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ARM Cortex M3 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel STM32F205VGT6V STMicroelectronics 1: £13.15 539In Stock NRND	Mfr. Part No. STM32F205VGT6V Mouser Part No 511-STM32F205VGT6V NRND	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	539In Stock	£13.15 £10.30 £9.60 £9.36 View £8.83 £8.59 £8.58 Quote	Min.: 1 Mult.: 1	STM32F205VG	SMD/SMT	LQFP-100	ARM Cortex M3	1 MB	32 bit	12 bit	120 MHz	82 I/O	132 kB	1.8 V	3.6 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE USB CAN STM32F103R4H6A STMicroelectronics 1: £4.62 3,834In Stock	Mfr. Part No. STM32F103R4H6A Mouser Part No 511-STM32F103R4H6A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	3,834In Stock	£4.62 £3.73 £3.54 £3.28 View £3.18 £2.98 £2.92 £2.72	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: £5.21 4,897In Stock	Mfr. Part No. EFM32G210F128G-E-QFN32 Mouser Part No 634-32G210128GEQFN32	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	4,897In Stock	£5.21 £4.15 £3.75 £3.48 View £3.25 £3.15 £3.13 £3.05	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 EMBEDDED_POWER TLE98932QKW62SXUMA1 Infineon Technologies 1: £8.86 475In Stock 1,900Expected 06/04/2027	Mfr. Part No. TLE98932QKW62SXUMA1 Mouser Part No 726-TLE98932QKW62SXU	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon motix tle989x microcontrollers	Datasheet	475In Stock 1,900Expected 06/04/2027	Cut Tape £8.86 £6.89 £6.57 £5.71 View Reel £4.60 £5.45 £4.97 £4.70 £4.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,900	TLE989x	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	10 bit, 12 bit	60 MHz	25 I/O	32 kB	5.5 V	28 V	- 40 C	+ 175 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES EFM32G232F64G-E-QFP64 Silicon Labs 1: £4.78 410In Stock NRND	Mfr. Part No. EFM32G232F64G-E-QFP64 Mouser Part No 634-32G232F64GEQFP64 NRND	Silicon Labs	ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES	Datasheet	410In Stock	£4.78 £3.81 £3.44 £3.15 View £3.07 £2.92 £2.89 £2.87	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: £14.65 440In Stock NRND	Mfr. Part No. EFM32GG280F1024G-E-QFP100 Mouser Part No 634-32GG280F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	440In Stock	£14.65 £11.61 £10.85 £10.01 View £9.55 £9.38 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: £14.34 1,300In Stock NRND	Mfr. Part No. EFM32GG295F1024G-E-BGA120 Mouser Part No 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	£14.34 £11.61 £10.64 £10.00 View £9.54 £9.32 £9.22 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 1024k Flash, 128k RAM, USB, AES EFM32GG380F1024G-E-QFP100 Silicon Labs 1: £14.02 788In Stock NRND	Mfr. Part No. EFM32GG380F1024G-E-QFP100 Mouser Part No 634-32GG380F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	788In Stock	£14.02 £11.82 £10.76 £10.21 View £9.86 £9.03	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	LQFP-100	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	81 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: £8.07 1,600In Stock NRND	Mfr. Part No. EFM32LG232F256G-F-QFP64 Mouser Part No 634-32LG232F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,600In Stock	£8.07 £6.20 £5.88 £5.44 View £5.17 £5.06 £4.90 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: £8.93 1,059In Stock NRND	Mfr. Part No. EFM32LG332F256G-F-QFP64 Mouser Part No 634-32LG332F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,059In Stock	£8.93 £7.00 £6.51 £5.98 View £5.93 £5.57 £5.45 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: £4.05 22,991In Stock	Mfr. Part No. STM32F100C8T6B Mouser Part No 511-STM32F100C8T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 64KB Learn More about STMicroelectronics stm32f1	Datasheet	22,991In Stock	£4.05 £3.08 £2.70 £2.58 View £2.44 £2.37	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: £6.08 5,901In Stock	Mfr. Part No. STM32F100RCT6BTR Mouser Part No 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 £6.08 £4.67 £4.20 £3.94 View Reel £3.51 £3.84 £3.63 £3.51 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: £5.20 4,112In Stock	Mfr. Part No. STM32F101R8T6 Mouser Part No 511-STM32F101R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	4,112In Stock	£5.20 £4.00 £3.51 £3.27 View £3.26 £3.07 £3.06	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: £6.69 5,216In Stock 1,500Expected 25/01/2027	Mfr. Part No. STM32F103CBT6 Mouser Part No 511-STM32F103CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K MED Performance LN Learn More about STMicroelectronics stm32f1	Datasheet	5,216In Stock 1,500Expected 25/01/2027	£6.69 £5.01 £4.78 £4.16 View £3.96 £3.76 £3.68 £3.56	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: £7.16 17,051In Stock	Mfr. Part No. STM32F103RCT6 Mouser Part No 511-STM32F103RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	17,051In Stock	£7.16 £5.75 £5.09 £4.64 View £4.54 £4.49 £4.43 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: £7.38 11,341In Stock	Mfr. Part No. STM32F103RCT6TR Mouser Part No 511-STM32F103RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins Learn More about STMicroelectronics stm32f1	Datasheet	11,341In Stock	Cut Tape £7.38 £5.80 £5.25 £4.91 £4.80 Reel £4.80 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: £8.08 2,805In Stock	Mfr. Part No. STM32F103RCT7 Mouser Part No 511-STM32F103RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Perf Line USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	2,805In Stock	£8.08 £6.29 £5.57 £5.22 View £5.14 £4.82 £4.75	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: £7.83 3,957In Stock	Mfr. Part No. STM32F103RCY6TR Mouser Part No 511-STM32F103RCY6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	3,957In Stock	Cut Tape £7.83 £6.05 £5.77 £5.01 View Reel £4.41 £4.96 £4.61 £4.41 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: £8.06 29,101In Stock	Mfr. Part No. STM32F103VCT6TR Mouser Part No 511-STM32F103VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	29,101In Stock	Cut Tape £8.06 £6.41 £5.76 £5.45 View Reel £5.12 £5.33 £5.12 £5.12 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: £13.41 4,736In Stock	Mfr. Part No. STM32F103ZGT6 Mouser Part No 511-STM32F103ZGT6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 32-Bit 1Mbyte Flash 72 MHz Learn More about STMicroelectronics stm32f1	Datasheet	4,736In Stock	£13.41 £10.54 £9.40 £8.95 View £8.71 £8.17 £8.00 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: £6.66 9,128In Stock	Mfr. Part No. STM32F105RBT6TR Mouser Part No 511-STM32F105RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Connectivity Learn More about STMicroelectronics stm32f1	Datasheet	9,128In Stock	Cut Tape £6.66 £5.16 £4.55 £4.37 Reel £3.53 View £4.27 £4.05 £3.42 Quote 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 STM32F107RCT6 STMicroelectronics 1: £8.49 3,123In Stock	Mfr. Part No. STM32F107RCT6 Mouser Part No 511-STM32F107RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3,123In Stock	£8.49 £6.63 £5.88 £5.50 View £5.20 £5.12	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: £7.94 3,495In Stock	Mfr. Part No. STM32F205RBT6 Mouser Part No 511-STM32F205RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB Learn More about STMicroelectronics stm32f2	Datasheet	3,495In Stock	£7.94 £6.19 £5.66 £5.12 View £4.93 £4.46 £4.35 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 Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP STM32L100C6U6A STMicroelectronics 1: £3.92 7,771In Stock	Mfr. Part No. STM32L100C6U6A Mouser Part No 511-STM32L100C6U6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP Learn More about STMicroelectronics stm32l1	Datasheet	7,771In Stock	£3.92 £2.98 £2.60 £2.49 View £2.36 £2.26 £2.20 £2.17 £2.12	Min.: 1 Mult.: 1	STM32L100C6-A	SMD/SMT	UFQFPN-48	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	4 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU EMBEDDED_POWER TLE9879QTW40XUMA1 Infineon Technologies 1: £6.27 5,611In Stock	Mfr. Part No. TLE9879QTW40XUMA1 Mouser Part No 726-TLE9879QTW40XUMA	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon tle987	Datasheet	5,611In Stock	Cut Tape £6.27 £4.85 £4.28 £4.05 View Reel £3.41 £3.95 £3.63 £3.60 £3.41 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