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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 (SGD) 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 STM32F101VCT6 STMicroelectronics 1: $13.82 2,157On Order	Mfr. Part No. STM32F101VCT6 Mouser Part No 511-STM32F101VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	2,157On Order On Order Ship Dates Mfr. No: STM32F101VCT6 Stock: 0 On Order: 1,617 Expected 30/11/2026 540 Expected 30/8/2027 Factory Lead Time: 52 Weeks	$13.82 $9.98 $9.15 $8.98 $8.49	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash STM32F101VCT6TR STMicroelectronics 1: $13.82 999Expected 18/10/2027	Mfr. Part No. STM32F101VCT6TR Mouser Part No 511-STM32F101VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	999Expected 18/10/2027	Cut Tape $13.82 $10.69 $9.48 $9.10 $7.97 Reel $7.78 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: $18.56 540Expected 5/4/2027	Mfr. Part No. STM32F101VFT6 Mouser Part No 511-STM32F101VFT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb Learn More about STMicroelectronics stm32f1	Datasheet	540Expected 5/4/2027	$18.56 $14.01 $12.91 $12.47 $12.01	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: $11.10 3,112On Order	Mfr. Part No. STM32F103CBU6 Mouser Part No 511-STM32F103CBU6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance Learn More about STMicroelectronics stm32f1	Datasheet	3,112On Order On Order Ship Dates Mfr. No: STM32F103CBU6 Stock: 0 On Order: 1,552 Expected 5/11/2026 1,560 Expected 10/5/2027 Factory Lead Time: 40 Weeks	$11.10 $8.47 $7.59 $7.15 View $6.81 $6.62	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: $15.14 1,000On Order	Mfr. Part No. STM32F103RCT7TR Mouser Part No 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 $15.14 $11.78 $10.89 $9.86 View Reel $8.80 $9.68 $9.00 $8.80 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: $14.46 1,883On Order	Mfr. Part No. STM32F103RDT6 Mouser Part No 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. No: STM32F103RDT6 Stock: 0 On Order: 923 Expected 14/4/2027 960 TBD Factory Lead Time: 52 Weeks	$14.46 $11.41 $10.62 $9.64 $9.49	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: $22.43 958Expected 29/3/2027	Mfr. Part No. STM32F103RGT7 Mouser Part No 511-STM32F103RGT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 1Mb Flash Learn More about STMicroelectronics stm32f1	Datasheet	958Expected 29/3/2027	$22.43 $17.58 $16.28 $15.03 View $14.57 $14.01	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: $11.19 2,922Expected 14/6/2027	Mfr. Part No. STM32F103T8U7 Mouser Part No 511-STM32F103T8U7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	2,922Expected 14/6/2027	$11.19 $8.62 $8.05 $7.28 View $6.73 $6.57	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: $17.12 1,282On Order	Mfr. Part No. STM32F103ZCT6 Mouser Part No 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 On Order Ship Dates Mfr. No: STM32F103ZCT6 Stock: 0 On Order: 562 Expected 15/11/2027 720 TBD Factory Lead Time: 52 Weeks	$17.12 $13.79 $12.65 $12.13 View $11.83 $10.78	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: $19.00 358On Order	Mfr. Part No. STM32F103ZDT6 Mouser Part No 511-STM32F103ZDT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 262 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	358On Order	$19.00 $14.89 $13.79 $12.73 $12.28	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: $15.45 897On Order	Mfr. Part No. STM32F105RCT7 Mouser Part No 511-STM32F105RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line Learn More about STMicroelectronics stm32f1	Datasheet	897On Order	$15.45 $12.02 $11.46 $9.96 View $9.40 $8.87	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: $13.57 1,030Expected 10/12/2026	Mfr. Part No. STM32F107VBT6 Mouser Part No 511-STM32F107VBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	1,030Expected 10/12/2026	$13.57 $10.88 $10.46 $10.10 $9.11	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: $15.56 2,008Expected 13/1/2027	Mfr. Part No. STM32F107VCH6 Mouser Part No 511-STM32F107VCH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics STM32F107	Datasheet	2,008Expected 13/1/2027	$15.56 $12.61 $11.72 $10.76	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: $24.41 360Expected 22/2/2027	Mfr. Part No. STM32F205ZFT6 Mouser Part No 511-STM32F205ZFT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB Learn More about STMicroelectronics stm32f2	Datasheet	360Expected 22/2/2027	$24.41 $17.48 $17.12 $16.52	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: $24.86 720Expected 22/2/2027	Mfr. Part No. STM32F205ZGT6 Mouser Part No 511-STM32F205ZGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	720Expected 22/2/2027	$24.86 $20.06 $17.92 $16.89 View $16.84 $16.82	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: $27.13 1,002Expected 18/3/2027	Mfr. Part No. STM32F207IEH6 Mouser Part No 511-STM32F207IEH6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity Learn More about STMicroelectronics stm32f2	Datasheet	1,002Expected 18/3/2027	$27.13 $21.52 $19.88 $18.37 View $18.03 $17.95	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: $24.09 539On Order	Mfr. Part No. STM32F215VGT6 Mouser Part No 511-STM32F215VGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	539On Order	$24.09 $19.08 $16.55 $16.10 View $15.93 $15.12 $14.99 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: $26.33 792Expected 24/2/2027	Mfr. Part No. STM32F217VGT6TR Mouser Part No 511-STM32F217VGT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	792Expected 24/2/2027	Cut Tape $26.33 $20.89 $19.33 $18.03 View Reel $16.52 $18.02 $16.89 $16.52 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: $29.76 720Expected 22/2/2027	Mfr. Part No. STM32F217ZGT6 Mouser Part No 511-STM32F217ZGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	720Expected 22/2/2027	$29.76 $23.57 $21.87 $21.12 $18.81	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: $9.56 1,428On Order	Mfr. Part No. STM32L151C8T6A Mouser Part No 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	$9.56 $7.33 $6.43 $6.07 View $5.77 $5.37 $5.25 $5.15 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: $12.02 1,987Expected 26/2/2027	Mfr. Part No. STM32L151CCT6 Mouser Part No 511-STM32L151CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,987Expected 26/2/2027	$12.02 $9.21 $8.19 $7.68 View $7.34 $7.26	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: $12.12 1,920Expected 5/3/2027	Mfr. Part No. STM32L151RCT6 Mouser Part No 511-STM32L151RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,920Expected 5/3/2027	$12.12 $9.21 $8.49 $7.60 View $7.43 $6.98	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: $15.52 1,907Expected 23/2/2027	Mfr. Part No. STM32L151RET6 Mouser Part No 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 23/2/2027	$15.52 $12.08 $11.45 $10.80 View $10.57 $9.85 $9.74	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: $15.79 1,673Expected 23/2/2027	Mfr. Part No. STM32L151RET6TR Mouser Part No 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 23/2/2027	Cut Tape $15.79 $12.28 $11.37 $10.30 View Reel $9.18 $10.10 $9.41 $9.18 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: $11.12 947Expected 22/2/2027	Mfr. Part No. STM32L152R8T6A Mouser Part No 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 22/2/2027	$11.12 $7.78 $7.41 $6.45 View $6.15 $5.73	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit