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ARM Cortex M3 Core ARM 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.	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 Leopard Gecko MCU IC 256KB EFM32LG332F256G-F-QFP64 Silicon Labs 1: $17.14 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	$17.14 $13.42 $12.48 $11.48 View $11.36 $10.68 $10.45 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: $8.01 22,136In Stock	Mfr. Part # STM32F100C8T6B Mouser Part # 511-STM32F100C8T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 64KB Learn More about STMicroelectronics stm32f1	Datasheet	22,136In Stock	$8.01 $6.09 $5.33 $5.10 View $4.84 $4.68	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: $11.65 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 $11.65 $8.96 $8.05 $7.55 View Reel $6.83 $7.37 $6.97 $6.83 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 64KB 10KB RAM 1X12 ADC STM32F101R8T6 STMicroelectronics 1: $9.98 4,042In Stock	Mfr. Part # STM32F101R8T6 Mouser Part # 511-STM32F101R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	4,042In Stock	$9.98 $7.66 $6.72 $6.28 View $6.25 $5.89 $5.88	Min.: 1 Mult.: 1	STM32F101R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	36 MHz	64 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN STM32F103CBT6 STMicroelectronics 1: $12.83 4,351In Stock 1,500Expected 2027-02-01	Mfr. Part # STM32F103CBT6 Mouser Part # 511-STM32F103CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN Learn More about STMicroelectronics stm32f1	Datasheet	4,351In Stock 1,500Expected 2027-02-01	$12.83 $9.62 $9.17 $7.96 View $7.60 $7.21 $7.04 $6.83	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 Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m STM32F103CBU6TR STMicroelectronics 1: $12.34 4,559In Stock	Mfr. Part # STM32F103CBU6TR Mouser Part # 511-STM32F103CBU6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	4,559In Stock	Cut Tape $12.34 $9.42 $8.38 $7.88 View Reel $6.67 $7.68 $7.01 $6.94 $6.67 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM32F103CB	SMD/SMT	UFQFPN-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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 7 TMRS 2 ADCS STM32F103RBT6TR STMicroelectronics 1: $13.15 18,687In 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	18,687In Stock	Cut Tape $13.15 $10.18 $8.99 $8.61 Reel $7.40 View $8.51 $7.98 $6.47 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN STM32F103RCT6 STMicroelectronics 1: $13.35 16,741In 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	16,741In Stock	$13.35 $10.92 $9.32 $8.73 View $8.65 $8.63 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: $14.16 11,424In Stock	Mfr. Part # STM32F103RCT6TR Mouser Part # 511-STM32F103RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins Learn More about STMicroelectronics stm32f1	Datasheet	11,424In Stock	Cut Tape $14.16 $11.12 $10.07 $9.43 $9.22 Reel $9.22 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: $14.59 2,656In 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	2,656In Stock	$14.59 $11.53 $10.68 $9.71 View $9.48 $8.99 $8.87 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	+ 105 C	Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103RCY6TR STMicroelectronics 1: $15.02 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 $15.02 $11.61 $11.07 $9.60 View Reel $8.45 $9.52 $8.84 $8.45 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: $15.45 29,181In Stock	Mfr. Part # STM32F103VCT6TR Mouser Part # 511-STM32F103VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	29,181In Stock	Cut Tape $15.45 $12.28 $11.04 $10.45 View Reel $9.49 $10.22 $9.65 $9.49 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
