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ARM Cortex M4 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 XMC4000 Infineon Technologies XMC4200F64F256BAXQMA1 XMC4200F64F256BAXQMA1 Infineon Technologies 1: ¥1,323.8 599In Stock	Mfr. Part # XMC4200F64F256BAXQMA1 Mouser Part # 726-XMC4200F64F256BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	599In Stock	¥1,323.8 ¥1,019.9 ¥905.2 ¥850.4 View ¥835.5 ¥794 ¥792.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	ARM Cortex M4	32 bit/16 bit	80 MHz	256 kB	40 kB	12 bit	35 I/O	3 V	3.63 V	+ 125 C	Tray
ARM Microcontrollers - MCU XMC4000 Infineon Technologies XMC4200Q48K256BAXUMA1 XMC4200Q48K256BAXUMA1 Infineon Technologies 1: ¥1,524.8 1,555In Stock 12,500On Order	Mfr. Part # XMC4200Q48K256BAXUMA1 Mouser Part # 726-XMC4200Q48K256BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	1,555In Stock 12,500On Order On Order Ship Dates Mfr. #: XMC4200Q48K256BAXUMA1 Stock: 1,555 Can Ship Immediately On Order: 5,000 Expected 12/3/2026 7,500 TBD Factory Lead-Time: 13 Weeks	Cut Tape ¥1,524.8 ¥1,182.6 ¥1,044.8 ¥1,001.6 View Reel ¥830.5 ¥993.3 ¥883.7 ¥867 ¥830.5 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-48	ARM Cortex M4	32 bit/16 bit	80 MHz	256 kB	40 kB	12 bit	21 I/O	3 V	3.63 V	+ 125 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU K22F 128R Senna NXP Semiconductors MK22FN128VLH10R MK22FN128VLH10R NXP Semiconductors 1: ¥1,368.7 656In Stock	Mfr. Part # MK22FN128VLH10R Mouser Part # 841-MK22FN128VLH10R	NXP Semiconductors	ARM Microcontrollers - MCU K22F 128R Senna Learn More about NXP Semiconductors nxp kinetis k2x mcu	Datasheet	656In Stock	Cut Tape ¥1,368.7 ¥1,058.1 ¥933.5 ¥895.3 View Reel ¥775.7 ¥832.2 ¥777.3 ¥775.7 Quote	Min.: 1 Mult.: 1 : 1,500	SMD/SMT		ARM Cortex M4	32 bit	100 MHz	128 kB	24 kB	16 bit	40 I/O	1.71 V	3.6 V	+ 105 C	Reel, Cut Tape
ARM Microcontrollers - MCU 32-bit MCU, ARM Cortex NXP Semiconductors MK22FN512VFX12R MK22FN512VFX12R NXP Semiconductors 1: ¥2,337 1,478In Stock	Mfr. Part # MK22FN512VFX12R Mouser Part # 841-MK22FN512VFX12R	NXP Semiconductors	ARM Microcontrollers - MCU 32-bit MCU, ARM Cortex Learn More about NXP Semiconductors nxp kinetis k2x mcu	Datasheet	1,478In Stock	Cut Tape ¥2,337 ¥1,838.7 ¥1,641.1 ¥1,578 View Reel ¥1,317.2 ¥1,554.7 ¥1,491.6 ¥1,386.9 ¥1,317.2 Quote	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-88	ARM Cortex M4	32 bit	120 MHz	512 kB	128 kB	16 bit	60 I/O	1.71 V	3.6 V	+ 105 C	Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB USB LCD MCU EFM32GG12B430F512GQ100-A Silicon Labs 1: ¥2,357 38In Stock NRND	Mfr. Part # EFM32GG12B430F512GQ100-A Mouser Part # 634-2B430F512GQ100A NRND	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB USB LCD MCU Learn More about Silicon Labs giant gecko 12	Datasheet	38In Stock	¥2,357 ¥1,845.4 ¥1,717.5 ¥1,578 View ¥1,561.3 ¥1,470 ¥1,436.8 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFP-100	ARM Cortex M4	32 bit	72 MHz	512 kB	192 kB	2 x 12 bit	83 I/O	1.8 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU EFM32GG11B820F2048GL152-B Silicon Labs 1: ¥3,939.9 13In Stock NRND	Mfr. Part # EFM32GG11B820F2048GL152-B Mouser Part # 634-B820F2048GL152-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	13In Stock	¥3,939.9 ¥3,149.3 ¥2,953.3 ¥2,735.7 View ¥2,632.7 ¥2,569.6	Min.: 1 Mult.: 1	SMD/SMT	BGA-152	ARM Cortex M4	32 bit	72 MHz	2.05 MB	512 kB	12 bit	121 I/O	1.8 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 STM32F301C8T6 STMicroelectronics 1: ¥1,132.8 299In Stock 1,500Expected 1/26/2027	Mfr. Part # STM32F301C8T6 Mouser Part # 511-STM32F301C8T6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 Learn More about STMicroelectronics stm 32f3	Datasheet	299In Stock 1,500Expected 1/26/2027	¥1,132.8 ¥845.4 ¥767.4 ¥699.3 View ¥664.4 ¥631.2	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	64 kB	16 kB	12 bit	37 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 STM32F301K6U6 STMicroelectronics 1: ¥865.4 61In Stock 2,940On Order	Mfr. Part # STM32F301K6U6 Mouser Part # 511-STM32F301K6U6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 Learn More about STMicroelectronics stm 32f3	Datasheet	61In Stock 2,940On Order	¥865.4 ¥617.9 ¥533.2 ¥508.3 View ¥481.7 ¥476.7 ¥450.1	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-32	ARM Cortex M4	32 bit	72 MHz	32 kB	16 kB	12 bit	24 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 STM32F301R8T6 STMicroelectronics 1: ¥1,298.9 5In Stock 960Expected 4/5/2027	Mfr. Part # STM32F301R8T6 Mouser Part # 511-STM32F301R8T6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 Learn More about STMicroelectronics stm 32f3	Datasheet	5In Stock 960Expected 4/5/2027	¥1,298.9 ¥903.6 ¥822.2 ¥747.5 View ¥725.9 ¥651.1	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	72 MHz	64 kB	16 kB	12 bit	51 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU STM32F302CBT6 STMicroelectronics 1: ¥1,342.1 39In Stock 12,000On Order	Mfr. Part # STM32F302CBT6 Mouser Part # 511-STM32F302CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	39In Stock 12,000On Order	¥1,342.1 ¥1,031.5 ¥905.2 ¥810.6 ¥802.3	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	2 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash STM32F302CBT6TR STMicroelectronics 1: ¥1,342.1 39In Stock	Mfr. Part # STM32F302CBT6TR Mouser Part # 511-STM32F302CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	39In Stock	Cut Tape ¥1,342.1 ¥938.5 ¥895.3 ¥772.4 View Reel ¥671 ¥765.7 ¥707.6 ¥671 ¥671 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT		ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	2 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash STM32F302CBT7 STMicroelectronics 1: ¥1,259 36In Stock 3,000Expected 4/26/2027	Mfr. Part # STM32F302CBT7 Mouser Part # 511-STM32F302CBT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	36In Stock 3,000Expected 4/26/2027	¥1,259 ¥968.4 ¥852.1 ¥815.6 View ¥779 ¥755.8	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	2 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU STM32F302CCT6 STMicroelectronics 1: ¥1,343.7 300In Stock 1,500On Order	Mfr. Part # STM32F302CCT6 Mouser Part # 511-STM32F302CCT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	300In Stock 1,500On Order	¥1,343.7 ¥1,036.5 ¥913.6 ¥893.6 View ¥853.8 ¥827.2 ¥810.6 ¥808.9	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	256 kB	40 kB	2 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32 Kbytes Flash STM32F302K6U6 STMicroelectronics 1: ¥1,061.4 26In Stock 2,940On Order	Mfr. Part # STM32F302K6U6 Mouser Part # 511-STM32F302K6U6	STMicroelectronics	ARM Microcontrollers - MCU 32 Kbytes Flash Learn More about STMicroelectronics stm stm32f302x6 stm32f302x8	Datasheet	26In Stock 2,940On Order	¥1,061.4 ¥792.3 ¥719.2 ¥654.4 View ¥614.6 ¥569.7 ¥556.4	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-32	ARM Cortex M4	32 bit	72 MHz	32 kB	16 kB	6 bit/8 bit/10 bit/12 bit	24 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU STM32F302RBT6 STMicroelectronics 1: ¥1,270.7 12In Stock 960On Order	Mfr. Part # STM32F302RBT6 Mouser Part # 511-STM32F302RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	12In Stock 960On Order	¥1,270.7 ¥978.3 ¥860.4 ¥803.9 View ¥802.3 ¥755.8	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	2 x 6 bit/8 bit/10 bit/12 bit	51 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash STM32F302RBT6TR STMicroelectronics 1: ¥1,372 36In Stock 10,000On Order	Mfr. Part # STM32F302RBT6TR Mouser Part # 511-STM32F302RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	36In Stock 10,000On Order On Order Ship Dates Mfr. #: STM32F302RBT6TR Stock: 36 Can Ship Immediately On Order: 3,000 Expected 6/7/2027 7,000 TBD Factory Lead-Time: 52 Weeks	Cut Tape ¥1,372 ¥1,014.9 ¥966.7 ¥833.8 View Reel ¥744.1 ¥825.5 ¥764.1 ¥744.