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ARM Cortex M3 Core ARM Microcontrollers - MCU

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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.	Series	Mounting Style	Package / Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, STM32F105VCT6W STMicroelectronics 1: $13.91 333In Stock NRND	Mfr. Part # STM32F105VCT6W Mouser Part # 511-STM32F105VCT6W NRND	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, Learn More about STMicroelectronics stm32f105	Datasheet	333In Stock	$13.91 $10.92 $9.41 $9.10 View $9.06 $8.40 $8.21 Quote	Min.: 1 Mult.: 1	STM32F105VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB STM32F215VET6 STMicroelectronics 1: $15.46 526In Stock	Mfr. Part # STM32F215VET6 Mouser Part # 511-STM32F215VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	526In Stock	$15.46 $11.40 $10.52 $9.81 View $9.30 $9.29 Quote	Min.: 1 Mult.: 1	STM32F215VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	82 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash 120 MHz CPU, ART Accel, HW c STM32F215VGT7 STMicroelectronics 1: $17.66 519In Stock	Mfr. Part # STM32F215VGT7 Mouser Part # 511-STM32F215VGT7	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash 120 MHz CPU, ART Accel, HW c Learn More about STMicroelectronics stm32f2	Datasheet	519In Stock	$17.66 $15.43 $14.63 $13.31 View $12.87 $12.39 Quote	Min.: 1 Mult.: 1	STM32F215VG	SMD/SMT	LQFP-100	ARM Cortex M3	1 MB	32 bit	12 bit	120 MHz	82 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE USB CAN STM32F103R4H6A STMicroelectronics 1: $6.15 3,834In Stock	Mfr. Part # STM32F103R4H6A Mouser Part # 511-STM32F103R4H6A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	3,834In Stock	$6.15 $4.97 $4.72 $4.37 View $4.23 $3.96 $3.88 $3.63 Quote	Min.: 1 Mult.: 1	STM32F103R4	SMD/SMT	BGA-64	ARM Cortex M3	16 kB	32 bit	12 bit	72 MHz	51 I/O	6 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G210F128G-E-QFN32 Silicon Labs 1: $6.94 4,897In Stock	Mfr. Part # EFM32G210F128G-E-QFN32 Mouser Part # 634-32G210128GEQFN32	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	4,897In Stock	$6.94 $5.52 $4.99 $4.64 View $4.33 $4.20 $4.17 $4.06	Min.: 1 Mult.: 1		SMD/SMT	QFN-32	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	24 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128Kb Flash 32KbSRAM PSoC CY8C5267LTI-LP089 Infineon Technologies 1: $12.64 8,408In Stock	Mfr. Part # CY8C5267LTI-LP089 Mouser Part # 727-CY8C5267LTILP089	Infineon Technologies	ARM Microcontrollers - MCU 128Kb Flash 32KbSRAM PSoC Learn More about Infineon Technologies cypress psoc5lp	Datasheet	8,408In Stock	$12.64 $9.93 $9.24 $8.57 View $8.21 $7.86 $7.72 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz	48 I/O	32 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5488FNI-LP212T Infineon Technologies 1: $17.96 1,997In Stock	Mfr. Part # CY8C5488FNI-LP212T Mouser Part # 727-CY8C5488FNIP212T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	1,997In Stock	Cut Tape $17.96 $13.65 $13.08 $11.53 View Reel $10.34 $10.96 $10.60 $10.35 $10.34 Quote	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	WLCSP-99	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868AXI-LP035 Infineon Technologies 1: $32.03 1,749In Stock 12,400On Order	Mfr. Part # CY8C5868AXI-LP035 Mouser Part # 727-CY8C5868AXILP035	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1,749In Stock 12,400On Order On Order Ship Dates Mfr. #: CY8C5868AXI-LP035 Stock: 1,749 Can Ship Immediately On Order: 700 Expected 10/29/2026 7,200 Expected 3/4/2027 4,500 Expected 4/29/2027 Factory Lead-Time: 3 Weeks	$32.03 $25.87 $22.77 $22.12 View $21.87 $21.68 Quote	Min.: 1 Mult.: 1	CY8C58LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5888AXI-LP096 Infineon Technologies 1: $33.03 1,668In Stock	Mfr. Part # CY8C5888AXI-LP096 Mouser Part # 727-CY8C5888AXILP096	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1,668In Stock	$33.03 $26.71 $23.52 $22.86 View $22.59 $22.15 Quote	Min.: 1 Mult.: 1	CY8C58LPxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5888LTI-LP097 Infineon Technologies 1: $29.55 3,534In Stock	Mfr. Part # CY8C5888LTI-LP097 Mouser Part # 727-CY8C5888LTILP097	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	3,534In Stock	$29.55 $23.43 $22.21 $20.76 View $20.02 $19.56 Quote	Min.: 1 Mult.: 1	CY8C58LPxx	SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32B Cortex-M3 LCD 384Kb Flsh 32MHz CPU STM32L162VCH6 STMicroelectronics 1: $10.99 190In Stock	Mfr. Part # STM32L162VCH6 Mouser Part # 511-STM32L162VCH6	STMicroelectronics	ARM Microcontrollers - MCU 32B Cortex-M3 LCD 384Kb Flsh 32MHz CPU Learn More about STMicroelectronics stm32l1	Datasheet	190In Stock	$10.99 $8.55 $7.87 $7.17 View $6.60 $6.44 $6.06 Quote	Min.: 1 Mult.: 1	STM32L162VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	83 I/O	32 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Cortex-M3 MCU 128 Kbytes of Flash , RTC, LCD, USB STM32L152VBT6ATR STMicroelectronics 1: $9.20 185In Stock	Mfr. Part # STM32L152VBT6ATR Mouser Part # 511-STM32L152VBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Cortex-M3 MCU 128 Kbytes of Flash , RTC, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	185In Stock	Cut Tape $9.20 $7.13 $6.30 $6.04 Reel $5.46 View $5.98 $5.60 $5.12 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32L152VB-A	SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	83 I/O	16 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES EFM32G232F64G-E-QFP64 Silicon Labs 1: $6.37 410In Stock NRND	Mfr. Part # EFM32G232F64G-E-QFP64 Mouser Part # 634-32G232F64GEQFP64 NRND	Silicon Labs	ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES	Datasheet	410In Stock	$6.37 $5.07 $4.58 $4.20 View $4.09 $3.88 $3.85 $3.82	Min.: 1 Mult.: 1		SMD/SMT	TQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	32 MHz	53 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG280F1024G-E-QFP100 Silicon Labs 1: $19.51 440In Stock NRND	Mfr. Part # EFM32GG280F1024G-E-QFP100 Mouser Part # 634-32GG280F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	440In Stock	$19.51 $15.46 $14.45 $13.34 View $12.72 $12.49 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	LQFP-100	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	85 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG295F1024G-E-BGA120 Silicon Labs 1: $19.11 1,300In Stock NRND	Mfr. Part # EFM32GG295F1024G-E-BGA120 Mouser Part # 634-32GG295F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	1,300In Stock	$19.11 $15.47 $14.18 $13.33 View $12.71 $12.42 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	BGA-120	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	93 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG232F256G-F-QFP64 Silicon Labs 1: $10.74 1,600In Stock NRND	Mfr. Part # EFM32LG232F256G-F-QFP64 Mouser Part # 634-32LG232F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,600In Stock	$10.74 $8.25 $7.84 $7.24 View $6.88 $6.74 $6.52 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	TQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG332F256G-F-QFP64 Silicon Labs 1: $11.90 1,059In Stock NRND	Mfr. Part # EFM32LG332F256G-F-QFP64 Mouser Part # 634-32LG332F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,059In Stock	$11.90 $9.32 $8.67 $7.97 View $7.89 $7.42 $7.26 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	TQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	50 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 64KB STM32F100C8T6B STMicroelectronics 1: $5.39 21,658In Stock	Mfr. Part # STM32F100C8T6B Mouser Part # 511-STM32F100C8T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 64KB Learn More about STMicroelectronics stm32f1	Datasheet	21,658In Stock	$5.39 $4.10 $3.59 $3.43 View $3.26 $3.15	Min.: 1 Mult.: 1 Max.: 730	STM32F100C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	24 MHz	37 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RCT6BTR STMicroelectronics 1: $8.09 5,901In Stock	Mfr. Part # STM32F100RCT6BTR Mouser Part # 511-STM32F100RCT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	5,901In Stock	Cut Tape $8.09 $6.22 $5.59 $5.24 View Reel $4.68 $5.12 $4.84 $4.68 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	51 I/O	24 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN STM32F103CBT6 STMicroelectronics 1: $8.91 5,262In Stock 1,500Expected 1/21/2027	Mfr. Part # STM32F103CBT6 Mouser Part # 511-STM32F103CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN Learn More about STMicroelectronics stm32f1	Datasheet	5,262In Stock 1,500Expected 1/21/2027	$8.91 $6.68 $6.37 $5.53 View $5.28 $5.01 $4.89 $4.74	Min.: 1 Mult.: 1	STM32F103CB	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	37 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN STM32F103RCT6 STMicroelectronics 1: $9.54 18,274In Stock	Mfr. Part # STM32F103RCT6 Mouser Part # 511-STM32F103RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	18,274In Stock	$9.54 $7.66 $6.78 $6.19 View $6.05 $5.98 $5.90 Quote	Min.: 1 Mult.: 1	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins STM32F103RCT6TR STMicroelectronics 1: $9.83 11,421In Stock	Mfr. Part # STM32F103RCT6TR Mouser Part # 511-STM32F103RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins Learn More about STMicroelectronics stm32f1	Datasheet	11,421In Stock	Cut Tape $9.83 $7.72 $6.99 $6.55 $6.40 Reel $6.40 MouseReel Available	Min.: 1 Mult.: 1 Max.: 480 : 1,000	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Perf Line USB CAN STM32F103RCT7 STMicroelectronics 1: $10.75 2,698In Stock	Mfr. Part # STM32F103RCT7 Mouser Part # 511-STM32F103RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Perf Line USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	2,698In Stock	$10.75 $8.37 $7.42 $6.95 View $6.85 $6.42 $6.33	Min.: 1 Mult.: 1	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103RCY6TR STMicroelectronics 1: $10.43 3,957In Stock	Mfr. Part # STM32F103RCY6TR Mouser Part # 511-STM32F103RCY6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	3,957In Stock	Cut Tape $10.43 $8.06 $7.69 $6.67 View Reel $5.87 $6.61 $6.14 $5.87 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	STM32F103RC	SMD/SMT	WLCSP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103VCT6TR STMicroelectronics 1: $10.73 29,101In Stock	Mfr. Part # STM32F103VCT6TR Mouser Part # 511-STM32F103VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	29,101In Stock	Cut Tape $10.73 $8.53 $7.67 $7.26 View Reel $6.82 $7.10 $6.82 $6.82 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel