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ARM Cortex M4 Core Embedded Processors & Controllers

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Core = ARM Cortex M4

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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	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- STM32L486RGT6 STMicroelectronics 1: £9.00 886Expected 22/02/2027	Mfr. Part No. STM32L486RGT6 Mouser Part No 511-STM32L486RGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	886Expected 22/02/2027	£9.00 £7.13 £6.67	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- STM32L486RGT7 STMicroelectronics 1: £9.07 956On Order	Mfr. Part No. STM32L486RGT7 Mouser Part No 511-STM32L486RGT7	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	956On Order	£9.07 £7.10 £6.30 £6.05	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- STM32L486RGT7TR STMicroelectronics 1: £8.96 977On Order	Mfr. Part No. STM32L486RGT7TR Mouser Part No 511-STM32L486RGT7TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	977On Order	Cut Tape £8.96 £7.00 £6.22 £5.98 Reel £5.98 MouseReel Available	Min.: 1 Mult.: 1 Max.: 250 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- STM32L486VGT6TR STMicroelectronics 1: £9.59 1,986On Order	Mfr. Part No. STM32L486VGT6TR Mouser Part No 511-STM32L486VGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,986On Order On Order Ship Dates Mfr. No: STM32L486VGT6TR Stock: 0 On Order: 986 Expected 24/02/2027 1,000 TBD Factory Lead Time: 52 Weeks	Cut Tape £9.59 £7.59 £7.23 £6.41 Reel £6.41 MouseReel Available	Min.: 1 Mult.: 1 Max.: 150 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M4	82 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD STM32L496VGT6 STMicroelectronics 1: £9.88 1,365Expected 08/03/2027	Mfr. Part No. STM32L496VGT6 Mouser Part No 511-STM32L496VGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,365Expected 08/03/2027	£9.88 £7.58 £7.05 £6.44 £6.21	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	83 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD STM32L496ZGT6 STMicroelectronics 1: £11.15 964Expected 23/04/2027	Mfr. Part No. STM32L496ZGT6 Mouser Part No 511-STM32L496ZGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	964Expected 23/04/2027	£11.15 £8.77 £7.83 £7.46	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-144	ARM Cortex M4	115 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD STM32L496ZGT6P STMicroelectronics 1: £10.70 579On Order	Mfr. Part No. STM32L496ZGT6P Mouser Part No 511-STM32L496ZGT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	579On Order	£10.70 £8.39 £7.77 £7.17	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-144	ARM Cortex M4	115 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD STM32L4S5VIT6 STMicroelectronics 1: £11.17 1,080Expected 27/01/2027	Mfr. Part No. STM32L4S5VIT6 Mouser Part No 511-STM32L4S5VIT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD Learn More about STMicroelectronics stm stm32l4 microcontrollers	Datasheet	1,080Expected 27/01/2027	£11.17 £9.14 £8.70	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-100	ARM Cortex M4	83 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of of Flash USB OTG, D STM32L4S5ZIT6 STMicroelectronics 1: £13.45 710Expected 11/12/2026	Mfr. Part No. STM32L4S5ZIT6 Mouser Part No 511-STM32L4S5ZIT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of of Flash USB OTG, D Learn More about STMicroelectronics stm stm32l4 microcontrollers	Datasheet	710Expected 11/12/2026	£13.45 £10.54 £9.70 £9.01	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-144	ARM Cortex M4	115 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD STM32L4S9ZIJ6 STMicroelectronics 1: £14.80 858Expected 03/02/2027	Mfr. Part No. STM32L4S9ZIJ6 Mouser Part No 511-STM32L4S9ZIJ6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD Learn More about STMicroelectronics stm stm32l4 microcontrollers	Datasheet	858Expected 03/02/2027	£14.80 £11.74 £10.86 £10.03	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	UFBGA-144	ARM Cortex M4	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 512 Kbytes STM32WB30CEU5A STMicroelectronics 1: £4.23 4,596On Order	Mfr. Part No. STM32WB30CEU5A Mouser Part No 511-STM32WB30CEU5A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 512 Kbytes Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	4,596On Order	£4.23 £3.52 £3.32 £3.01 View £2.87 £2.80	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	30 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 512 Kbytes STM32WB55REV7 STMicroelectronics 1: £6.17 1,550On Order	Mfr. Part No. STM32WB55REV7 Mouser Part No 511-STM32WB55REV7	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 512 Kbytes Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	1,550On Order	£6.17 £5.33 £5.07 £4.53 View £4.31 £4.11 £3.89	Min.: 1 Mult.: 1	SMD/SMT	VFQFPN-68	ARM Cortex M4	49 I/O	32 bit	12 bit
ARM Microcontrollers - MCU LQFP GREEN IND TEMPMRL A ATSAM4E8CA-AU Microchip Technology 1: £6.25 1,615On Order	Mfr. Part No. ATSAM4E8CA-AU Mouser Part No 556-ATSAM4E8CA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP GREEN IND TEMPMRL A Learn More about Microchip Technology microchip atsam4e8 mcu	Datasheet	1,615On Order On Order Ship Dates Mfr. No: ATSAM4E8CA-AU Stock: 0 On Order: 445 Expected 28/12/2026 630 Expected 11/02/2027 540 Expected 18/02/2027 Factory Lead Time: 34 Weeks	£6.25 £5.67 £5.13	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	79 I/O	32 bit	16 bit
ARM Microcontrollers - MCU LQFP Green IND TEMPMRL A ATSAM4E8CA-AUR Microchip Technology 1: £6.39 999Expected 12/02/2027	Mfr. Part No. ATSAM4E8CA-AUR Mouser Part No 556-ATSAM4E8CA-AUR	Microchip Technology	ARM Microcontrollers - MCU LQFP Green IND TEMPMRL A Learn More about Microchip Technology microchip atsam4e8 mcu	Datasheet	999Expected 12/02/2027	Cut Tape £6.39 £6.19 Reel £5.26 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M4	79 I/O	32 bit	16 bit
ARM Microcontrollers - MCU QFN,GREEN,IND TEMP,MRL A ATSAM4LS4AA-MU Microchip Technology 1: £4.96 416Expected 26/01/2027	Mfr. Part No. ATSAM4LS4AA-MU Mouser Part No 556-ATSAM4LS4AA-MU	Microchip Technology	ARM Microcontrollers - MCU QFN,GREEN,IND TEMP,MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	416Expected 26/01/2027	£4.96 £4.52 £4.09	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M4	32 I/O	32 bit	12 bit
ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A ATSAM4LS4BA-AU Microchip Technology 1: £5.09 636On Order	Mfr. Part No. ATSAM4LS4BA-AU Mouser Part No 556-ATSAM4LS4BA-AU	Microchip Technology	ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	636On Order On Order Ship Dates Mfr. No: ATSAM4LS4BA-AU Stock: 0 On Order: 156 Expected 09/11/2026 480 Expected 21/01/2027 Factory Lead Time: 18 Weeks	£5.09 £4.63 £4.20	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	ARM Cortex M4	48 I/O	32 bit	12 bit
ARM Microcontrollers - MCU QFN,GREEN,EXT TEMP,MRL B ATSAM4S2BB-MN Microchip Technology 1: £3.18 777Expected 15/02/2027	Mfr. Part No. ATSAM4S2BB-MN Mouser Part No 556-ATSAM4S2BB-MN	Microchip Technology	ARM Microcontrollers - MCU QFN,GREEN,EXT TEMP,MRL B Learn More about Microchip Technology atmelsam4s	Datasheet	777Expected 15/02/2027	£3.18 £2.87 £2.61	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M4	47 I/O	32 bit	12 bit
ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL A ATSAM4S4CA-AUR Microchip Technology 1: £4.19 981Expected 21/12/2026	Mfr. Part No. ATSAM4S4CA-AUR Mouser Part No 556-ATSAM4S4CA-AUR	Microchip Technology	ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL A Learn More about Microchip Technology atmelsam4s	Datasheet	981Expected 21/12/2026	Cut Tape £4.19 £4.04 Reel £3.46	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M4	79 I/O	32 bit	12 bit
ARM Microcontrollers - MCU LQFP, Green, IND TEMP,MRL A ATSAM4S8BA-AU Microchip Technology 1: £4.50 598In Stock	Mfr. Part No. ATSAM4S8BA-AU Mouser Part No 556-ATSAM4S8BA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP, Green, IND TEMP,MRL A Learn More about Microchip Technology atmelsam4s	Datasheet	598In Stock	£4.50 £4.09 £3.71	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	47 I/O	32 bit	12 bit
ARM Microcontrollers - MCU QFNGREENIND TEMPMRL A ATSAM4SA16BA-MU Microchip Technology 1: £6.06 520Expected 18/02/2027	Mfr. Part No. ATSAM4SA16BA-MU Mouser Part No 556-ATSAM4SA16BA-MU	Microchip Technology	ARM Microcontrollers - MCU QFNGREENIND TEMPMRL A Learn More about Microchip Technology atmelsam4s	Datasheet	520Expected 18/02/2027	£6.06 £5.51 £4.99	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M4	47 I/O	32 bit	12 bit
ARM Microcontrollers - MCU LQFP Green IND TEMPMRL A ATSAM4SD32CA-AU Microchip Technology 1: £8.85 386Expected 14/12/2026	Mfr. Part No. ATSAM4SD32CA-AU Mouser Part No 556-ATSAM4SD32CA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP Green IND TEMPMRL A Learn More about Microchip Technology atmelsam4s	Datasheet	386Expected 14/12/2026	£8.85 £8.07 £7.30	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	79 I/O	32 bit	12 bit
ARM Microcontrollers - MCU LQFP,GREEN,EXT TEMP,MRL A ATSAM4SD32CB-AN Microchip Technology 1: £8.85 178Expected 03/12/2026	Mfr. Part No. ATSAM4SD32CB-AN Mouser Part No 556-ATSAM4SD32CB-AN	Microchip Technology	ARM Microcontrollers - MCU LQFP,GREEN,EXT TEMP,MRL A Learn More about Microchip Technology atmelsam4s	Datasheet	178Expected 03/12/2026	£8.85 £8.07 £7.30	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	79 I/O	32 bit	12 bit
ARM Microcontrollers - MCU TQFP, MRL B IND TEMP T&R ATSAMG55J19B-AUT Microchip Technology 1: £4.31 1,488Expected 20/11/2026	Mfr. Part No. ATSAMG55J19B-AUT Mouser Part No 556-ATSAMG55J19B-AUT	Microchip Technology	ARM Microcontrollers - MCU TQFP, MRL B IND TEMP T&R Learn More about Microchip Technology microchip samg55g sam5ggj mcus	Datasheet	1,488Expected 20/11/2026	Cut Tape £4.31 £4.16 Reel £3.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	LQFP-64	ARM Cortex M4	48 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XMC4000 XMC4500E144F1024ACXQSA1 Infineon Technologies 1: £13.35 479Expected 25/03/2027	Mfr. Part No. XMC4500E144F1024ACXQSA1 Mouser Part No 726-E144F1024ACXQSA1	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	479Expected 25/03/2027	£13.35 £10.14 £9.73 £8.56 View £8.15 £7.87 £7.62 Quote	Min.: 1 Mult.: 1	SMD/SMT	LFBGA-144	ARM Cortex M4	91 I/O	32 bit/16 bit	12 bit
ARM Microcontrollers - MCU XMC4000 XMC4500F100F1024ACXQMA1 Infineon Technologies 1: £11.36 1,080Expected 19/11/2026	Mfr. Part No. XMC4500F100F1024ACXQMA1 Mouser Part No 726-F100F1024ACXQMA1	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	1,080Expected 19/11/2026	£11.36 £8.71 £7.73 £7.37 View £7.16 £6.75 £6.60 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	55 I/O	32 bit/16 bit	12 bit