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ARM Cortex M3 Core Embedded Processors & Controllers

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Core = ARM Cortex M3

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101ZCT6 STMicroelectronics 1: $15.93 99In Stock	Mfr. Part # STM32F101ZCT6 Mouser Part # 511-STM32F101ZCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	99In Stock	$15.93 $12.41 $10.87 $10.47 View $10.05 $9.46 $9.35 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 ACCESS LINE STM32F101ZET6 STMicroelectronics 1: $19.04 182In Stock	Mfr. Part # STM32F101ZET6 Mouser Part # 511-STM32F101ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 ACCESS LINE Learn More about STMicroelectronics stm32f1	Datasheet	182In Stock	$19.04 $14.93 $13.15 $12.66 View $12.47 $11.03 $10.89 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash STM32F101ZGT6 STMicroelectronics 1: $23.36 41In Stock	Mfr. Part # STM32F101ZGT6 Mouser Part # 511-STM32F101ZGT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash Learn More about STMicroelectronics stm32f1	Datasheet	41In Stock	$23.36 $18.42 $16.95 $15.38 View $14.75 $14.13 $13.97 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D USB MCU STM32F102C6T6A STMicroelectronics 1: $10.17 41In Stock 1,500Expected 2026-11-16	Mfr. Part # STM32F102C6T6A Mouser Part # 511-STM32F102C6T6A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	41In Stock 1,500Expected 2026-11-16	$10.17 $7.47 $6.97 $6.12 View $5.82 $5.31 $5.11	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Access Line MCU STM32F102C6T6ATR STMicroelectronics 1: $10.17 1,177In Stock	Mfr. Part # STM32F102C6T6ATR Mouser Part # 511-STM32F102C6T6ATR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Access Line MCU Learn More about STMicroelectronics stm32f1	Datasheet	1,177In Stock	Cut Tape $10.17 $7.47 $6.97 $6.12 View Reel $4.84 $5.82 $5.21 $5.00 $4.84 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU STM32F102RBT6 STMicroelectronics 1: $11.72 35In Stock 1,920On Order	Mfr. Part # STM32F102RBT6 Mouser Part # 511-STM32F102RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	35In Stock 1,920On Order On Order Ship Dates Mfr. #: STM32F102RBT6 Stock: 35 Can Ship Immediately On Order: 960 Expected 2027-11-01 960 TBD Factory Lead-Time: 52 Weeks	$11.72 $9.01 $8.09 $7.42 View $6.98 $6.41 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 USB 7 TIMERS 2 ADCS CAN STM32F103C8T6TR STMicroelectronics 1: $10.21 38In Stock 19,200On Order	Mfr. Part # STM32F103C8T6TR Mouser Part # 511-STM32F103C8T6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 USB 7 TIMERS 2 ADCS CAN Learn More about STMicroelectronics stm32f1	Datasheet	38In Stock 19,200On Order On Order Ship Dates Mfr. #: STM32F103C8T6TR Stock: 38 Can Ship Immediately On Order: 4,800 Expected 2027-01-25 14,400 Expected 2027-08-23 Factory Lead-Time: 40 Weeks	Cut Tape $10.21 $7.79 $7.07 $6.28 View Reel $5.49 $6.00 $5.73 $5.49 $5.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 Medium-density STM32F103C8T7 STMicroelectronics 1: $12.73 266In Stock 7,500On Order	Mfr. Part # STM32F103C8T7 Mouser Part # 511-STM32F103C8T7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Medium-density Learn More about STMicroelectronics stm32f1	Datasheet	266In Stock 7,500On Order On Order Ship Dates Mfr. #: STM32F103C8T7 Stock: 266 Can Ship Immediately On Order: 3,000 Expected 2027-09-06 4,500 Expected 2027-10-11 Factory Lead-Time: 40 Weeks	$12.73 $9.84 $8.67 $8.31 View $7.93 $7.70	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN IND STM32F103RBT7TR STMicroelectronics 1: $14.23 283In Stock	Mfr. Part # STM32F103RBT7TR Mouser Part # 511-STM32F103RBT7TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN IND Learn More about STMicroelectronics stm32f1	Datasheet	283In Stock	Cut Tape $14.23 $11.02 $9.76 $9.22 Reel $7.65 View $8.99 $8.32 $7.40 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 11 TMRS 3 ADCS STM32F103RDT6TR STMicroelectronics 1: $16.56 25In Stock 1,000On Order	Mfr. Part # STM32F103RDT6TR Mouser Part # 511-STM32F103RDT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 11 TMRS 3 ADCS Learn More about STMicroelectronics stm32f1	Datasheet	25In Stock 1,000On Order	Cut Tape $16.56 $12.89 $11.89 $10.79 View Reel $9.60 $10.53 $9.75 $9.60 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE STM32F103RET6TR STMicroelectronics 1: $18.24 9In Stock 2,000On Order	Mfr. Part # STM32F103RET6TR Mouser Part # 511-STM32F103RET6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	9In Stock 2,000On Order	Cut Tape $18.24 $14.43 $13.74 $12.46 View Reel $11.35 $12.20 $11.45 $11.35 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb STM32F103RFT6 STMicroelectronics 1: $21.12 19In Stock 1,920Expected 2027-07-12	Mfr. Part # STM32F103RFT6 Mouser Part # 511-STM32F103RFT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb Learn More about STMicroelectronics stm32f1	Datasheet	19In Stock 1,920Expected 2027-07-12	$21.12 $16.59 $14.66 $13.64 View $13.38 $13.15 $13.13	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 36 PIN 32KB STM32F103T6U6A STMicroelectronics 1: $11.23 42In Stock 2,940Expected 2027-11-22	Mfr. Part # STM32F103T6U6A Mouser Part # 511-STM32F103T6U6A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 36 PIN 32KB Learn More about STMicroelectronics stm32f1	Datasheet	42In Stock 2,940Expected 2027-11-22	$11.23 $8.25 $7.66 $6.78 View $6.44 $6.05 $5.95 $5.64	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-36	ARM Cortex M3	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM STM32F103TBU6 STMicroelectronics 1: $13.54 5In Stock 5,880Expected 2027-03-16	Mfr. Part # STM32F103TBU6 Mouser Part # 511-STM32F103TBU6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	5In Stock 5,880Expected 2027-03-16	$13.54 $8.84 $7.99	Min.: 1 Mult.: 1	SMD/SMT	VFQFPN-36	ARM Cortex M3	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC STM32F103V8T6 STMicroelectronics 1: $13.71 30In Stock 540Expected 2027-03-11	Mfr. Part # STM32F103V8T6 Mouser Part # 511-STM32F103V8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	30In Stock 540Expected 2027-03-11	$13.71 $10.28 $9.81 $8.42 View $7.98 $7.73	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	100 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb STM32F103VFT6 STMicroelectronics 1: $23.20 17In Stock 1,080Expected 2027-04-26	Mfr. Part # STM32F103VFT6 Mouser Part # 511-STM32F103VFT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb Learn More about STMicroelectronics stm32f1	Datasheet	17In Stock 1,080Expected 2027-04-26	$23.20 $17.09 $15.77 $14.70	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 768kb PL STM32F103VFT6TR STMicroelectronics 1: $21.60 4In Stock 2,000Expected 2027-02-03	Mfr. Part # STM32F103VFT6TR Mouser Part # 511-STM32F103VFT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 768kb PL Learn More about STMicroelectronics stm32f1	Datasheet	4In Stock 2,000Expected 2027-02-03	Cut Tape $21.60 $17.42 $15.70 $14.66 $13.69 Reel $13.39 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Perform ARM 32Bit 768kB Flash 100-Pin STM32F103VFT7 STMicroelectronics 1: $23.07 311In Stock	Mfr. Part # STM32F103VFT7 Mouser Part # 511-STM32F103VFT7	STMicroelectronics	ARM Microcontrollers - MCU Perform ARM 32Bit 768kB Flash 100-Pin Learn More about STMicroelectronics stm32f1	Datasheet	311In Stock	$23.07 $17.04 $15.74 $14.67 View $13.92 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103VGT6TR STMicroelectronics 1: $20.84 16In Stock 1,000Expected 2027-06-28	Mfr. Part # STM32F103VGT6TR Mouser Part # 511-STM32F103VGT6TR	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	16In Stock 1,000Expected 2027-06-28	Cut Tape $20.84 $19.01 $16.65 $16.03 $14.99 Reel $14.66	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m STM32F103ZCT7TR STMicroelectronics 1: $19.57 57In Stock 500On Order	Mfr. Part # STM32F103ZCT7TR Mouser Part # 511-STM32F103ZCT7TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	57In Stock 500On Order	Cut Tape $19.57 $15.35 $13.97 $13.13 $12.87 Reel $12.23 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE STM32F103ZET6 STMicroelectronics 1: $24.74 17In Stock 4,680On Order	Mfr. Part # STM32F103ZET6 Mouser Part # 511-STM32F103ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	17In Stock 4,680On Order	$24.74 $19.53 $16.65 $15.68 View $15.39 $14.76	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 High-density STM32F103ZET6TR STMicroelectronics 1: $22.12 151In Stock 500Expected 2027-11-22	Mfr. Part # STM32F103ZET6TR Mouser Part # 511-STM32F103ZET6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 High-density Learn More about STMicroelectronics stm32f1	Datasheet	151In Stock 500Expected 2027-11-22	Cut Tape $22.12 $17.37 $15.83 $14.88 $14.59 Reel $13.84 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb STM32F103ZFT6 STMicroelectronics 1: $25.49 2In Stock	Mfr. Part # STM32F103ZFT6 Mouser Part # 511-STM32F103ZFT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb Learn More about STMicroelectronics stm32f1	Datasheet	2In Stock	$25.49 $20.13 $17.80 $17.16 $16.16	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash STM32F103ZGH6 STMicroelectronics 1: $23.56 14In Stock 2,208Expected 2027-09-20	Mfr. Part # STM32F103ZGH6 Mouser Part # 511-STM32F103ZGH6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash Learn More about STMicroelectronics stm32f1	Datasheet	14In Stock 2,208Expected 2027-09-20	$23.56 $19.24 $17.68 $16.69 View $16.52 $16.03 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN, STM32F105R8T6TR STMicroelectronics 1: $13.03 35In Stock 1,000On Order	Mfr. Part # STM32F105R8T6TR Mouser Part # 511-STM32F105R8T6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN, Learn More about STMicroelectronics stm32f1	Datasheet	35In Stock 1,000On Order	Cut Tape $13.03 $11.89 $9.13 $8.51 View Reel $6.67 $8.25 $7.27 $6.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit