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ARM Cortex M3 Core 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 Leopard Gecko MCU IC 256KB EFM32LG842F256G-F-QFP64R Silicon Labs 1: ¥1,961.6 5,787In Stock	Mfr. Part # EFM32LG842F256G-F-QFP64R Mouser Part # 634-32LG842256GFQFPR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	5,787In Stock	Cut Tape ¥1,961.6 ¥1,536.4 ¥1,430.1 ¥1,312.2 View Reel ¥1,195.9 ¥1,300.6 ¥1,224.2 ¥1,195.9 Quote	Min.: 1 Mult.: 1 : 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, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B100F256GM32-C0 Silicon Labs 1: ¥895.3 6,210In Stock	Mfr. Part # EFM32JG1B100F256GM32-C0 Mouser Part # 634-JG1B100F256GM32C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	6,210In Stock	¥895.3 ¥702.6 ¥634.5 ¥588 View ¥564.7 ¥546.5	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M3	32 bit	40 MHz	256 kB	32 kB	12 bit	24 I/O	1.85 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 ATSAM3U2CA-CU Microchip Technology 1: ¥1,043.1 4,419In Stock	Mfr. Part # ATSAM3U2CA-CU Mouser Part # 556-ATSAM3U2CA-CU	Microchip Technology	ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	4,419In Stock	¥1,043.1 ¥970 ¥910.2 ¥900.3 View ¥885.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	32 bit	96 MHz	128 kB	36 kB	12 bit	57 I/O	1.62 V	1.95 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin STM32F103VET6 STMicroelectronics 1: ¥1,868.6 25,517In Stock	Mfr. Part # STM32F103VET6 Mouser Part # 511-STM32F103VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	25,517In Stock	¥1,868.6 ¥1,568 ¥1,433.4 ¥1,390.3 View ¥1,382 ¥1,298.9 ¥1,212.5 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	512 kB	64 kB	12 bit	80 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN STM32F103VGT6 STMicroelectronics 1: ¥2,252.3 10,985In Stock	Mfr. Part # STM32F103VGT6 Mouser Part # 511-STM32F103VGT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	10,985In Stock	¥2,252.3 ¥1,762.3 ¥1,637.7 ¥1,617.8 View ¥1,536.4 ¥1,526.5 ¥1,350.4 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	1 MB	96 kB	12 bit	112 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line STM32F103ZEH7 STMicroelectronics 1: ¥2,690.8 2,525In Stock	Mfr. Part # STM32F103ZEH7 Mouser Part # 511-STM32F103ZEH7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line Learn More about STMicroelectronics stm32f1	Datasheet	2,525In Stock	¥2,690.8 ¥2,117.8 ¥1,911.8 ¥1,815.5 View ¥1,757.3 ¥1,709.2 ¥1,506.5	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M3	32 bit	72 MHz	512 kB	64 kB	12 bit	112 I/O	2 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G222F128G-E-QFP48R Silicon Labs 1: ¥1,284 3,414In Stock	Mfr. Part # EFM32G222F128G-E-QFP48R Mouser Part # 634-32G222128GEFP48R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	3,414In Stock	Cut Tape ¥1,284 ¥990 ¥911.9 ¥835.5 Reel ¥749.1 View ¥774 ¥712.6	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	TQFP-48	ARM Cortex M3	32 bit	32 MHz	128 kB	16 kB	12 bit	37 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5668AXI-LP034 Infineon Technologies 1: ¥4,398.3 2,442In Stock	Mfr. Part # CY8C5668AXI-LP034 Mouser Part # 727-CY8C5668AXILP034	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	2,442In Stock	¥4,398.3 ¥3,720.6 ¥3,287.1 ¥3,195.8 View ¥2,918.4 ¥2,876.9	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	67 MHz	256 kB	64 kB	12 bit	72 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP STM32L100C6U6A STMicroelectronics 1: ¥798.9 7,889In Stock	Mfr. Part # STM32L100C6U6A Mouser Part # 511-STM32L100C6U6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP Learn More about STMicroelectronics stm32l1	Datasheet	7,889In Stock	¥798.9 ¥602.9 ¥553.1 ¥513.2 View ¥493.3 ¥475 ¥450.1 ¥398.6 ¥392	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M3	32 bit	32 MHz	32 kB	4 kB	12 bit	37 I/O	1.8 V	3.6 V	+ 85 C	Tray
