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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 ARM 32Bit Access MCU 100-Pin 256kB Flash STM32F101VCT6TR STMicroelectronics 1: $10.16 999Expected 10/18/2027	Mfr. Part # STM32F101VCT6TR Mouser Part # 511-STM32F101VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	999Expected 10/18/2027	Cut Tape $10.16 $7.86 $6.97 $6.69 $5.86 Reel $5.72 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 XL-Density Access Line 32-Bit 768 Kb STM32F101VFT6 STMicroelectronics 1: $13.65 540Expected 4/5/2027	Mfr. Part # STM32F101VFT6 Mouser Part # 511-STM32F101VFT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb Learn More about STMicroelectronics stm32f1	Datasheet	540Expected 4/5/2027	$13.65 $10.30 $9.49 $9.17 $8.83	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 128kb Performance STM32F103CBU6 STMicroelectronics 1: $8.61 1,552In Stock 1,560Expected 8/2/2027	Mfr. Part # STM32F103CBU6 Mouser Part # 511-STM32F103CBU6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance Learn More about STMicroelectronics stm32f1	Datasheet	1,552In Stock 1,560Expected 8/2/2027	$8.61 $6.61 $5.87 $5.58 $5.52	Min.: 1 Mult.: 1	SMD/SMT	UQFN-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m STM32F103RCT7TR STMicroelectronics 1: $11.13 1,000On Order	Mfr. Part # STM32F103RCT7TR Mouser Part # 511-STM32F103RCT7TR	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	1,000On Order	Cut Tape $11.13 $8.66 $8.01 $7.25 View Reel $6.47 $7.12 $6.62 $6.47 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 257 to 512 USB/CAN STM32F103RDT6 STMicroelectronics 1: $10.63 1,883On Order	Mfr. Part # STM32F103RDT6 Mouser Part # 511-STM32F103RDT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 257 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	1,883On Order On Order Ship Dates Mfr. #: STM32F103RDT6 Stock: 0 On Order: 923 Expected 4/14/2027 960 TBD Factory Lead-Time: 52 Weeks	$10.63 $8.39 $7.81 $7.09 $6.98	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 1Mb Flash STM32F103RGT7 STMicroelectronics 1: $16.49 958Expected 3/29/2027	Mfr. Part # STM32F103RGT7 Mouser Part # 511-STM32F103RGT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 1Mb Flash Learn More about STMicroelectronics stm32f1	Datasheet	958Expected 3/29/2027	$16.49 $12.93 $11.97 $11.05 View $10.71 $10.30	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE STM32F103T8U7 STMicroelectronics 1: $8.23 2,922Expected 7/5/2027	Mfr. Part # STM32F103T8U7 Mouser Part # 511-STM32F103T8U7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	2,922Expected 7/5/2027	$8.23 $6.34 $5.92 $5.35 View $4.95 $4.83	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-36	ARM Cortex M3	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 261 to 512 USB/CAN STM32F103ZCT6 STMicroelectronics 1: $12.66 1,282On Order	Mfr. Part # STM32F103ZCT6 Mouser Part # 511-STM32F103ZCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 261 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	1,282On Order	$12.66 $10.14 $9.95 $9.58 $8.48	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 262 to 512 USB/CAN STM32F103ZDT6 STMicroelectronics 1: $13.97 358On Order	Mfr. Part # STM32F103ZDT6 Mouser Part # 511-STM32F103ZDT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 262 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	358On Order	$13.97 $10.95 $10.14 $9.36 $9.03	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line STM32F105RCT7 STMicroelectronics 1: $11.36 897On Order	Mfr. Part # STM32F105RCT7 Mouser Part # 511-STM32F105RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line Learn More about STMicroelectronics stm32f1	Datasheet	897On Order	$11.36 $8.84 $8.43 $7.32 View $6.91 $6.52	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 STM32F107VBT6 STMicroelectronics 1: $9.98 1,030Expected 12/14/2026	Mfr. Part # STM32F107VBT6 Mouser Part # 511-STM32F107VBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	1,030Expected 12/14/2026	$9.98 $8.00 $7.69 $7.43 $6.70	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F107VCH6 STMicroelectronics 1: $11.44 2,008Expected 1/13/2027	Mfr. Part # STM32F107VCH6 Mouser Part # 511-STM32F107VCH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics STM32F107	Datasheet	2,008Expected 1/13/2027	$11.44 $9.27 $8.62 $7.91	Min.: 1 Mult.: 1	SMD/SMT	BGA-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB STM32F205ZFT6 STMicroelectronics 1: $16.34 360Expected 2/22/2027	Mfr. Part # STM32F205ZFT6 Mouser Part # 511-STM32F205ZFT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB Learn More about STMicroelectronics stm32f2	Datasheet	360Expected 2/22/2027	$16.34 $16.11 $14.27 $13.77 $12.24	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB STM32F205ZGT6 STMicroelectronics 1: $18.29 720Expected 2/22/2027	Mfr. Part # STM32F205ZGT6 Mouser Part # 511-STM32F205ZGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	720Expected 2/22/2027	$18.29 $14.89 $13.39 $13.24 $13.23	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity STM32F207IEH6 STMicroelectronics 1: $19.95 1,002Expected 3/18/2027	Mfr. Part # STM32F207IEH6 Mouser Part # 511-STM32F207IEH6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity Learn More about STMicroelectronics stm32f2	Datasheet	1,002Expected 3/18/2027	$19.95 $15.82 $14.62 $13.51 View $13.26 $13.20	Min.: 1 Mult.: 1	SMD/SMT	BGA-176	ARM Cortex M3		32 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB STM32F215VGT6 STMicroelectronics 1: $17.71 539On Order	Mfr. Part # STM32F215VGT6 Mouser Part # 511-STM32F215VGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	539On Order	$17.71 $14.03 $12.17 $11.84 View $11.71 $11.12 $11.02 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB STM32F217VGT6TR STMicroelectronics 1: $19.36 1,000Expected 2/24/2027	Mfr. Part # STM32F217VGT6TR Mouser Part # 511-STM32F217VGT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	1,000Expected 2/24/2027	Cut Tape $19.36 $15.36 $14.21 $13.26 View Reel $12.15 $13.25 $12.42 $12.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB STM32F217ZGT6 STMicroelectronics 1: $21.88 720Expected 2/22/2027	Mfr. Part # STM32F217ZGT6 Mouser Part # 511-STM32F217ZGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	720Expected 2/22/2027	$21.88 $17.33 $16.08 $15.53 $13.83	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB STM32L151C8T6A STMicroelectronics 1: $7.03 1,428On Order	Mfr. Part # STM32L151C8T6A Mouser Part # 511-STM32L151C8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	1,428On Order	$7.03 $5.39 $4.73 $4.46 View $4.24 $3.95 $3.86 $3.79 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz STM32L151CCT6 STMicroelectronics 1: $8.84 1,987Expected 2/26/2027	Mfr. Part # STM32L151CCT6 Mouser Part # 511-STM32L151CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,987Expected 2/26/2027	$8.84 $6.77 $6.02 $5.65 View $5.40 $5.34	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz STM32L151RCT6 STMicroelectronics 1: $8.91 1,920Expected 3/8/2027	Mfr. Part # STM32L151RCT6 Mouser Part # 511-STM32L151RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,920Expected 3/8/2027	$8.91 $6.77 $6.24 $5.59 View $5.46 $5.13	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151RET6 STMicroelectronics 1: $11.41 1,907Expected 2/23/2027	Mfr. Part # STM32L151RET6 Mouser Part # 511-STM32L151RET6	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	1,907Expected 2/23/2027	$11.41 $8.88 $8.42 $7.94 View $7.77 $7.24 $7.16	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151RET6TR STMicroelectronics 1: $11.61 1,673Expected 2/23/2027	Mfr. Part # STM32L151RET6TR Mouser Part # 511-STM32L151RET6TR	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	1,673Expected 2/23/2027	Cut Tape $11.61 $9.03 $8.36 $7.57 View Reel $6.75 $7.43 $6.92 $6.75 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 Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152R8T6A STMicroelectronics 1: $8.18 947Expected 2/22/2027	Mfr. Part # STM32L152R8T6A Mouser Part # 511-STM32L152R8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	947Expected 2/22/2027	$8.18 $5.72 $5.45 $4.74 View $4.52 $4.21	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32L16 Low Power M3 384kB 32MHz MCU STM32L162VDT6 STMicroelectronics 1: $12.44 539Expected 2/22/2027	Mfr. Part # STM32L162VDT6 Mouser Part # 511-STM32L162VDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L16 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	539Expected 2/22/2027	$12.44 $10.11 $9.65 $8.38 View $8.00 $7.49	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	83 I/O	32 bit	12 bit