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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	Packaging
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x36 LCD, AES EFM32GG995F1024G-E-BGA120R Silicon Labs 1,000: £10.64 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32GG995F1024G-E-BGA120R Mouser Part No 634-32GG995F1024-E-T	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x36 LCD, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £10.64	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	BGA-120	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	93 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, 8x36 LCD, AES EFM32GG995F512G-E-BGA120R Silicon Labs 1,000: £8.57 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32GG995F512G-E-BGA120R Mouser Part No 634-32GG995F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, 8x36 LCD, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £8.57	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	BGA-120	ARM Cortex M3	32 bit	48 MHz	512 kB	128 kB	12 bit	93 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG280F256G-F-QFP100R Silicon Labs 1,000: £5.82 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG280F256G-F-QFP100R Mouser Part No 634-32L280F256GFQFPR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £5.82 Quote Quote	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	48 MHz	256 kB	32 kB	12 bit	86 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG295F256G-F-BGA120R Silicon Labs 1,000: £6.08 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG295F256G-F-BGA120R Mouser Part No 634-32L295F256GFBGAR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £6.08 Quote Quote	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	BGA-120	ARM Cortex M3	32 bit	48 MHz	256 kB	32 kB	12 bit	93 I/O	1.98 V	3.8 V	+ 85 C	Reel
RF Microcontrollers - MCU Sub-GHz Wireless Gecko SoC MCU 256KB EZR32LG230F256R60G-C0R Silicon Labs 2,500: £5.85 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EZR32LG230F256R60G-C0R Mouser Part No 634-32LG230F256R60CR	Silicon Labs	RF Microcontrollers - MCU Sub-GHz Wireless Gecko SoC MCU 256KB Learn More about Silicon Labs ezr32	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £5.85	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	256 kB	32 kB	12 bit	41 I/O	1.98 V	3.8 V	+ 85 C	Reel
RF Microcontrollers - MCU Sub-GHz Wireless Gecko SoC MCU 256KB EZR32LG230F256R61G-C0R Silicon Labs 2,500: £5.97 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EZR32LG230F256R61G-C0R Mouser Part No 634-32LG230F256R61CR	Silicon Labs	RF Microcontrollers - MCU Sub-GHz Wireless Gecko SoC MCU 256KB Learn More about Silicon Labs ezr32	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £5.97	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	256 kB	32 kB	12 bit	41 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB EFM32LG230F64G-F-QFN64 Silicon Labs 1,300: £3.82 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG230F64G-F-QFN64 Mouser Part No 634-32LG230F64GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	£3.82 £3.62	Min.: 1,300 Mult.: 1,300	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	64 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB EFM32LG230F64G-F-QFN64R Silicon Labs 3,000: £3.62 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG230F64G-F-QFN64R Mouser Part No 634-32LG230F64GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £3.62	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	64 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB EFM32LG232F128G-F-QFP64R Silicon Labs 1,000: £4.46 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG232F128G-F-QFP64R Mouser Part No 634-32LG232F128GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.46 £4.21	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	TQFP-64	ARM Cortex M3	32 bit	48 MHz	128 kB	32 kB	12 bit	53 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG232F256G-F-QFP64R Silicon Labs 1,000: £5.16 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG232F256G-F-QFP64R Mouser Part No 634-32LG232F256GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £5.16 £4.91	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	TQFP-64	ARM Cortex M3	32 bit	48 MHz	256 kB	32 kB	12 bit	53 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG295F256G-F-BGA120 Silicon Labs 1,300: £6.08 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG295F256G-F-BGA120 Mouser Part No 634-32LG295F256GFBGA	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	£6.08 Quote Quote	Min.: 1,300 Mult.: 1,300	SMD/SMT	BGA-120	ARM Cortex M3	32 bit	48 MHz	256 kB	32 kB	12 bit	93 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG332F256G-F-QFP64R Silicon Labs 1,000: £5.45 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG332F256G-F-QFP64R Mouser Part No 634-32LG332256GFQFPR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £5.45 £5.16	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	TQFP-64	ARM Cortex M3	32 bit	48 MHz	256 kB	32 kB	12 bit	50 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB EFM32LG840F128G-F-QFN64 Silicon Labs 1,300: £4.71 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG840F128G-F-QFN64 Mouser Part No 634-32LG840F128GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	£4.71 Quote Quote	Min.: 1,300 Mult.: 1,300	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	128 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB EFM32LG840F128G-F-QFN64R Silicon Labs 3,000: £4.45 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG840F128G-F-QFN64R Mouser Part No 634-32LG840F128GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.45	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	128 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB EFM32LG840F64G-F-QFN64 Silicon Labs 1,300: £4.08 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG840F64G-F-QFN64 Mouser Part No 634-32LG840F64GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	£4.08 £3.86	Min.: 1,300 Mult.: 1,300	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	64 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB EFM32LG840F64G-F-QFN64R Silicon Labs 3,000: £3.86 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG840F64G-F-QFN64R Mouser Part No 634-32LG840F64GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £3.86	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	64 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB EFM32LG940F128G-F-QFN64R Silicon Labs 3,000: £4.77 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32LG940F128G-F-QFN64R Mouser Part No 634-32LG940F128GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.77	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	128 kB	32 kB	12 bit	53 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG108F16-D-QFN24R Silicon Labs 2,500: £1.89 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32TG108F16-D-QFN24R Mouser Part No 634-EFM32TG108F16-DR	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £1.89	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-24	ARM Cortex M3	32 bit	32 MHz	16 kB	4 kB	12 bit	17 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG840F16-D-QFN64 Silicon Labs 1,300: £2.78 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32TG840F16-D-QFN64 Mouser Part No 634-EFM32TG840F16-D	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	£2.78 £2.74	Min.: 1,300 Mult.: 1,300	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	32 MHz	16 kB	4 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG840F32-D-QFN64R Silicon Labs 3,000: £3.01 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32TG840F32-D-QFN64R Mouser Part No 634-EFM32TG840F32-DR	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £3.01	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	32 MHz	32 kB	4 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024GL125-CR Silicon Labs 2,500: £4.96 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32JG12B500F1024GL125-CR Mouser Part No 634-JG12B500FGL125CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.96	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	BGA-125	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	65 I/O	1.8 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024GM48-CR Silicon Labs 2,500: £4.48 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32JG12B500F1024GM48-CR Mouser Part No 634-JG12B500FGM48CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.48	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-48	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	33 I/O	1.8 V	3.8 V	+ 85 C	Reel
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024IL125-C Silicon Labs 1,300: £5.47 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32JG12B500F1024IL125-C Mouser Part No 634-JG12B500FIL125C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	£5.47 Quote Quote	Min.: 1,300 Mult.: 1,300	SMD/SMT	BGA-125	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	65 I/O	1.8 V	3.8 V	+ 125 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024IL125-CR Silicon Labs 2,500: £5.18 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32JG12B500F1024IL125-CR Mouser Part No 634-JG12B500FIL125CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £5.18	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	BGA-125	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	65 I/O	1.8 V	3.8 V	+ 125 C	Reel
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024IM48-C Silicon Labs 1,300: £4.96 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM32JG12B500F1024IM48-C Mouser Part No 634-JG12B500FIM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	£4.96 Quote Quote	Min.: 1,300 Mult.: 1,300	SMD/SMT	QFN-48	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	33 I/O	1.8 V	3.8 V	+ 125 C	Tray