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	2 x 6 bit/8 bit/10 bit/12 bit	51 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU STM32F302RCT6 STMicroelectronics 1: ¥1,440.1 120In Stock 960Expected 6/7/2027	Mfr. Part # STM32F302RCT6 Mouser Part # 511-STM32F302RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	120In Stock 960Expected 6/7/2027	¥1,440.1 ¥1,109.5 ¥1,008.2 ¥925.2 View ¥880.3 ¥817.2 ¥805.6 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	72 MHz	256 kB	40 kB	2 x 6 bit/8 bit/10 bit/12 bit	51 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU STM32F303CBT6 STMicroelectronics 1: ¥1,302.2 32In Stock 3,000On Order	Mfr. Part # STM32F303CBT6 Mouser Part # 511-STM32F303CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	32In Stock 3,000On Order	¥1,302.2 ¥1,003.2 ¥901.9 ¥847.1 View ¥807.2 ¥784	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	4 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Analog and DSP FPU ARM Cortex-M4 MCU STM32F303CBT6TR STMicroelectronics 1: ¥1,443.4 7In Stock 4,800On Order	Mfr. Part # STM32F303CBT6TR Mouser Part # 511-STM32F303CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Analog and DSP FPU ARM Cortex-M4 MCU Learn More about STMicroelectronics stm 32f3	Datasheet	7In Stock 4,800On Order	Cut Tape ¥1,443.4 ¥1,053.1 ¥968.4 ¥878.7 View Reel ¥759.1 ¥857.1 ¥785.7 ¥759.1 ¥759.1 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	4 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash STM32F303CBT7 STMicroelectronics 1: ¥1,480 26In Stock 1,500Expected 1/4/2027	Mfr. Part # STM32F303CBT7 Mouser Part # 511-STM32F303CBT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	26In Stock 1,500Expected 1/4/2027	¥1,480 ¥1,132.8 ¥1,034.8 ¥938.5 View ¥896.9 ¥887	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	128 kB	40 kB	4 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash STM32F303CBT7TR STMicroelectronics 1: ¥1,488.3 223In Stock	Mfr. Part # STM32F303CBT7TR Mouser Part # 511-STM32F303CBT7TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	223In Stock	Cut Tape ¥1,488.3 ¥1,116.2 ¥1,064.7 ¥923.5 View Reel ¥795.6 ¥882 ¥837.1 ¥795.6 ¥795.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	128 kB	40 kB	4 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 105 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F303CCT6TR STMicroelectronics 1: ¥1,486.6 30In Stock 2,400On Order	Mfr. Part # STM32F303CCT6TR Mouser Part # 511-STM32F303CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	30In Stock 2,400On Order	Cut Tape ¥1,486.6 ¥1,151.1 ¥1,014.9 ¥973.3 View Reel ¥828.8 ¥971.7 ¥903.6 ¥828.8 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	256 kB	40 kB	4 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F303CCT7 STMicroelectronics 1: ¥1,667.6 28In Stock 1,500On Order	Mfr. Part # STM32F303CCT7 Mouser Part # 511-STM32F303CCT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	28In Stock 1,500On Order	¥1,667.6 ¥1,288.9 ¥1,229.1 ¥1,066.4 View ¥1,019.9 ¥963.4 ¥940.1	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	72 MHz	256 kB	40 kB	4 x 6 bit/8 bit/10 bit/12 bit	37 I/O	2 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 STM32F303R8T6 STMicroelectronics 1: ¥1,473.3 311In Stock	Mfr. Part # STM32F303R8T6 Mouser Part # 511-STM32F303R8T6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 Learn More about STMicroelectronics stm 32f3	Datasheet	311In Stock	¥1,473.3 ¥1,029.8 ¥981.7 ¥852.1 View ¥813.9 ¥775.7 ¥757.4 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	72 MHz	64 kB	16 kB	2 x 6 bit/8 bit/10 bit/12 bit	51 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU STM32F303RBT6 STMicroelectronics 1: ¥1,458.4 32In Stock 960On Order	Mfr. Part # STM32F303RBT6 Mouser Part # 511-STM32F303RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 128kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	32In Stock 960On Order	¥1,458.4 ¥1,107.9 ¥1,021.5 ¥915.2 View ¥893.6 ¥855.4	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	72 MHz	128 kB	32 kB	4 x 6 bit/8 bit/10 bit/12 bit	52 I/O	2 V	3.6 V	+ 85 C	Tray