RF Microcontrollers - MCU SimpleLink Bluetooth low enrgy Wirels MC A 595-CC2640R2FRGZR CC2640R2FRGZT Texas Instruments 1: ¥1,058.1 6,056In Stock	Mfr. Part # CC2640R2FRGZT Mouser Part # 595-CC2640R2FRGZT	Texas Instruments	RF Microcontrollers - MCU SimpleLink Bluetooth low enrgy Wirels MC A 595-CC2640R2FRGZR Learn More about Texas Instruments ti cc2640r2f simplelink	Datasheet	6,056In Stock	Cut Tape ¥1,058.1 ¥903.6 ¥852.1 ¥729.2 Reel ¥692.6 View ¥671 ¥664.4 ¥656.1 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-48	ARM Cortex M3	32 bit	48 MHz	128 kB	20 kB	12 bit	31 I/O	1.8 V	3.8 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM STM32F103RBT6 STMicroelectronics 1: ¥1,539.7 13,790In Stock	Mfr. Part # STM32F103RBT6 Mouser Part # 511-STM32F103RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	13,790In Stock	¥1,539.7 ¥1,182.6 ¥1,054.7 ¥1,006.6 View ¥948.4 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	72 MHz	128 kB	20 kB	12 bit	64 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103RGT6TR STMicroelectronics 1: ¥2,561.3 3,000In Stock 1,000Expected 11/12/2026	Mfr. Part # STM32F103RGT6TR Mouser Part # 511-STM32F103RGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto Learn More about STMicroelectronics stm32f1	Datasheet	3,000In Stock 1,000Expected 11/12/2026	Cut Tape ¥2,561.3 ¥2,006.5 ¥1,858.7 ¥1,715.8 View Reel ¥1,395.2 ¥1,654.4 ¥1,599.5 ¥1,395.2 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	72 MHz	1 MB	96 kB	12 bit	112 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH CY8C5468AXI-LP106 Infineon Technologies 1: ¥2,511.4 3,032In Stock	Mfr. Part # CY8C5468AXI-LP106 Mouser Part # 727-CY8C5468AXILP106	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	3,032In Stock	¥2,511.4 ¥1,971.6 ¥1,719.1 ¥1,657.7 View ¥1,624.5 ¥1,549.7 ¥1,496.6	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	67 MHz	256 kB	64 kB	12 bit	72 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 128K 20KB RAM 2X12 ADC STM32F103VBT6 STMicroelectronics 1: ¥1,234.1 5,552In Stock	Mfr. Part # STM32F103VBT6 Mouser Part # 511-STM32F103VBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K 20KB RAM 2X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	5,552In Stock	¥1,234.1 ¥1,036.5 ¥953.4 ¥916.9 View ¥910.2 ¥792.3 ¥784 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	128 kB	20 kB	12 bit	100 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin STM32F103VCT6 STMicroelectronics 1: ¥1,377 12,341In Stock	Mfr. Part # STM32F103VCT6 Mouser Part # 511-STM32F103VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	12,341In Stock	¥1,377 ¥1,149.4 ¥1,053.1 ¥1,009.9 View ¥1,003.2 ¥878.7 ¥857.1 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	256 kB	48 kB	12 bit	80 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Perform ARM Cortex-M3 MCU STM32F103ZGT6TR STMicroelectronics 1: ¥3,061.2 1,456In Stock	Mfr. Part # STM32F103ZGT6TR Mouser Part # 511-STM32F103ZGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Perform ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f1	Datasheet	1,456In Stock	Cut Tape ¥3,061.2 ¥2,398.5 ¥2,222.4 ¥2,051.3 ¥1,978.3 Reel ¥1,858.7 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	72 MHz	1 MB	96 kB	12 bit	112 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex -M3 Bluet A 595-CC2640R2FRGZT CC2640R2FRGZR Texas Instruments 1: ¥980 4,754In Stock	Mfr. Part # CC2640R2FRGZR Mouser Part # 595-CC2640R2FRGZR	Texas Instruments	RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex -M3 Bluet A 595-CC2640R2FRGZT Learn More about Texas Instruments ti cc2640r2f simplelink	Datasheet	4,754In Stock	Cut Tape ¥980 ¥805.6 ¥752.4 ¥687.7 View Reel ¥593 ¥652.8 ¥631.2 ¥614.6 ¥593 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VQFN-48	ARM Cortex M3	32 bit	48 MHz	128 kB	20 kB	12 bit	31 I/O	1.8 V	3.8 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM STM32F103VBT6TR STMicroelectronics 1: ¥1,624.5 8,732In Stock	Mfr. Part # STM32F103VBT6TR Mouser Part # 511-STM32F103VBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	8,732In Stock	Cut Tape ¥1,624.5 ¥1,262.4 ¥1,116.2 ¥1,071.3 Reel ¥818.9 View ¥1,053.1 ¥993.3 ¥815.6 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	128 kB	20 kB	12 bit	100 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L152VET6 STMicroelectronics 1: ¥2,132.7 1,701In Stock	Mfr. Part # STM32L152VET6 Mouser Part # 511-STM32L152VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	1,701In Stock	¥2,132.7 ¥1,592.9 ¥1,455 ¥1,423.5 View ¥1,333.8 ¥1,222.5	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	32 MHz	512 kB	80 kB	12 bit	83 I/O	1.65 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package LPC1765FBD100K NXP Semiconductors 1: ¥2,239 5,350In Stock	Mfr. Part # LPC1765FBD100K Mouser Part # 771-LPC1765FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	5,350In Stock	¥2,239 ¥1,767.3 ¥1,632.8 ¥1,576.3 View ¥1,554.7 ¥1,511.5 ¥1,493.2 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	100 MHz	256 kB	64 kB	12 bit	70 I/O	3.3 V	3.3 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103VET6TR STMicroelectronics 1: ¥1,772.3 11,377In Stock	Mfr. Part # STM32F103VET6TR Mouser Part # 511-STM32F103VET6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	11,377In Stock	Cut Tape ¥1,772.3 ¥1,531.4 ¥1,430.1 ¥1,388.6 View Reel ¥1,101.2 ¥1,377 ¥1,318.8 ¥1,101.2 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	512 kB	64 kB	12 bit	80 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP100 TMPM3HNF10BFG Toshiba 1: ¥2,161 1,795In Stock	Mfr. Part # TMPM3HNF10BFG Mouser Part # 757-TMPM3HNF10BFG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP100 Learn More about Toshiba tmpm3h arm microcontrollers		1,795In Stock	¥2,161 ¥1,790.6 ¥1,592.9 ¥1,556.4 View ¥1,476.6 ¥1,433.4 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	120 MHz			12 bit	92 I/O	2.7 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE STM32F103CBT7 STMicroelectronics 1: ¥1,509.8 7,537In Stock	Mfr. Part # STM32F103CBT7 Mouser Part # 511-STM32F103CBT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	7,537In Stock	¥1,509.8 ¥1,167.7 ¥1,031.5 ¥988.3 View ¥943.4 ¥916.9 ¥915.2 ¥882	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	32 bit	72 MHz	128 kB	20 kB	12 bit	37 I/O	2 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash STM32F103RGT6 STMicroelectronics 1: ¥2,561.3 1,851In Stock 1,920Expected 1/25/2027	Mfr. Part # STM32F103RGT6 Mouser Part # 511-STM32F103RGT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash Learn More about STMicroelectronics stm32f1	Datasheet	1,851In Stock 1,920Expected 1/25/2027	¥2,561.3 ¥2,006.5 ¥1,858.7 ¥1,715.8 View ¥1,654.4 ¥1,642.7	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	72 MHz	1 MB	96 kB	12 bit	112 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105VCT6 STMicroelectronics 1: ¥1,463.3 15,075In Stock	Mfr. Part # STM32F105VCT6 Mouser Part # 511-STM32F105VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	15,075In Stock	¥1,463.3 ¥1,212.5 ¥1,117.9 ¥1,074.7 View ¥1,068 ¥1,034.8 ¥916.9 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	256 kB	64 kB	12 bit	80 I/O	2 V	3.6 V	+ 85 C	Tray