ARM Microcontrollers - MCU ARM Cortex M3 32-Bit 1Mbyte Flash 72 MHz STM32F103ZGT6 STMicroelectronics 1: $25.47 4,719In Stock	Mfr. Part # STM32F103ZGT6 Mouser Part # 511-STM32F103ZGT6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 32-Bit 1Mbyte Flash 72 MHz Learn More about STMicroelectronics stm32f1	Datasheet	4,719In Stock	$25.47 $19.94 $17.91 $17.11 View $16.37 Quote	Min.: 1 Mult.: 1	STM32F103ZG	SMD/SMT	LQFP-144	ARM Cortex M3	1 MB	32 bit	12 bit	72 MHz	112 I/O	96 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Connectivity STM32F105RBT6TR STMicroelectronics 1: $12.77 9,129In Stock	Mfr. Part # STM32F105RBT6TR Mouser Part # 511-STM32F105RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Connectivity Learn More about STMicroelectronics stm32f1	Datasheet	9,129In Stock	Cut Tape $12.77 $9.89 $8.73 $8.37 View Reel $7.72 $8.28 $7.92 $7.72 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F105RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105RCT6 STMicroelectronics 1: $12.31 12,038In Stock	Mfr. Part # STM32F105RCT6 Mouser Part # 511-STM32F105RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	12,038In Stock	$12.31 $9.88 $9.29 $8.58 View $8.42 $8.08 $7.68	Min.: 1 Mult.: 1	STM32F105RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RCT6 STMicroelectronics 1: $16.27 3,123In Stock	Mfr. Part # STM32F107RCT6 Mouser Part # 511-STM32F107RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3,123In Stock	$16.27 $12.70 $11.26 $10.56 View $9.98 $9.84	Min.: 1 Mult.: 1	STM32F107RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB STM32F205RBT6 STMicroelectronics 1: $15.55 3,320In Stock	Mfr. Part # STM32F205RBT6 Mouser Part # 511-STM32F205RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB Learn More about STMicroelectronics stm32f2	Datasheet	3,320In Stock	$15.55 $12.11 $10.86 $10.02 View $9.66 $8.58 Quote	Min.: 1 Mult.: 1	STM32F205RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	120 MHz	51 I/O	64 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU EMBEDDED_POWER TLE9879QTW40XUMA1 Infineon Technologies 1: $12.02 5,611In Stock	Mfr. Part # TLE9879QTW40XUMA1 Mouser Part # 726-TLE9879QTW40XUMA	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon tle987	Datasheet	5,611In Stock	Cut Tape $12.02 $9.29 $8.21 $7.76 View Reel $6.55 $7.57 $6.97 $6.90 $6.55 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TLE987x	SMD/SMT	TQFP-48	ARM Cortex M3	128 kB	32 bit	10 bit	40 MHz	10 I/O	6 kB	5.5 V	27 V	- 40 C	+ 175 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 128Kb Flash 32KbSRAM PSoC CY8C5267LTI-LP089 Infineon Technologies 1: $18.20 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	$18.20 $14.30 $13.31 $12.34 View $11.82 $11.32 $11.12 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: $25.86 1,895In 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	1,895In Stock	Cut Tape $25.86 $19.66 $18.84 $16.60 View Reel $14.89 $15.78 $15.26 $14.90 $14.89 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: $42.75 1,969In Stock 11,700On 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	1,969In Stock 11,700On Order On Order Ship Dates Mfr. #: CY8C5868AXI-LP035 Stock: 1,969 Can Ship Immediately On Order: 4,500 Expected 2026-12-31 7,200 Expected 2027-04-15 Factory Lead-Time: 18 Weeks	$42.75 $36.62 $33.32 $31.29 View $30.59 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 CY8C5888LTI-LP097 Infineon Technologies 1: $42.55 3,494In 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	3,494In Stock	$42.55 $33.74 $31.98 $29.89 View $28.83 $28.17 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 Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1756FBD80Y NXP Semiconductors 1: $20.15 2,432In Stock	Mfr. Part # LPC1756FBD80Y Mouser Part # 771-LPC1756FBD80Y	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	2,432In Stock	Cut Tape $20.15 $15.31 $14.67 $12.93 $12.56 Reel $10.66	Min.: 1 Mult.: 1 : 1,000	LPC1700	SMD/SMT	LQFP-80	ARM Cortex M3	256 kB	32 bit	12 bit	100 MHz	52 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package LPC1768FBD100K NXP Semiconductors 1: $25.13 2,641In Stock 2,700Expected 2027-01-25	Mfr. Part # LPC1768FBD100K Mouser Part # 771-LPC1768FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	2,641In Stock 2,700Expected 2027-01-25	$25.13 $20.51 $18.42 $17.76 View $16.69 $16.62 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT		ARM Cortex M3	512 kB	32 bit	12 bit	100 MHz	70 I/O	64 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, TFBGA100 package LPC1768FET100,551 NXP Semiconductors 1: $27.63 6,530In Stock	Mfr. Part # LPC1768FET100,551 Mouser Part # 771-LPC1768FET100551	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, TFBGA100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	6,530In Stock	$27.63 $22.32 $21.40 $18.85 View $17.93 $17.11 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT	TFBGA-100	ARM Cortex M3	512 kB	32 bit	12 bit	100 MHz	70 I/O	64 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Tray