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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 Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C STM32L100RBT6ATR STMicroelectronics 1: £5.15 542In Stock	Mfr. Part No. STM32L100RBT6ATR Mouser Part No 511-STM32L100RBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C Learn More about STMicroelectronics stm32l1	Datasheet	542In Stock	Cut Tape £5.15 £3.96 £3.48 £3.33 Reel £3.08 View £3.20 £2.94 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32L100RB-A	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	51 I/O	10 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz STM32L100RCT6 STMicroelectronics 1: £6.14 665In Stock	Mfr. Part No. STM32L100RCT6 Mouser Part No 511-STM32L100RCT6	STMicroelectronics	ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	665In Stock	£6.14 £4.75 £4.18 £3.90 View £3.68 £3.67	Min.: 1 Mult.: 1	STM32L100RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBT6A STMicroelectronics 1: £5.30 1,046In Stock	Mfr. Part No. STM32L151CBT6A Mouser Part No 511-STM32L151CBT6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	1,046In Stock	£5.30 £3.82 £3.54 £3.24 View £3.10 £2.99 £2.95 £2.91 Quote	Min.: 1 Mult.: 1	STM32L151CB-A	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	37 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBU6A STMicroelectronics 1: £6.00 2,232In Stock	Mfr. Part No. STM32L151CBU6A Mouser Part No 511-STM32L151CBU6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	2,232In Stock	£6.00 £4.19 £4.00 £3.47 View £3.31 £3.16 £3.08 £2.99 Quote	Min.: 1 Mult.: 1	STM32L151CB-A	SMD/SMT	UFQPFN-48	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	37 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151RBT6A STMicroelectronics 1: £6.37 1,185In Stock	Mfr. Part No. STM32L151RBT6A Mouser Part No 511-STM32L151RBT6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	1,185In Stock	£6.37 £4.55 £4.26 £3.76 View £3.71 £3.49 £3.35 Quote	Min.: 1 Mult.: 1	STM32L151RB-A	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	51 I/O	16 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU STM32L151RDT6 STMicroelectronics 1: £7.53 440In Stock	Mfr. Part No. STM32L151RDT6 Mouser Part No 511-STM32L151RDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	440In Stock	£7.53 £5.85 £5.18 £4.85 View £4.57 £4.54 Quote	Min.: 1 Mult.: 1	STM32L151RD	SMD/SMT	LQFP-64	ARM Cortex M3	384 kB	32 bit	12 bit	32 MHz	51 I/O	48 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU STM32L151VDT6 STMicroelectronics 1: £8.23 410In Stock	Mfr. Part No. STM32L151VDT6 Mouser Part No 511-STM32L151VDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	410In Stock	£8.23 £6.29 £5.78 £5.44 View £5.23 £4.98 £4.87	Min.: 1 Mult.: 1	STM32L151VD	SMD/SMT	LQFP-100	ARM Cortex M3	384 kB	32 bit	12 bit	32 MHz	83 I/O	16 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152C6U6A STMicroelectronics 1: £5.12 1,142In Stock	Mfr. Part No. STM32L152C6U6A Mouser Part No 511-STM32L152C6U6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	1,142In Stock	£5.12 £3.76 £3.51 £3.08 View £2.92 £2.63 £2.51 £2.44 Quote	Min.: 1 Mult.: 1	STM32L152C6-A	SMD/SMT	UFQPFN-48	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	10 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152CCT6 STMicroelectronics 1: £6.15 1,016In Stock	Mfr. Part No. STM32L152CCT6 Mouser Part No 511-STM32L152CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,016In Stock	£6.15 £4.76 £4.42 £4.03 View £3.87 £3.65 £3.47 £3.35	Min.: 1 Mult.: 1	STM32L152CC	SMD/SMT	LQFP-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152RCT6 STMicroelectronics 1: £6.71 750In Stock	Mfr. Part No. STM32L152RCT6 Mouser Part No 511-STM32L152RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	750In Stock	£6.71 £5.19 £4.58 £4.29 View £4.12 £3.87 Quote	Min.: 1 Mult.: 1	STM32L152RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp ATSAM3S4BA-AU Microchip Technology 1: £4.91 1,556In Stock	Mfr. Part No. ATSAM3S4BA-AU Mouser Part No 556-ATSAM3S4BA-AU	Microchip Technology	ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp Learn More about Microchip Technology microchip sam3s mcu	Datasheet	1,556In Stock	£4.91 £4.45 £4.05	Min.: 1 Mult.: 1	SAM3S	SMD/SMT	QFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	64 MHz	47 I/O	48 kB	1.62 V	1.9 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU MM-LEGACY MM CY9BF524LPMC1-G-MNE2 Infineon Technologies 1: £5.86 1,600In Stock	Mfr. Part No. CY9BF524LPMC1-G-MNE2 Mouser Part No 727-9BF524LPMC1GMNE2	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY MM	Datasheet	1,600In Stock	£5.86 £4.53 £3.99 £3.73 View £3.51 £3.50	Min.: 1 Mult.: 1	MB9B520M	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	50 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5267AXI-LP051 Infineon Technologies 1: £11.05 572In Stock 900Expected 24/12/2026	Mfr. Part No. CY8C5267AXI-LP051 Mouser Part No 727-CY8C5267AXILP051	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	572In Stock 900Expected 24/12/2026	£11.05 £8.71 £7.53 £7.28 View £7.05 £6.78 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz	72 I/O	32 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU PSOC 5LP DIGITAL ONLY,67MHZ,256K CY8C5268AXI-LP047 Infineon Technologies 1: £11.24 444In Stock	Mfr. Part No. CY8C5268AXI-LP047 Mouser Part No 727-CY8C5268AXILP047	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP DIGITAL ONLY,67MHZ,256K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	444In Stock	£11.24 £8.85 £7.65 £7.39 View £7.12 £6.63 £6.56 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	72 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU PSOC 5 LP, 67MHZ 2AB 256K FLASH CY8C5268LTI-LP030 Infineon Technologies 1: £10.28 1,043In Stock	Mfr. Part No. CY8C5268LTI-LP030 Mouser Part No 727-CY8C5268LTILP030	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5 LP, 67MHZ 2AB 256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1,043In Stock	£10.28 £8.09 £7.21 £6.94 View £6.63 £6.47 £6.33 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	48 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU PSOC 5 LP, 67MHZ 2AB 256K FLASH CY8C5467LTI-LP003 Infineon Technologies 1: £10.45 928In Stock	Mfr. Part No. CY8C5467LTI-LP003 Mouser Part No 727-CY8C5467LTILP003	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5 LP, 67MHZ 2AB 256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	928In Stock	£10.45 £8.22 £7.33 £7.05 View £6.75 £6.71 £6.46 Quote	Min.: 1 Mult.: 1	CY8C54LPxxx	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 PSOC 5LP PERFO ANLOG 67MHZ,64K CY8C5666LTI-LP005 Infineon Technologies 1: £12.57 293In Stock	Mfr. Part No. CY8C5666LTI-LP005 Mouser Part No 727-CY8C5666LTILP005	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,64K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	293In Stock	£12.57 £10.43 £10.06 £9.04 View £8.68 £8.45 Quote	Min.: 1 Mult.: 1	CY8C56LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	64 kB	32 bit	12 bit	67 MHz			1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5688AXI-LP099 Infineon Technologies 1: £23.70 256In Stock 900Expected 31/12/2026	Mfr. Part No. CY8C5688AXI-LP099 Mouser Part No 727-CY8C5688AXILP099	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	256In Stock 900Expected 31/12/2026	£23.70 £19.14 £16.83 £16.52 View £16.16 £15.90 Quote	Min.: 1 Mult.: 1	CY8C56LPxxx	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 PSOC 5LP PERFO ANLOG 67MHZ,128K CY8C5867AXI-LP024 Infineon Technologies 1: £22.36 535In Stock	Mfr. Part No. CY8C5867AXI-LP024 Mouser Part No 727-CY8C5867AXILP024	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,128K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	535In Stock	£22.36 £17.49 £16.71 £15.18 View £14.66 £14.32 Quote	Min.: 1 Mult.: 1	CY8C58LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz			1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868AXI-LP032 Infineon Technologies 1: £21.56 90In Stock 900Expected 17/12/2026	Mfr. Part No. CY8C5868AXI-LP032 Mouser Part No 727-CY8C5868AXILP032	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	90In Stock 900Expected 17/12/2026	£21.56 £17.42 £16.17 £15.23 View £14.97 £14.29	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 256K Flash 64K SRAM PSoC 5LP CY8C5868LTI-LP038 Infineon Technologies 1: £21.48 358In Stock 2,600On Order	Mfr. Part No. CY8C5868LTI-LP038 Mouser Part No 727-CY8C5868LTILP038	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	358In Stock 2,600On Order On Order Ship Dates Mfr. No: CY8C5868LTI-LP038 Stock: 358 Can Dispatch Immediately On Order: 1,560 Expected 19/11/2026 1,040 Expected 26/11/2026 Factory Lead Time: 18 Weeks	£21.48 £16.81 £16.05 £14.67 View £14.38 £13.79 Quote	Min.: 1 Mult.: 1	CY8C58LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	48 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU MCU w/ ARM Cortex-M3 512K FLASH, 32K SRA TMPM333FDFG(C,J) Toshiba 1: £2.36 1,665In Stock	Mfr. Part No. TMPM333FDFG(C,J) Mouser Part No 757-TMPM333FDFGCJ	Toshiba	ARM Microcontrollers - MCU MCU w/ ARM Cortex-M3 512K FLASH, 32K SRA Learn More about Toshiba 32 bit arm mcu	Datasheet	1,665In Stock	£2.36 £1.97 £1.74 £1.56 View £1.55 £1.48 £1.44 £1.37	Min.: 1 Mult.: 1	TMPM333FDFG	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	10 bit	64 MHz	68 I/O	64 kB	2.7 V	3.6 V	0 C	+ 70 C	Tray
ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 LPC1517JBD48E NXP Semiconductors 1: £7.18 1,975In Stock	Mfr. Part No. LPC1517JBD48E Mouser Part No 771-LPC1517JBD48E	NXP Semiconductors	ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1500 series	Datasheet	1,975In Stock	£7.18 £5.57 £4.93 £4.73 View £4.51 £4.19 £4.08 £4.06	Min.: 1 Mult.: 1	LPC1500	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	2 x 12 bit	72 MHz	32 I/O	12 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 LPC1517JBD64E NXP Semiconductors 1: £9.35 1,919In Stock	Mfr. Part No. LPC1517JBD64E Mouser Part No 771-LPC1517JBD64E	NXP Semiconductors	ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1500 series	Datasheet	1,919In Stock	£9.35 £7.26 £6.93 £6.02 View £5.74 £5.23 £4.95 Quote	Min.: 1 Mult.: 1	LPC1500	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	2 x 12 bit	72 MHz	46 I/O	12 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 LPC1519JBD100E NXP Semiconductors 1: £10.64 652In Stock	Mfr. Part No. LPC1519JBD100E Mouser Part No 771-LPC1519JBD100E	NXP Semiconductors	ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1500 series	Datasheet	652In Stock	£10.64 £8.08 £7.75 £6.83 View £6.49 £6.28 £6.08 Quote	Min.: 1 Mult.: 1	LPC1500	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	2 x 12 bit	72 MHz	78 I/O	36 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray