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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	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	Qualification	Packaging
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32I-C-TSSOP20 Silicon Labs 1: ¥212.6 402In Stock	Mfr. Part # EFM8BB52F32I-C-TSSOP20 Mouser Part # 634-EFM852F32ICTOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	402In Stock	¥212.6 ¥165.9 ¥157.8 ¥119.3 View ¥113.9 ¥110.8 ¥108.1	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-QFN20 Silicon Labs 1: ¥164.4 294In Stock	Mfr. Part # EFM8BB51F8G-C-QFN20 Mouser Part # 634-EFM8B51F8GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	294In 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-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32R Silicon Labs 1: ¥661.1 69In Stock	Mfr. Part # EFM8UB20F64G-B-QFN32R Mouser Part # 634-EFM8UB64GBQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	69In Stock	Cut Tape ¥661.1 ¥491.7 ¥450.1 ¥403.6 Reel ¥343.8 View ¥382 ¥372.1 ¥353.8 ¥337.2	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit	48 MHz	25 I/O	4.25 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32 Silicon Labs 1: ¥617.9 284In Stock	Mfr. Part # EFM8UB20F64G-B-QFN32 Mouser Part # 634-EFM8UBF64GBQFN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	284In Stock	¥617.9 ¥485 ¥428.5 ¥395.3 View ¥367.1 ¥353.8 ¥347.1 ¥345.5	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit	48 MHz	25 I/O	4.25 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F16I-C-QFN32 Silicon Labs 1: ¥159.5 1,045In Stock 2,200On Order	Mfr. Part # EFM8BB52F16I-C-QFN32 Mouser Part # 634-EFMB52F16ICQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,045In Stock 2,200On Order	¥159.5 ¥111.3 ¥99.8 ¥87.2 View ¥81.1 ¥79.6 ¥79.4	Min.: 1 Mult.: 1	SMD/SMT	QFN-32		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB MCU EFM32HG222F64G-C-QFP48R Silicon Labs 1: ¥908.6 71In Stock	Mfr. Part # EFM32HG222F64G-C-QFP48R Mouser Part # 634-HG222F64GCQFP48R	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB MCU	Datasheet	71In Stock	Cut Tape ¥908.6 ¥692.6 ¥637.8 ¥578 Reel ¥526.5 View ¥549.8 ¥533.2 ¥519.9	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	TQFP-48	ARM Cortex M0+	64 kB	32 bit	12 bit	25 MHz	35 I/O	8 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFP32R Silicon Labs 1: ¥657.8 418In Stock 500Expected 1/15/2027	Mfr. Part # EFM8LB12F64E-C-QFP32R Mouser Part # 634-LB12F64ECQFP32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	418In Stock 500Expected 1/15/2027	Cut Tape ¥657.8 ¥490 ¥448.5 ¥402 Reel ¥370.4 View ¥380.4 ¥352.1 ¥340.5 ¥333.9	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFP-32	CIP-51 8051	64 kB	8 bit	10 bit/12 bit/14 bit	72 MHz	28 I/O	4.25 kB	2.2 V	3.6 V	- 40 C	+ 105 C		Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU EFM32TG11B540F64GQ48-B Silicon Labs 1: ¥860.4 250In Stock NRND	Mfr. Part # EFM32TG11B540F64GQ48-B Mouser Part # 634-1B540F64GQ48-B NRND	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU Learn More about Silicon Labs energymicroefm32tg	Datasheet	250In Stock	¥860.4 ¥656.1 ¥604.6 ¥548.1 View ¥519.9 ¥504.9 ¥498.3 ¥491.7	Min.: 1 Mult.: 1	SMD/SMT	QFP-48	ARM Cortex M0+	64 kB	32 bit	12 bit	48 MHz	34 I/O	32 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU EFM32GG11B820F2048GL120-B Silicon Labs 1: ¥3,831.9 24In Stock NRND	Mfr. Part # EFM32GG11B820F2048GL120-B Mouser Part # 634-B820F2048GL120-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	24In Stock	¥3,831.9 ¥3,062.9 ¥2,871.9 ¥2,660.9 View ¥2,559.6 ¥2,499.8	Min.: 1 Mult.: 1	SMD/SMT	BGA-120	ARM Cortex M4	2.05 MB	32 bit	12 bit	72 MHz	95 I/O	512 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: ¥1,935.1 57In Stock NRND	Mfr. Part # C8051F338-GM Mouser Part # 634-C8051F338-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	57In Stock	¥1,935.1 ¥1,514.8 ¥1,410.2 ¥1,295.6 View ¥1,282.3 ¥1,207.5 ¥1,179.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	16 kB	8 bit	10 bit	25 MHz	21 I/O	768 B	2.7 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16I-D-QFP32 Silicon Labs 1: ¥405.3 8In Stock NRND	Mfr. Part # EFM8BB31F16I-D-QFP32 Mouser Part # 634-EF8BB31F16IDQP32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	8In Stock	¥405.3 ¥299 ¥272.4 ¥244.2 View ¥229.2 ¥222.6 ¥214.3	Min.: 1 Mult.: 1	SMD/SMT	QFP-32	CIP-51 8051	16 kB	8 bit	10 bit, 12 bit	50 MHz	28 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU EFM32TG11B120F128GQ48-B Silicon Labs 1: ¥906.9 35In Stock 1,250On Order NRND	Mfr. Part # EFM32TG11B120F128GQ48-B Mouser Part # 634-EFM32TG128GQ48-B NRND	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU Learn More about Silicon Labs energymicroefm32tg	Datasheet	35In Stock 1,250On Order	¥906.9 ¥717.6 ¥644.5 ¥598 View ¥564.7 ¥553.1 ¥534.8 ¥504.9	Min.: 1 Mult.: 1	SMD/SMT	QFP-48	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F32E-C-QFP32 Silicon Labs 1: ¥576.4 510In Stock NRND	Mfr. Part # EFM8LB12F32E-C-QFP32 Mouser Part # 634-LB12F32ECQFP32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	510In Stock	¥576.4 ¥430.2 ¥393.7 ¥352.1 View ¥333.9 ¥325.6 ¥323.9	Min.: 1 Mult.: 1	SMD/SMT	QFP-32	CIP-51 8051	32 kB	8 bit	10 bit/12 bit/14 bit	72 MHz	28 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG290F1024G-E-BGA112 Silicon Labs 1: ¥3,263.9 56In Stock	Mfr. Part # EFM32GG290F1024G-E-BGA112 Mouser Part # 634-32GG290F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	56In Stock	¥3,263.9 ¥2,586.2 ¥2,418.4 ¥2,232.4 View ¥2,127.7 ¥2,089.5	Min.: 1 Mult.: 1	SMD/SMT	BGA-112	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	90 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES EFM32GG290F512G-E-BGA112 Silicon Labs 1: ¥2,709.1 4In Stock	Mfr. Part # EFM32GG290F512G-E-BGA112 Mouser Part # 634-32GG290F512-E	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	4In Stock	¥2,709.1 ¥2,121.1 ¥1,974.9 ¥1,813.8 View ¥1,795.5 ¥1,689.2 ¥1,652.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-112	ARM Cortex M3	512 kB	32 bit	12 bit	48 MHz	90 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F4G-A-QFN20 Silicon Labs 1: ¥202.6 218In Stock	Mfr. Part # EFM8BB10F4G-A-QFN20 Mouser Part # 634-8BB10F4GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	218In Stock	¥202.6 ¥147.8 ¥133.7 ¥118.3 View ¥110.8 ¥106.3 ¥101.7 ¥98.7 ¥96.3	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	4 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU EFM32GG12B410F1024GQ100-AR Silicon Labs 1: ¥2,606.1 56In Stock	Mfr. Part # EFM32GG12B410F1024GQ100-AR Mouser Part # 634-B410F1024GQ100AR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU Learn More about Silicon Labs giant gecko 12	Datasheet	56In Stock	Cut Tape ¥2,606.1 ¥2,039.7 ¥1,898.5 ¥1,744.1 View Reel ¥1,589.6 ¥1,727.4 ¥1,626.1 ¥1,589.6 Quote	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	QFP-100	ARM Cortex M4	1 MB	32 bit	12 bit	72 MHz	81 I/O	192 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU C8051F351-GMR Silicon Labs 1: ¥2,662.6 97In Stock	Mfr. Part # C8051F351-GMR Mouser Part # 634-C8051F351-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU	Datasheet	97In Stock	Cut Tape ¥2,662.6 ¥2,084.6 ¥1,941.7 ¥1,782.3 View Reel ¥1,538.1 ¥1,765.6 ¥1,661 ¥1,624.5 ¥1,538.1	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-28	8051	8 kB	8 bit	24 bit	50 MHz	17 I/O	768 B	2.7 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8A-A-QFN20 Silicon Labs 1: ¥423.6 20In Stock	Mfr. Part # EFM8BB10F8A-A-QFN20 Mouser Part # 634-FM8BB10F8AAQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	20In Stock	¥423.6 ¥313.9 ¥285.7 ¥255.8 View ¥242.5 ¥232.5 ¥224.2 ¥220.9 ¥214.3	Min.: 1 Mult.: 1	SMD/SMT		CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Tube
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU EFM32JG1B100F128GM32-C0 Silicon Labs 1: ¥794 76In Stock	Mfr. Part # EFM32JG1B100F128GM32-C0 Mouser Part # 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	¥794 ¥598 ¥549.8 ¥495 View ¥470.1 ¥466.7 ¥438.5 ¥428.5	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M3	128 kB	32 bit	12 bit	40 MHz	24 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU EFM32PG1B200F256GM48-C0 Silicon Labs 1: ¥1,147.8 11In Stock	Mfr. Part # EFM32PG1B200F256GM48-C0 Mouser Part # 634-PG1B200F256G48C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 pearl gecko mcu	Datasheet	11In Stock	¥1,147.8 ¥880.3 ¥812.2 ¥739.1 View ¥704.3 ¥682.7 ¥674.4 ¥666.1	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	40 MHz	32 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU EFM32PG1B200F256GM32-C0 Silicon Labs 1: ¥1,101.2 2In Stock	Mfr. Part # EFM32PG1B200F256GM32-C0 Mouser Part # 634-PG1B200F256GM32C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 pearl gecko mcu	Datasheet	2In Stock	¥1,101.2 ¥843.8 ¥779 ¥709.2 View ¥674.4 ¥654.4 ¥647.8 ¥639.5	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M4	256 kB	32 bit	12 bit	40 MHz	20 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQ Silicon Labs 1: ¥7,315 28In Stock End of Life	Mfr. Part # C8051F021-GQ Mouser Part # 634-C8051F021-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	28In Stock	¥7,315 ¥6,047.7 ¥5,649.1 ¥5,418.2 View ¥5,207.2 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	8051	64 kB	8 bit	8 bit, 12 bit	25 MHz	32 I/O	4.35 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU C8051F022-GQ Silicon Labs 1: ¥6,117.5 6In Stock End of Life	Mfr. Part # C8051F022-GQ Mouser Part # 634-C8051F022-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU	Datasheet	6In Stock	¥6,117.5 ¥4,953.1 ¥4,662.4 ¥4,469.8 ¥4,189	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	64 kB	8 bit	8 bit, 10 bit	25 MHz	64 I/O	4.35 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU C8051F120-GQ Silicon Labs 1: ¥9,177 5In Stock 859Expected 9/24/2027 End of Life	Mfr. Part # C8051F120-GQ Mouser Part # 634-C8051F120-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU	Datasheet	5In Stock 859Expected 9/24/2027	¥9,177 ¥7,499.4 ¥7,079.2 ¥6,883.2 ¥6,398.2	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	128 kB	8 bit	8 bit, 12 bit	100 MHz	64 I/O	8.25 kB	3 V	3.6 V	- 40 C	+ 85 C		Tray