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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 (USD) 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 Value line ARM Cortex-M3 MCU 128Kb STM32F100CBT6BTR STMicroelectronics 1: $6.27 917In Stock	Mfr. Part # STM32F100CBT6BTR Mouser Part # 511-STM32F100CBT6BTR	STMicroelectronics	ARM Microcontrollers - MCU Value line ARM Cortex-M3 MCU 128Kb Learn More about STMicroelectronics stm32f1	Datasheet	917In Stock	Cut Tape $6.27 $4.79 $4.20 $4.02 View Reel $3.50 $3.71 $3.51 $3.50 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,400			ARM Cortex M3		32 bit
ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers STM32F100R6T6BTR STMicroelectronics 1: $6.76 934In Stock	Mfr. Part # STM32F100R6T6BTR Mouser Part # 511-STM32F100R6T6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers Learn More about STMicroelectronics stm32f1	Datasheet	934In Stock	Cut Tape $6.76 $4.97 $4.63 $4.07 Reel $3.25 View $3.86 $3.47 $3.20 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT		ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Low Medium Value Line Advanced ARM STM32F100R8T6B STMicroelectronics 1: $6.16 789In Stock 960On Order	Mfr. Part # STM32F100R8T6B Mouser Part # 511-STM32F100R8T6B	STMicroelectronics	ARM Microcontrollers - MCU Low Medium Value Line Advanced ARM Learn More about STMicroelectronics stm32f1	Datasheet	789In Stock 960On Order	$6.16 $4.71 $4.12 $3.84 View $3.67 $3.59	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RBT6BTR STMicroelectronics 1: $7.30 855In Stock	Mfr. Part # STM32F100RBT6BTR Mouser Part # 511-STM32F100RBT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	855In Stock	Cut Tape $7.30 $5.60 $5.02 $4.64 Reel $4.24 View $4.16 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT		ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 Value Line 64KB STM32F100V8T6B STMicroelectronics 1: $6.80 583In Stock 540Expected 11/13/2026	Mfr. Part # STM32F100V8T6B Mouser Part # 511-STM32F100V8T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 Value Line 64KB Learn More about STMicroelectronics stm32f1	Datasheet	583In Stock 540Expected 11/13/2026	$6.80 $4.83 $4.41 $4.06 View $3.69 $3.64 Quote	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line STM32F101C6T6ATR STMicroelectronics 1: $6.71 641In Stock	Mfr. Part # STM32F101C6T6ATR Mouser Part # 511-STM32F101C6T6ATR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line Learn More about STMicroelectronics stm32f1	Datasheet	641In Stock	Cut Tape $6.71 $4.93 $4.59 $4.04 View Reel $3.02 $3.83 $3.45 $3.08 $3.02 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 128K 16KB RAM 1X12 ADC STM32F101CBT6 STMicroelectronics 1: $7.81 471In Stock 4,500On Order	Mfr. Part # STM32F101CBT6 Mouser Part # 511-STM32F101CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K 16KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	471In Stock 4,500On Order On Order Ship Dates Mfr. #: STM32F101CBT6 Stock: 471 Can Ship Immediately On Order: 1,500 Expected 8/23/2027 3,000 Expected 10/11/2027 Factory Lead-Time: 40 Weeks	$7.81 $5.68 $5.24 $4.74 View $4.52 $4.34	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 ACCESS LINE STM32F101VET6 STMicroelectronics 1: $12.26 229In Stock	Mfr. Part # STM32F101VET6 Mouser Part # 511-STM32F101VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 ACCESS LINE Learn More about STMicroelectronics stm32f1	Datasheet	229In Stock	$12.26 $9.97 $9.50 $8.25 View $7.43 $7.40 $7.23	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D USB MCU STM32F102C8T6 STMicroelectronics 1: $6.75 1,353In Stock	Mfr. Part # STM32F102C8T6 Mouser Part # 511-STM32F102C8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	1,353In Stock	$6.75 $5.17 $4.54 $4.35 View $4.14 $4.01 $3.97 $3.76 Quote	Min.: 1 Mult.: 1	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 STM32F102R8T6 STMicroelectronics 1: $8.15 540In Stock	Mfr. Part # STM32F102R8T6 Mouser Part # 511-STM32F102R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	540In Stock	$8.15 $5.70 $5.43 $4.72 View $4.50 $4.30 $4.19 $4.08 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 M/D 32 to 128 USB/CAN STM32F103C6T6ATR STMicroelectronics 1: $6.23 1,992In Stock	Mfr. Part # STM32F103C6T6ATR Mouser Part # 511-STM32F103C6T6ATR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D 32 to 128 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	1,992In Stock	Cut Tape $6.23 $4.73 $4.40 $4.00 View Reel $3.50 $3.92 $3.58 $3.51 $3.50 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 Performance LINE STM32F103R8T6TR STMicroelectronics 1: $6.55 1,416In Stock	Mfr. Part # STM32F103R8T6TR Mouser Part # 511-STM32F103R8T6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	1,416In Stock	Cut Tape $6.55 $5.37 $4.88 $4.71 View Reel $4.08 $4.64 $4.42 $4.08 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 M/D Performance LINE STM32F103RBT7 STMicroelectronics 1: $9.86 1,030In Stock	Mfr. Part # STM32F103RBT7 Mouser Part # 511-STM32F103RBT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	1,030In Stock	$9.86 $7.62 $7.27 $6.31 View $6.11 $5.76 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 Performance LINE STM32F103RET6 STMicroelectronics 1: $12.30 567In Stock 4,800On Order	Mfr. Part # STM32F103RET6 Mouser Part # 511-STM32F103RET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	567In Stock 4,800On Order	$12.30 $9.64 $8.56 $8.04 $7.91	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE STM32F103RET7 STMicroelectronics 1: $12.50 558In Stock	Mfr. Part # STM32F103RET7 Mouser Part # 511-STM32F103RET7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	558In Stock	$12.50 $10.16 $9.34 $8.69 View $8.65 $8.63	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 FL PERFORMANCE LINE STM32F103T8U6 STMicroelectronics 1: $8.30 488In Stock 2,940Expected 6/7/2027	Mfr. Part # STM32F103T8U6 Mouser Part # 511-STM32F103T8U6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 FL PERFORMANCE LINE Learn More about STMicroelectronics stm32f1	Datasheet	488In Stock 2,940Expected 6/7/2027	$8.30 $5.80 $5.53 $4.82 View $4.67 $4.65 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-36	ARM Cortex M3	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE STM32F103VBT7 STMicroelectronics 1: $10.40 919In Stock	Mfr. Part # STM32F103VBT7 Mouser Part # 511-STM32F103VBT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	919In Stock	$10.40 $7.54 $6.92 $6.82 View $6.42 $6.03 $6.02	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 260 to 512 USB/CAN STM32F103VDT6 STMicroelectronics 1: $10.24 997In Stock	Mfr. Part # STM32F103VDT6 Mouser Part # 511-STM32F103VDT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 260 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	997In Stock	$10.24 $8.30 $7.54 $7.30 View $7.25 $6.40 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32F103 Perf Line M3 384kB 72 MHz MCU STM32F103VDT6TR STMicroelectronics 1: $11.86 466In Stock	Mfr. Part # STM32F103VDT6TR Mouser Part # 511-STM32F103VDT6TR	STMicroelectronics	ARM Microcontrollers - MCU STM32F103 Perf Line M3 384kB 72 MHz MCU Learn More about STMicroelectronics stm32f1	Datasheet	466In Stock	Cut Tape $11.86 $9.27 $8.23 $7.90 View Reel $6.93 $7.89 $7.51 $6.93 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3		32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE STM32F103VET7 STMicroelectronics 1: $13.97 1,648In Stock	Mfr. Part # STM32F103VET7 Mouser Part # 511-STM32F103VET7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	1,648In Stock	$13.97 $10.25 $9.45 $9.44 View $8.80 $8.79 $8.58 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 512kb STM32F103VET7TR STMicroelectronics 1: $14.07 265In Stock	Mfr. Part # STM32F103VET7TR Mouser Part # 511-STM32F103VET7TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 512kb Learn More about STMicroelectronics stm32f1	Datasheet	265In Stock	Cut Tape $14.07 $11.02 $10.21 $9.43 View Reel $8.11 $9.09 $8.79 $8.11 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3		32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 1Mb Flash STM32F103VGT7 STMicroelectronics 1: $17.43 262In Stock	Mfr. Part # STM32F103VGT7 Mouser Part # 511-STM32F103VGT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 1Mb Flash Learn More about STMicroelectronics stm32f1	Datasheet	262In Stock	$17.43 $13.79 $11.95 $11.56 View $11.09 $11.00 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 STM32F103 Eval BRD STM32F103ZEH6 STMicroelectronics 1: $13.62 1,566In Stock	Mfr. Part # STM32F103ZEH6 Mouser Part # 511-STM32F103ZEH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 STM32F103 Eval BRD Learn More about STMicroelectronics stm32f1	Datasheet	1,566In Stock	$13.62 $11.14 $10.32 $9.30 View $9.07 $9.06 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105RBT6 STMicroelectronics 1: $9.49 1,401In Stock	Mfr. Part # STM32F105RBT6 Mouser Part # 511-STM32F105RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	1,401In Stock	$9.49 $7.26 $6.48 $6.00 View $5.85 $5.54 $5.26 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105VBT6 STMicroelectronics 1: $9.85 282In Stock 1,620On Order	Mfr. Part # STM32F105VBT6 Mouser Part # 511-STM32F105VBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	282In Stock 1,620On Order On Order Ship Dates Mfr. #: STM32F105VBT6 Stock: 282 Can Ship Immediately On Order: 1,080 Expected 4/5/2027 540 Expected 6/28/2027 Factory Lead-Time: 52 Weeks	$9.85 $7.68 $7.27 $6.49 View $6.29 $6.00	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit