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ARM Cortex M3 Core 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.	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	Qualification	Packaging
RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex-M3 multipr A 595-CC2650F128RSMR CC2650F128RSMT Texas Instruments 1: £6.87 96In Stock	Mfr. Part No. CC2650F128RSMT Mouser Part No 595-CC2650F128RSMT	Texas Instruments	RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex-M3 multipr A 595-CC2650F128RSMR Learn More about Texas Instruments ti cc2650 simplelink mcus	Datasheet	96In Stock	Cut Tape £6.87 £5.33 £4.93 £4.51 Reel £4.31 View £4.18 £4.07 £3.86 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-32	ARM Cortex M3									+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 16/32B RISC Fl MCU A 595-S4MF03107SPZQQ1 A 595-S4MF03107SPZQQ1R S4MF03107SPZQQ1 Texas Instruments 1: £12.96 6In Stock	Mfr. Part No. S4MF03107SPZQQ1 Mouser Part No 595-S4MF03107SPZQQ1	Texas Instruments	ARM Microcontrollers - MCU 16/32B RISC Fl MCU A 595-S4MF03107SPZQQ1 A 595-S4MF03107SPZQQ1R	Datasheet	6In Stock	£12.96 £9.84 £9.44 £8.31 View £7.91 £7.64 £7.40 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit/16 bit	80 MHz	320 kB	16 kB	10 bit	49 I/O	3.3 V	3.3 V	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU MM-LEGACY MM CY9BF524KPMC-G-MNE2 Infineon Technologies 1: £5.90 264In Stock	Mfr. Part No. CY9BF524KPMC-G-MNE2 Mouser Part No 727-C9BF524KPMCGMNE2	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY MM	Datasheet	264In Stock	£5.90 £4.55 £4.00 £3.83 View £3.66 £3.48 £3.46 £3.35 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	32 bit	72 MHz	256 kB	32 kB	12 bit	35 I/O	2.7 V	5.5 V	+ 105 C		Tray
ARM Microcontrollers - MCU PSoC5LP CY8C5888AXQ-LP096 Infineon Technologies 1: £26.00 11In Stock 1,080Expected 19/11/2026	Mfr. Part No. CY8C5888AXQ-LP096 Mouser Part No 727-CY8C5888AXQLP096	Infineon Technologies	ARM Microcontrollers - MCU PSoC5LP Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	11In Stock 1,080Expected 19/11/2026	£26.00 £21.50 £19.44 £18.39 View £17.55 £17.34 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 Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1758FBD80K NXP Semiconductors 1: £13.16 107In Stock 595Expected 20/04/2027	Mfr. Part No. LPC1758FBD80K Mouser Part No 771-LPC1758FBD80K	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	107In Stock 595Expected 20/04/2027	£13.16 £10.00 £9.59 £8.45 View £8.03 £7.77	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	32 bit	100 MHz	512 kB	64 kB	12 bit	52 I/O	3.3 V	3.3 V	+ 85 C		Tray
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1758FBD80Y NXP Semiconductors 1: £12.07 84In Stock 2,000On Order	Mfr. Part No. LPC1758FBD80Y Mouser Part No 771-LPC1758FBD80Y	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	84In Stock 2,000On Order On Order Ship Dates Mfr. No: LPC1758FBD80Y Stock: 84 Can Dispatch Immediately On Order: 1,000 Expected 21/12/2026 1,000 Expected 20/04/2027 Factory Lead Time: 39 Weeks	Cut Tape £12.07 £9.54 £8.53 £8.22 £7.86 Reel £7.31 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-80	ARM Cortex M3	32 bit	100 MHz	512 kB	64 kB	12 bit	52 I/O	2.4 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, TFBGA100 package LPC1765FET100K NXP Semiconductors 1: £12.77 247In Stock	Mfr. Part No. LPC1765FET100K Mouser Part No 771-LPC1765FET100K	NXP Semiconductors	ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, TFBGA100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	247In Stock	£12.77 £9.70 £9.30 £8.19 View £7.80 £7.53 £7.29 Quote	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	32 bit	100 MHz	256 kB	64 kB	12 bit	70 I/O	2.4 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1777FBD208,551 NXP Semiconductors 1: £17.58 5In Stock	Mfr. Part No. LPC1777FBD208,551 Mouser Part No 771-LPC1777FBD208551	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	5In Stock	£17.58 £15.93 £12.41 £11.51 View £11.24 £10.49 £10.33 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-208	ARM Cortex M3	32 bit	120 MHz	512 kB	96 kB	12 bit	165 I/O	2.4 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU 512kB flash, 96kB SRAM, USB, LCD, LQFP208 package LPC1787FBD208,551 NXP Semiconductors 1: £17.97 84In Stock	Mfr. Part No. LPC1787FBD208,551 Mouser Part No 771-LPC1787FBD208551	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 96kB SRAM, USB, LCD, LQFP208 package Learn More about NXP Semiconductors nxplpc1778lpc1788	Datasheet	84In Stock	£17.97 £16.16 £12.74 £12.08 View £11.84 £11.45 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-208	ARM Cortex M3	32 bit	120 MHz	512 kB	96 kB	12 bit	165 I/O	2.4 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1830FET180,551 NXP Semiconductors 1: £12.15 143In Stock	Mfr. Part No. LPC1830FET180,551 Mouser Part No 771-LPC1830FET180551	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	143In Stock	£12.15 £9.24 £8.85 £7.80 View £7.42 £7.17 £6.95 Quote	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-180	ARM Cortex M3	32 bit	180 MHz	0 B	200 kB	10 bit	118 I/O	2.4 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1833JBD144E NXP Semiconductors 1: £17.14 3In Stock	Mfr. Part No. LPC1833JBD144E Mouser Part No 771-LPC1833JBD144E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	3In Stock	£17.14 £13.85 £13.28 £11.70	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	180 MHz	512 kB	136 kB	2 x 10 bit	83 I/O	2.4 V	3.6 V	+ 105 C		Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1833JET100E NXP Semiconductors 1: £13.71 11In Stock 780On Order	Mfr. Part No. LPC1833JET100E Mouser Part No 771-LPC1833JET100E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	11In Stock 780On Order On Order Ship Dates Mfr. No: LPC1833JET100E Stock: 11 Can Dispatch Immediately On Order: 260 Expected 30/11/2026 520 Expected 30/12/2026 Factory Lead Time: 39 Weeks	£13.71 £11.58 £10.61 £9.76 View £9.42 £8.97	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	32 bit	180 MHz	512 kB	136 kB	2 x 10 bit	49 I/O	2.4 V	3.6 V	+ 105 C		Tray
ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 flashless MCU with security features; 136 kB SRAM; EMC LPC18S10FBD144E NXP Semiconductors 1: £11.07 60In Stock	Mfr. Part No. LPC18S10FBD144E Mouser Part No 771-LPC18S10FBD144E	NXP Semiconductors	ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 flashless MCU with security features; 136 kB SRAM; EMC Learn More about NXP Semiconductors nxp lpc18sx mcu	Datasheet	60In Stock	£11.07 £9.38 £8.98 £7.11 View £6.92 £6.68 £6.56 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	180 MHz	0 B	136 kB	10 bit	83 I/O	3.3 V	3.3 V	+ 85 C		Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F100RCT6TR STMicroelectronics 1: £6.95 121In Stock NRND	Mfr. Part No. STM32F100RCT6TR Mouser Part No 511-STM32F100RCT6TR NRND	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	121In Stock	Cut Tape £6.95 £5.21 £4.97 £4.32 Reel £3.59 View £4.16 £3.90 £3.53 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	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		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb Low Power MCU STM32L151C6T6 STMicroelectronics 1: £5.60 311In Stock NRND	Mfr. Part No. STM32L151C6T6 Mouser Part No 511-STM32L151C6T6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb Low Power MCU Learn More about STMicroelectronics stm32l1	Datasheet	311In Stock	£5.60 £4.18 £3.81 £3.46 View £3.30 £3.06 £3.02	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	32 bit	32 MHz	32 kB	10 kB	12 bit	37 I/O	1.8 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Low Power MCU STM32L151RBT6TR STMicroelectronics 1: £7.52 28In Stock NRND	Mfr. Part No. STM32L151RBT6TR Mouser Part No 511-STM32L151RBT6TR NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Low Power MCU Learn More about STMicroelectronics stm32l1	Datasheet	28In Stock	Cut Tape £7.52 £5.82 £5.35 £4.85 View Reel £4.22 £4.71 £4.32 £4.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,000			ARM Cortex M3	32 bit						1.65 V	3.6 V			Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU STELLARIS ARM S817 LM3S817-IQN50-C2 Texas Instruments 1: £14.19 86In Stock NRND	Mfr. Part No. LM3S817-IQN50-C2 Mouser Part No 868-LM3S817-IQN50 NRND	Texas Instruments	ARM Microcontrollers - MCU STELLARIS ARM S817 Learn More about Texas Instruments ti processors solutions	Datasheet	86In Stock	£14.19 £11.29 £10.12 £9.76 View £9.23 £8.83 £8.73 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	32 bit	50 MHz	64 kB	8 kB	10 bit	30 I/O	3 V	3.6 V	+ 85 C		Bulk
ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A ATSAM3S8BA-AU Microchip Technology 1: £5.82 27In Stock	Mfr. Part No. ATSAM3S8BA-AU Mouser Part No 556-ATSAM3S8BA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A Learn More about Microchip Technology microchip sam3s mcu	Datasheet	27In Stock	£5.82 £5.28 £4.78	Min.: 1 Mult.: 1	SMD/SMT	QFP-64	ARM Cortex M3	32 bit	64 MHz	512 kB	64 kB	12 bit	47 I/O	1.62 V	1.9 V	+ 85 C		Tray
ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M ATSAM3U2EA-CU Microchip Technology 1: £5.96 4In Stock	Mfr. Part No. ATSAM3U2EA-CU Mouser Part No 556-ATSAM3U2EA-CU	Microchip Technology	ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M Learn More about Microchip Technology microchip sam3u mcus	Datasheet	4In Stock	£5.96 £5.42 £4.91	Min.: 1 Mult.: 1	SMD/SMT	LFBGA-144	ARM Cortex M3	32 bit	96 MHz	128 kB	36 kB	12 bit	96 I/O	1.62 V	1.95 V	+ 85 C		Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG290F1024G-E-BGA112 Silicon Labs 1: £14.75 56In Stock	Mfr. Part No. EFM32GG290F1024G-E-BGA112 Mouser Part No 634-32GG290F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	56In Stock	£14.75 £11.69 £10.93 £10.09 View £9.62 £9.45	Min.: 1 Mult.: 1	SMD/SMT	BGA-112	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	90 I/O	1.98 V	3.8 V	+ 85 C		Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES EFM32GG290F512G-E-BGA112 Silicon Labs 1: £12.25 4In Stock	Mfr. Part No. EFM32GG290F512G-E-BGA112 Mouser Part No 634-32GG290F512-E	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	4In Stock	£12.25 £9.59 £8.93 £8.20 View £8.12 £7.64 £7.47 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-112	ARM Cortex M3	32 bit	48 MHz	512 kB	128 kB	12 bit	90 I/O	1.98 V	3.8 V	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU EFM32JG1B100F128GM32-C0 Silicon Labs 1: £3.59 76In Stock	Mfr. Part No. EFM32JG1B100F128GM32-C0 Mouser Part No 634-JG1B100F12832C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	76In Stock	£3.59 £2.71 £2.49 £2.23 View £2.12 £2.11 £1.98 £1.94	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M3	32 bit	40 MHz	128 kB	32 kB	12 bit	24 I/O	1.85 V	3.8 V	+ 85 C		Tray
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package LPC1769FBD100/P1K NXP Semiconductors 1: £15.92 139In Stock Factory Special Order	Mfr. Part No. LPC1769FBD100/P1K Mouser Part No 771-LPC1769FBD100P1K Factory Special Order	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package	Datasheet	139In Stock	£15.92 £12.72 £11.44 £11.03 View £10.40 £10.39	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	120 MHz	512 kB	64 kB	12 bit	70 I/O	2.4 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC ADUCM3029BCPZ Analog Devices 1: £24.14 1In Stock	Mfr. Part No. ADUCM3029BCPZ Mouser Part No 584-ADUCM3029BCPZ	Analog Devices	ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC Learn More about Analog Devices adi aducm3027 aducm3029 ulp mcu	Datasheet	1In Stock	£24.14 £20.78 £17.29 £16.42 View £16.12 £15.90 Quote	Min.: 1 Mult.: 1	SMD/SMT	LFCSP-64	ARM Cortex M3	32 bit	26 MHz	256 kB	64 kB	12 bit	44 I/O	1.74 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG330F1024G-E-QFN64 Silicon Labs 1: £13.76 3In Stock NRND	Mfr. Part No. EFM32GG330F1024G-E-QFN64 Mouser Part No 634-32GG330F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	3In Stock	£13.76 £10.90 £10.19 £9.40 View £8.97 £8.81	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	52 I/O	1.98 V	3.8 V	+ 85 C		Tray