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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.	RoHS	Mounting Style	Package / Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152C8T6A STMicroelectronics 1: $9.52 342In Stock 1,500Expected 2027-02-22	Mfr. Part # STM32L152C8T6A Mouser Part # 511-STM32L152C8T6A	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	342In Stock 1,500Expected 2027-02-22	$9.52 $7.29 $6.39 $6.12 View $5.83 $5.77 $5.33 $5.24 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152RBT6A STMicroelectronics 1: $12.51 34In Stock 27,840On Order	Mfr. Part # STM32L152RBT6A Mouser Part # 511-STM32L152RBT6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	34In Stock 27,840On Order	$12.51 $9.27 $8.84 $8.11 View $7.92 $7.16 $7.08 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU STM32L152RDT6 STMicroelectronics 1: $15.96 26In Stock	Mfr. Part # STM32L152RDT6 Mouser Part # 511-STM32L152RDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	26In Stock	$15.96 $13.06 $11.94 $10.79 View $10.44 $9.01	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU STM32L152ZDT6 STMicroelectronics 1: $21.36 56In Stock	Mfr. Part # STM32L152ZDT6 Mouser Part # 511-STM32L152ZDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	56In Stock	$21.36 $16.80 $14.83 $14.28 View $14.13 $12.57 $12.46 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-144	ARM Cortex M3	115 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32L16 Low Power M3 384kB 32MHz MCU STM32L162RDT6 STMicroelectronics 1: $16.21 41In Stock 960Expected 2027-02-22	Mfr. Part # STM32L162RDT6 Mouser Part # 511-STM32L162RDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L16 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	41In Stock 960Expected 2027-02-22	$16.21 $12.61 $11.65 $10.45 View $10.20 $10.18	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU LQFP, Green, IND TEMP, MRL A ATSAM3N00BA-AU Microchip Technology 1: $5.17 342In Stock	Mfr. Part # ATSAM3N00BA-AU Mouser Part # 556-ATSAM3N00BA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP, Green, IND TEMP, MRL A Learn More about Microchip Technology microchip sam3n mcu	Datasheet	342In Stock	$5.17 $4.71 $4.26	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M3	47 I/O	32 bit	10 bit
ARM Microcontrollers - MCU MRL A 128K Flash 32K SRAM Ind Temp ATSAM3S2BA-AU Microchip Technology 1: $7.57 31In Stock 160On Order	Mfr. Part # ATSAM3S2BA-AU Mouser Part # 556-ATSAM3S2BA-AU	Microchip Technology	ARM Microcontrollers - MCU MRL A 128K Flash 32K SRAM Ind Temp Learn More about Microchip Technology microchip sam3s mcu	Datasheet	31In Stock 160On Order	$7.57 $6.87 $6.22	Min.: 1 Mult.: 1		SMD/SMT	QFP-64	ARM Cortex M3	47 I/O	32 bit	12 bit
ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp ATSAM3S4AA-AU Microchip Technology 1: $8.93 26In Stock	Mfr. Part # ATSAM3S4AA-AU Mouser Part # 556-ATSAM3S4AA-AU	Microchip Technology	ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp Learn More about Microchip Technology microchip sam3s mcu	Datasheet	26In Stock	$8.93 $8.11 $7.33	Min.: 1 Mult.: 1		SMD/SMT	QFP-48	ARM Cortex M3	34 I/O	32 bit	12 bit
ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp ATSAM3S4CA-AU Microchip Technology 1: $9.98 10In Stock	Mfr. Part # ATSAM3S4CA-AU Mouser Part # 556-ATSAM3S4CA-AU	Microchip Technology	ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp Learn More about Microchip Technology microchip sam3s mcu	Datasheet	10In Stock	$9.98 $9.04 $8.21	Min.: 1 Mult.: 1		SMD/SMT	QFP-100	ARM Cortex M3	79 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 ATSAM3U4CA-AU Microchip Technology 1: $10.97 81In Stock 180Expected 2027-02-25	Mfr. Part # ATSAM3U4CA-AU Mouser Part # 556-ATSAM3U4CA-AU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	81In Stock 180Expected 2027-02-25	$10.97 $9.98 $9.03	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3	57 I/O	32 bit	12 bit
ARM Microcontrollers - MCU MM-LEGACY MM CY9BF524KPMC-G-MNE2 Infineon Technologies 1: $11.32 264In Stock	Mfr. Part # CY9BF524KPMC-G-MNE2 Mouser Part # 727-C9BF524KPMCGMNE2	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY MM	Datasheet	264In Stock	$11.32 $8.73 $7.68 $7.36 View $7.01 $6.68 $6.62 $6.44 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-48	ARM Cortex M3	35 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 LPC1519JBD64E NXP Semiconductors 1: $18.32 35In Stock	Mfr. Part # LPC1519JBD64E Mouser Part # 771-LPC1519JBD64E	NXP Semiconductors	ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1500 series	Datasheet	35In Stock	$18.32 $14.16 $13.16 $11.94 View $11.65 $11.26 $10.38 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M3	46 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1758FBD80K NXP Semiconductors 1: $25.24 107In Stock 595Expected 2027-04-12	Mfr. Part # LPC1758FBD80K Mouser Part # 771-LPC1758FBD80K	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	107In Stock 595Expected 2027-04-12	$25.24 $19.18 $18.39 $16.20 View $15.41 $14.90	Min.: 1 Mult.: 1		SMD/SMT		ARM Cortex M3	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1758FBD80Y NXP Semiconductors 1: $23.16 84In Stock 2,000On Order	Mfr. Part # LPC1758FBD80Y Mouser Part # 771-LPC1758FBD80Y	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	84In Stock 2,000On Order On Order Ship Dates Mfr. #: LPC1758FBD80Y Stock: 84 Can Ship Immediately On Order: 1,000 Expected 2026-12-21 1,000 Expected 2027-04-12 Factory Lead-Time: 39 Weeks	Cut Tape $23.16 $18.30 $16.36 $15.77 $15.06 Reel $14.01 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	LQFP-80	ARM Cortex M3	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, TFBGA100 package LPC1765FET100K NXP Semiconductors 1: $24.49 247In Stock	Mfr. Part # LPC1765FET100K Mouser Part # 771-LPC1765FET100K	NXP Semiconductors	ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, TFBGA100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	247In Stock	$24.49 $18.60 $17.83 $15.71 View $14.95 $14.44 $13.98 Quote	Min.: 1 Mult.: 1		SMD/SMT	TFBGA-100	ARM Cortex M3	70 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1777FBD208,551 NXP Semiconductors 1: $33.72 5In Stock	Mfr. Part # LPC1777FBD208,551 Mouser Part # 771-LPC1777FBD208551	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	5In Stock	$33.72 $30.56 $23.79 $22.09 View $21.54 $20.13 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-208	ARM Cortex M3	165 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 512kB flash, 96kB SRAM, USB, LCD, LQFP208 package LPC1787FBD208,551 NXP Semiconductors 1: $34.46 84In Stock	Mfr. Part # LPC1787FBD208,551 Mouser Part # 771-LPC1787FBD208551	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 96kB SRAM, USB, LCD, LQFP208 package Learn More about NXP Semiconductors nxplpc1778lpc1788	Datasheet	84In Stock	$34.46 $30.99 $24.42 $23.17 View $22.71 $21.95 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-208	ARM Cortex M3	165 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1830FET180,551 NXP Semiconductors 1: $23.31 143In Stock	Mfr. Part # LPC1830FET180,551 Mouser Part # 771-LPC1830FET180551	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	143In Stock	$23.31 $17.71 $16.98 $14.96 View $14.23 $13.75 $13.32 Quote	Min.: 1 Mult.: 1		SMD/SMT	TFBGA-180	ARM Cortex M3	118 I/O	32 bit	10 bit
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1833JBD144E NXP Semiconductors 1: $32.88 3In Stock	Mfr. Part # LPC1833JBD144E Mouser Part # 771-LPC1833JBD144E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	3In Stock	$32.88 $26.57 $25.47 $22.44	Min.: 1 Mult.: 1		SMD/SMT	LQFP-144	ARM Cortex M3	83 I/O	32 bit	2 x 10 bit
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1833JET100E NXP Semiconductors 1: $26.29 11In Stock 780On Order	Mfr. Part # LPC1833JET100E Mouser Part # 771-LPC1833JET100E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	11In Stock 780On Order On Order Ship Dates Mfr. #: LPC1833JET100E Stock: 11 Can Ship Immediately On Order: 260 Expected 2026-11-30 520 Expected 2026-12-30 Factory Lead-Time: 39 Weeks	$26.29 $22.20 $20.35 $18.72 View $18.07 $17.18	Min.: 1 Mult.: 1		SMD/SMT	TFBGA-100	ARM Cortex M3	49 I/O	32 bit	2 x 10 bit
ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 flashless MCU with security features; 136 kB SRAM; EMC LPC18S10FBD144E NXP Semiconductors 1: $21.23 60In Stock	Mfr. Part # LPC18S10FBD144E Mouser Part # 771-LPC18S10FBD144E	NXP Semiconductors	ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 flashless MCU with security features; 136 kB SRAM; EMC Learn More about NXP Semiconductors nxp lpc18sx mcu	Datasheet	60In Stock	$21.23 $17.99 $17.24 $13.64 View $13.28 $12.82 $12.59 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-144	ARM Cortex M3	83 I/O	32 bit	10 bit
SoC FPGA SmartFusion FPGA, 2KLEs A2F200M3F-1CS288I Microchip Technology 1: $79.32 125In Stock	Mfr. Part # A2F200M3F-1CS288I Mouser Part # 494-A2F200M3F1CS288I	Microchip Technology	SoC FPGA SmartFusion FPGA, 2KLEs	Datasheet	125In Stock	$79.32 $78.18 $75.96 Quote Quote	Min.: 1 Mult.: 1	No			ARM Cortex M3
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F100RCT6TR STMicroelectronics 1: $13.32 121In Stock NRND	Mfr. Part # STM32F100RCT6TR Mouser Part # 511-STM32F100RCT6TR NRND	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	121In Stock	Cut Tape $13.32 $9.99 $9.53 $8.28 Reel $6.88 View $7.98 $7.49 $6.77 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 32-Bit ARM Cortex 32kb Low Power MCU STM32L151C6T6 STMicroelectronics 1: $10.73 311In Stock NRND	Mfr. Part # STM32L151C6T6 Mouser Part # 511-STM32L151C6T6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb Low Power MCU Learn More about STMicroelectronics stm32l1	Datasheet	311In Stock	$10.73 $8.02 $7.30 $6.64 View $6.32 $5.86 $5.79	Min.: 1 Mult.: 1		SMD/SMT		ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 64kb Ultralow Power STM32L151R8T6 STMicroelectronics 1: $11.81 108In Stock NRND	Mfr. Part # STM32L151R8T6 Mouser Part # 511-STM32L151R8T6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 64kb Ultralow Power Learn More about STMicroelectronics stm32l1	Datasheet	108In Stock	$11.81 $8.81 $8.18 $7.40 View $7.24 $6.90 $6.80 Quote	Min.: 1 Mult.: 1		SMD/SMT		ARM Cortex M3	51 I/O	32 bit	12 bit