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Silicon Labs Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU EFM32GG11B820F2048GQ64-B Silicon Labs 1: ¥3,685.8 763In Stock NRND	Mfr. Part # EFM32GG11B820F2048GQ64-B Mouser Part # 634-B820F2048GQ64-B NRND	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU Learn More about Silicon Labs efm32gg11 mcus	Datasheet	763In Stock	¥3,685.8 ¥2,920 ¥2,730.7 ¥2,519.7 View ¥2,403.5 ¥2,360.3	Min.: 1 Mult.: 1	SMD/SMT	QFP-64	ARM Cortex M4	32 bit	72 MHz	2.05 MB	512 kB	12 bit	47 I/O	1.8 V	3.8 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F340-GQ Silicon Labs 1: ¥4,215.6 1,841In Stock NRND	Mfr. Part # C8051F340-GQ Mouser Part # 634-C8051F340-GQ NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU	Datasheet	1,841In Stock	¥4,215.6 ¥3,371.8 ¥3,159.2 ¥2,928.3 View ¥2,817.1 ¥2,750.6	Min.: 1 Mult.: 1	SMD/SMT	TQFP-48	8051	8 bit	48 MHz	64 kB	4.25 kB	10 bit	40 I/O	2.7 V	5.25 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GMR Silicon Labs 1: ¥2,335.4 1,837In Stock	Mfr. Part # C8051F411-GMR Mouser Part # 634-C8051F411-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	1,837In Stock	Cut Tape ¥2,335.4 ¥1,905.2 ¥1,745.7 ¥1,639.4 View Reel ¥1,455 ¥1,629.4 ¥1,569.6 ¥1,475 ¥1,455 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-28	8051	8 bit	50 MHz	32 kB	2.25 kB	12 bit	20 I/O	2 V	5.25 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Secure Vault High, 3200k Flash, 512k RAM, 20-bit ADC, QFN48, MVP EFM32PG26B500F3200IM48-B Silicon Labs 1: ¥1,609.5 41In Stock New At Mouser	Mfr. Part # EFM32PG26B500F3200IM48-B Mouser Part # 634-EM32PG26B532IM48 New At Mouser	Silicon Labs	ARM Microcontrollers - MCU Secure Vault High, 3200k Flash, 512k RAM, 20-bit ADC, QFN48, MVP Learn More about Silicon Labs efm32pg26 mcus	Datasheet	41In Stock	¥1,609.5 ¥1,288.9 ¥1,171 ¥1,092.9 View ¥1,019.9 ¥994.9 ¥983.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M33	32 bit	80 MHz	3.13 MB	512 kB	12 bit, 16 bit, 20 bit	28 I/O	1.71 V	3.8 V	+ 125 C	Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN16R Silicon Labs 1: ¥169.4 1,000In Stock	Mfr. Part # EFM8BB50F16G-A-QFN16R Mouser Part # 634-M8BB50F16GAFN16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	1,000In Stock	Cut Tape ¥169.4 ¥122.1 ¥110 ¥96.7 Reel ¥80.1 View ¥90.4 ¥86.5 ¥83.7 ¥78.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-16		8 bit	50 MHz	16 kB	512 B	12 bit	12 I/O	1.8 V	5.5 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN12 Silicon Labs 1: ¥164.4 1,188In Stock	Mfr. Part # EFM8BB50F16G-A-QFN12 Mouser Part # 634-M8BB50F16GAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	1,188In Stock	¥164.4 ¥118.4 ¥106.6 ¥93.7 View ¥87.7 ¥83.9 ¥81.2 ¥77.7 ¥75.7	Min.: 1 Mult.: 1	SMD/SMT	QFN-12		8 bit	50 MHz	16 kB	512 B	12 bit	9 I/O	1.8 V	5.5 V	+ 85 C	Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN16 Silicon Labs 1: ¥169.4 968In Stock	Mfr. Part # EFM8BB50F16G-A-QFN16 Mouser Part # 634-M8BB50F16GAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	968In Stock	¥169.4 ¥122.1 ¥110 ¥96.7 View ¥90.4 ¥86.5 ¥83.7 ¥80.1 ¥78.1	Min.: 1 Mult.: 1	SMD/SMT	QFN-16		8 bit	50 MHz	16 kB	512 B	12 bit	12 I/O	1.8 V	5.5 V	+ 85 C	Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16I-A-SOIC16 Silicon Labs 1: ¥196 959In Stock	Mfr. Part # EFM8BB50F16I-A-SOIC16 Mouser Part # 634-M8BB50F16IASIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	959In Stock	¥196 ¥151.8 ¥135 ¥121.4 View ¥113.6 ¥108.8 ¥105.3 ¥100.5 ¥98	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16		8 bit	50 MHz	16 kB	512 B	12 bit	12 I/O	1.8 V	5.5 V	+ 125 C	Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN12 Silicon Labs 1: ¥124.6 706In Stock	Mfr. Part # EFM8BB50F4G-A-QFN12 Mouser Part # 634-M8BB50F4GAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	706In Stock	¥124.6 ¥96.3 ¥89.2 ¥82.1 View ¥64.9 ¥62.1 ¥60.5	Min.: 1 Mult.: 1	SMD/SMT	QFN-12		8 bit	50 MHz	4 kB	512 B	12 bit	9 I/O	1.8 V	5.5 V	+ 85 C	Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4I-A-SOIC16 Silicon Labs 1: ¥169.4 648In Stock	Mfr. Part # EFM8BB50F4I-A-SOIC16 Mouser Part # 634-M8BB50F4IASOIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	648In Stock	¥169.4 ¥122.1 ¥110 ¥96.7 View ¥90.4 ¥86.5 ¥83.7 ¥80.1 ¥78.1	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16		8 bit	50 MHz	4 kB	512 B	12 bit	12 I/O	1.8 V	5.5 V	+ 125 C	Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F8G-A-SOIC16 Silicon Labs 1: ¥174.4 995In Stock	Mfr. Part # EFM8BB50F8G-A-SOIC16 Mouser Part # 634-M8BB50F8GASOIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	995In Stock	¥174.4 ¥135.7 ¥120.6 ¥108 View ¥101 ¥96.7 ¥93.7 ¥89.4 ¥87	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16		8 bit	50 MHz	8 kB	512 B	12 bit	12 I/O	1.8 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GM Silicon Labs 1: ¥2,244 2,585In Stock NRND	Mfr. Part # C8051F411-GM Mouser Part # 634-C8051F411-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	2,585In Stock	¥2,244 ¥1,842 ¥1,680.9 ¥1,587.9 View ¥1,581.3 ¥1,501.5 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	8 bit	50 MHz	32 kB	2.31 kB	12 bit	20 I/O	2 V	5.25 V	+ 85 C	Tube
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB MCU EFM32GG12B130F512GM64-A Silicon Labs 1: ¥1,958.3 1,172In Stock	Mfr. Part # EFM32GG12B130F512GM64-A Mouser Part # 634-2B130F512GM64A	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB MCU Learn More about Silicon Labs giant gecko 12	Datasheet	1,172In Stock	¥1,958.3 ¥1,533.1 ¥1,426.8 ¥1,310.5 View ¥1,297.2 ¥1,220.8 ¥1,194.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M4	32 bit	72 MHz	512 kB	192 kB	2 x 12 bit	56 I/O	1.8 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G230F128G-E-QFN64R Silicon Labs 1: ¥1,338.8 1,309In Stock	Mfr. Part # EFM32G230F128G-E-QFN64R Mouser Part # 634-32G230128GQFN64R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	1,309In Stock	Cut Tape ¥1,338.8 ¥1,031.5 ¥955.1 ¥870.4 View Reel ¥744.1 ¥807.2 ¥805.6 ¥782.3 ¥744.1	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	32 MHz	128 kB	16 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG230F1024G-E-QFN64 Silicon Labs 1: ¥2,870.2 941In Stock	Mfr. Part # EFM32GG230F1024G-E-QFN64 Mouser Part # 634-32GG230F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	941In Stock	¥2,870.2 ¥2,275.6 ¥2,126.1 ¥1,963.3 View ¥1,871.9 ¥1,838.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES EFM32GG230F512G-E-QFN64 Silicon Labs 1: ¥2,380.2 494In Stock	Mfr. Part # EFM32GG230F512G-E-QFN64 Mouser Part # 634-32GG230F512-E	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	494In Stock	¥2,380.2 ¥1,863.6 ¥1,734.1 ¥1,592.9 View ¥1,578 ¥1,484.9 ¥1,451.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	512 kB	128 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES EFM32GG230F512G-E-QFN64R Silicon Labs 1: ¥2,270.6 410In Stock	Mfr. Part # EFM32GG230F512G-E-QFN64R Mouser Part # 634-32GG230F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	410In Stock	Cut Tape ¥2,270.6 ¥1,808.8 ¥1,641.1 ¥1,534.8 View Reel ¥1,327.1 ¥1,526.5 ¥1,468.3 ¥1,450.1 ¥1,327.1 Quote	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	512 kB	128 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG330F1024G-E-QFN64R Silicon Labs 1: ¥3,043 963In Stock	Mfr. Part # EFM32GG330F1024G-E-QFN64R Mouser Part # 634-32GG330F1024-E-T	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	963In Stock	Cut Tape ¥3,043 ¥2,411.8 ¥2,254 ¥2,079.6 View Reel ¥1,948.4 ¥1,983.2 ¥1,948.4 ¥1,948.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x34 LCD, AES EFM32GG990F1024G-E-BGA112R Silicon Labs 1: ¥3,559.5 371In Stock 1,000Expected 1/8/2027	Mfr. Part # EFM32GG990F1024G-E-BGA112R Mouser Part # 634-32GG990F1024-E-T	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x34 LCD, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	371In Stock 1,000Expected 1/8/2027	Cut Tape ¥3,559.5 ¥2,848.6 ¥2,611.1 ¥2,458.3 ¥2,441.7 Reel ¥2,187.5 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	BGA-112	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	86 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG330F256G-F-QFN64 Silicon Labs 1: ¥2,004.8 1,407In Stock	Mfr. Part # EFM32LG330F256G-F-QFN64 Mouser Part # 634-32LG330F256GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,407In Stock	¥2,004.8 ¥1,611.2 ¥1,466.7 ¥1,373.6 View ¥1,332.1 ¥1,270.7 ¥1,207.5 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-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	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2G-A-QFN20R Silicon Labs 1: ¥142.8 15,521In Stock	Mfr. Part # EFM8BB10F2G-A-QFN20R Mouser Part # 634-8BB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	15,521In Stock	Cut Tape ¥142.8 ¥110 ¥98.2 ¥89.5 Reel ¥73.9 View ¥86.5 ¥79.7 ¥75.6 ¥72.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	2.2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20R Silicon Labs 1: ¥225.9 3,518In Stock 16,500Expected 11/20/2026	Mfr. Part # EFM8SB10F2G-A-QFN20R Mouser Part # 634-8SB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3,518In Stock 16,500Expected 11/20/2026	Cut Tape ¥225.9 ¥174.4 ¥154 ¥140.2 Reel ¥126.9 View ¥136.7 ¥126.9 ¥112 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	1.8 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN24R Silicon Labs 1: ¥290.7 3,031In Stock	Mfr. Part # EFM8SB10F8G-A-QFN24R Mouser Part # 634-8SB10F8GAQF24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3,031In Stock	Cut Tape ¥290.7 ¥229.2 ¥204.3 ¥186 Reel ¥155.5 View ¥179.4 ¥167.8 ¥161.1 ¥153.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT		CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	17 I/O	1.8 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32 C8051F502-IMR Silicon Labs 1: ¥1,916.8 296In Stock	Mfr. Part # C8051F502-IMR Mouser Part # 634-C8051F502-IMR	Silicon Labs	8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32	Datasheet	296In Stock	Cut Tape ¥1,916.8 ¥1,496.6 ¥1,391.9 ¥1,275.6 ¥1,214.2 Reel ¥1,199.2	Min.: 1 Mult.: 1 : 2,500			8051	8 bit						1.8 V	5.25 V		Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 512 kB AES MCU EFM32PG22C200F512IM40-CR Silicon Labs 1: ¥496.6 2,903In Stock	Mfr. Part # EFM32PG22C200F512IM40-CR Mouser Part # 634-EFM32PG22C1240CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 512 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	2,903In Stock	Cut Tape ¥496.6 ¥370.4 ¥338.8 ¥328.9 Reel ¥287.4 ¥275.7 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-40	ARM Cortex M33	32 bit	76.8 MHz	512 kB	32 kB	12 bit	26 I/O	3.8 V	1.71 V	+ 125 C	Reel, Cut Tape, MouseReel