View $13.29 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	84 MHz	256 kB	64 kB	12 bit	63 I/O	1.62 V	1.95 V	+ 85 C	Tray
ARM Microcontrollers - MCU QFP144,GREEN IND TEMP, MRL A ATSAM3X4EA-AU Microchip Technology 1: $18.94 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	$18.94 $17.22 $15.60 $15.58 $15.52	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	84 MHz	256 kB	64 kB	12 bit	103 I/O	1.62 V	1.95 V	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB EFM32LG230F128G-F-QFN64R Silicon Labs 1: $14.24 2,650In Stock	Mfr. Part # EFM32LG230F128G-F-QFN64R Mouser Part # 634-32LG230F128GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	2,650In Stock	Cut Tape $14.24 $11.07 $10.28 $9.42 View Reel $8.08 $8.93 $8.76 $8.55 $8.08 Quote	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	128 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU BGA100,GREEN IND TEMP, MRLA ATSAM3X8CA-CU Microchip Technology 1: $17.16 256In Stock	Mfr. Part # ATSAM3X8CA-CU Mouser Part # 556-ATSAM3X8CA-CU	Microchip Technology	ARM Microcontrollers - MCU BGA100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3x mcu	Datasheet	256In Stock	$17.16 $15.60 $14.13	Min.: 1 Mult.: 1	SMD/SMT	LFBGA-100	ARM Cortex M3	32 bit	84 MHz	512 kB	96 kB	12 bit	63 I/O	1.62 V	1.95 V	+ 85 C	Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES EFM32GG380F512G-E-QFP100R Silicon Labs 1: $23.83 2,100In Stock	Mfr. Part # EFM32GG380F512G-E-QFP100R Mouser Part # 634-32GG380F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	2,100In Stock	Cut Tape $23.83 $19.18 $17.18 $16.34 View Reel $13.16 $16.24 $15.32 $13.16	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	48 MHz	512 kB	128 kB	12 bit	81 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024GM48-C Silicon Labs 1: $10.71 982In Stock	Mfr. Part # EFM32JG12B500F1024GM48-C Mouser Part # 634-JG12B500FGM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	982In Stock	$10.71 $9.37 $8.70 $8.44 View $8.22 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	33 I/O	1.8 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A ATSAM3X4CA-AU Microchip Technology 1: $15.84 160In Stock	Mfr. Part # ATSAM3X4CA-AU Mouser Part # 556-ATSAM3X4CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3x mcu	Datasheet	160In Stock	$15.84 $14.41 $13.03	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	84 MHz	256 kB	64 kB	12 bit	63 I/O	1.62 V	1.95 V	+ 85 C	Tray
ARM Microcontrollers - MCU PSOC5LP CY8C5667AXQ-LP040 Infineon Technologies 1: $31.23 170In Stock	Mfr. Part # CY8C5667AXQ-LP040 Mouser Part # 727-CY8C5667AXQLP040	Infineon Technologies	ARM Microcontrollers - MCU PSOC5LP Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	170In Stock	$31.23 $25.24 $24.19 $21.31 View $19.45 $18.66 $18.42 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	67 MHz	128 kB	32 kB	12 bit	62 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB STM32F207VFT6 STMicroelectronics 1: $25.03 314In Stock	Mfr. Part # STM32F207VFT6 Mouser Part # 511-STM32F207VFT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB Learn More about STMicroelectronics stm32f2	Datasheet	314In Stock	$25.03 $19.67 $18.17 $16.78 View $16.47 $15.45 $15.26	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	120 MHz	768 kB	128 kB	12 bit	16 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5266FNI-LP205T Infineon Technologies 1: $22.54 698In Stock	Mfr. Part # CY8C5266FNI-LP205T Mouser Part # 727-CY8C5266FNLP205T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	698In Stock	Cut Tape $22.54 $17.12 $16.42 $14.47 View Reel $12.48 $13.81 $13.18 $12.48 Quote	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	WLCSP-99	ARM Cortex M3	32 bit	80 MHz	64 kB	16 kB	12 bit	62 I/O	1.71 V	5.5 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU MM-LEGACY MM CY9BF618TPMC-GK7E1 Infineon Technologies 1: $27.20 280In Stock	Mfr. Part # CY9BF618TPMC-GK7E1 Mouser Part # 727-C9BF618TPMCGK7E1	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY MM	Datasheet	280In Stock	$27.20 $21.97 $21.07 $18.56 View $17.71 $16.82 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-176	ARM Cortex M3	32 bit	144 MHz	1 MB	128 kB	12 bit	154 I/O	2.7 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5288LTI-LP090 Infineon Technologies 1: $21.31 773In Stock	Mfr. Part # CY8C5288LTI-LP090 Mouser Part # 727-CY8C5288LTILP090	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	773In Stock	$21.31 $16.82 $15.00 $14.44 View $13.84 $13.18 $12.86 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	ARM Cortex M3	32 bit	80 MHz	256 kB	64 kB	12 bit	38 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller based on ARM Cortex-M3 LPC1768UKZ NXP Semiconductors 1: $22.33 1,319In Stock 4,000Expected 2027-04-12	Mfr. Part # LPC1768UKZ Mouser Part # 771-LPC1768UKZ	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	1,319In Stock 4,000Expected 2027-04-12	Cut Tape $22.33 $16.98 $16.27 $14.33 View Reel $12.67 $13.64 $13.19 $12.76 $12.67 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	WLCSP-100	ARM Cortex M3	32 bit	100 MHz	512 kB	64 kB	12 bit	70 I/O	2.4 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE ADUCM362BCPZ256 Analog Devices 1: $39.74 741In Stock	Mfr. Part # ADUCM362BCPZ256 Mouser Part # 584-ADUCM362BCPZ256	Analog Devices	ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	741In Stock	$39.74 $35.48 $29.59 $29.09 View $28.38 $27.82 Quote	Min.: 1 Mult.: 1	SMD/SMT	LFCSP-48	ARM Cortex M3	32 bit	16 MHz	256 kB	24 kB	24 bit	19 I/O	1.8 V	3.6 V	+ 125 C	Tray
ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP144 TMPM3HQF10BFG Toshiba 1: $21.37 1,194In Stock	Mfr. Part # TMPM3HQF10BFG Mouser Part # 757-TMPM3HQF10BFG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP144 Learn More about Toshiba tmpm3h arm microcontrollers		1,194In Stock	$21.37 $17.71 $15.78 $15.47 View $14.79 $13.95 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	120 MHz		130 kB	12 bit	134 I/O	2.7 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU,M3,120MHz,512kBMem/66kBRAM,QFP144 TMPM3HQFDAFG Toshiba 1: $16.53 598In Stock	Mfr. Part # TMPM3HQFDAFG Mouser Part # 757-TMPM3HQFDAFG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,512kBMem/66kBRAM,QFP144 Learn More about Toshiba tmpm3h arm microcontrollers		598In Stock	$16.53 $13.69 $12.17 $12.14 View $11.69 $11.68 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	120 MHz		66 kB	12 bit	135 I/O	2.7 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex M3 CAM 10224 kB STM32F217IGH6 STMicroelectronics 1: $33.29 1,389In Stock	Mfr. Part # STM32F217IGH6 Mouser Part # 511-STM32F217IGH6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M3 CAM 10224 kB Learn More about STMicroelectronics stm32f2	Datasheet	1,389In Stock	$33.29 $26.58 $23.89 $22.52 View $22.48 $21.63 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-176	ARM Cortex M3	32 bit	120 MHz	1 MB	128 kB	12 bit	140 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5668AXI-LP010 Infineon Technologies 1: $42.13 929In Stock	Mfr. Part # CY8C5668AXI-LP010 Mouser Part # 727-CY8C5668AXILP010	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	929In Stock	$42.13 $33.68 $30.23 $28.84 View $28.28 $27.22 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	67 MHz	256 kB	64 kB	12 bit	72 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG395F1024G-E-BGA120 Silicon Labs 1: $29.56 1,162In Stock NRND	Mfr. Part # EFM32GG395F1024G-E-BGA120 Mouser Part # 634-32GG395F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	1,162In Stock	$29.56 $24.41 $21.99 $21.02 View $20.06 $19.53 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-120	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	93 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU MCU,M3,120MHz,512kBMem/66kBRAM,QP64 TMPM3HLFDAUG Toshiba 1: $11.58 1,461In Stock	Mfr. Part # TMPM3HLFDAUG Mouser Part # 757-TMPM3HLFDAUG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,512kBMem/66kBRAM,QP64 Learn More about Toshiba tmpm3h arm microcontrollers		1,461In Stock	$11.58 $9.60 $8.48 $8.09 View $7.39 $7.34 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	120 MHz		66 kB	12 bit	57 I/O	2.7 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP128 TMPM3HPF10BFG Toshiba 1: $11.85 1,795In Stock	Mfr. Part # TMPM3HPF10BFG Mouser Part # 757-TMPM3HPF10BFG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP128 Learn More about Toshiba tmpm3h arm microcontrollers		1,795In Stock	$11.85 $9.82 $8.68 $8.24 View $8.15 $7.98 $7.69 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-128	ARM Cortex M3	32 bit	120 MHz		130 kB	12 bit	118 I/O	2.7 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 64PINS 128KB STM32F100RBT6B STMicroelectronics 1: $10.45 3,701In Stock	Mfr. Part # STM32F100RBT6B Mouser Part # 511-STM32F100RBT6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 64PINS 128KB Learn More about STMicroelectronics stm32f1	Datasheet	3,701In Stock	$10.45 $8.02 $7.06 $6.96 View $6.54 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	24 MHz	128 kB	8 kB	12 bit	51 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RCT6B STMicroelectronics 1: $11.84 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	$11.84 $9.14 $8.05 $7.53 View $6.54 $6.34 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	24 MHz	256 kB	24 kB	12 bit	51 I/O	2 V	3.6 V	+ 85 C	Tray