ARM Cortex M3 Core ARM Microcontrollers - MCU

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Description Datasheet Availability Pricing (PLN) Filter the results in the table by unit price based on your quantity.
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Program Memory Size
Data Bus Width
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Supply Voltage - Max
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NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
734In Stock
Min.: 1
Mult.: 1

LPC1700 SMD/SMT ARM Cortex M3 512 kB 32 bit 12 bit 120 MHz 165 I/O 96 kB 3.3 V 3.3 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 MCU; 1 MB flash and 136 kB SRAM; Ethernet, two High-speed USB, EMC, AES engine
Datasheet
259In Stock
Min.: 1
Mult.: 1

LPC18Sxx SMD/SMT TFBGA-100 ARM Cortex M3 1 MB 32 bit 10 bit 180 MHz 49 I/O 136 kB 2.4 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 64kb Ultralow Power
Datasheet
168In Stock
Min.: 1
Mult.: 1

STM32L151R8 SMD/SMT ARM Cortex M3 64 kB 32 bit 12 bit 32 MHz 51 I/O 10 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Low Power MCU
Datasheet
965In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

STM32L151RB ARM Cortex M3 32 bit 1.65 V 3.6 V Reel, Cut Tape, MouseReel
Toshiba ARM Microcontrollers - MCU MICROCONTROLLER 30In Stock
Min.: 1
Mult.: 1

TMPM362F10FG SMD/SMT LQFP-144 ARM Cortex M3 1 MB 32 bit 10 bit 64 MHz 120 I/O 64 kB 2.7 V 3.6 V 0 C + 70 C Tray
Texas Instruments ARM Microcontrollers - MCU Stellaris Cortex-M3 Fury 32-Bit ARM
Datasheet
386In Stock
Min.: 1
Mult.: 1

LM3S1968 SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 10 bit 50 MHz 52 I/O 64 kB 2.25 V 2.75 V - 40 C + 85 C Tray
Texas Instruments ARM Microcontrollers - MCU STELLARIS ARM S817
Datasheet
136In Stock
Min.: 1
Mult.: 1

LM3S817 SMD/SMT LQFP-48 ARM Cortex M3 64 kB 32 bit 10 bit 50 MHz 30 I/O 8 kB 3 V 3.6 V - 40 C + 85 C Bulk
Texas Instruments ARM Microcontrollers - MCU Stellaris Cortex-M3 10/100 MAC PHY CAN
Datasheet
104In Stock
Min.: 1
Mult.: 1

LM3S8970 SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit No ADC 50 MHz 46 I/O 64 kB 2.25 V 2.75 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Grn,IT,MRL A
Datasheet
243In Stock
Min.: 1
Mult.: 1

SAM3N SMD/SMT LQFP-100 ARM Cortex M3 32 kB 32 bit 10 bit 48 MHz 79 I/O 8 kB 1.8 V 3.6 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL B
Datasheet
168In Stock
Min.: 1
Mult.: 1

SAM3S SMD/SMT QFP-48 ARM Cortex M3 64 kB 32 bit 12 bit 64 MHz 34 I/O 16 kB 1.62 V 1.9 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A
Datasheet
27In Stock
Min.: 1
Mult.: 1

SAM3S SMD/SMT QFP-64 ARM Cortex M3 512 kB 32 bit 12 bit 64 MHz 47 I/O 64 kB 1.62 V 1.9 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A
Datasheet
13In Stock
Min.: 1
Mult.: 1

SAM3S SMD/SMT QFP-100 ARM Cortex M3 512 kB 32 bit 12 bit 64 MHz 79 I/O 64 kB 1.62 V 1.9 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A
Datasheet
5In Stock
Min.: 1
Mult.: 1

SAM3S SMD/SMT QFP-64 ARM Cortex M3 512 kB 32 bit 12 bit 64 MHz 47 I/O 64 kB 1.62 V 1.9 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3
Datasheet
57In Stock
Min.: 1
Mult.: 1

SAM3U SMD/SMT LQFP-144 ARM Cortex M3 128 kB 32 bit 12 bit 96 MHz 96 I/O 36 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M
Datasheet
4In Stock
Min.: 1
Mult.: 1

SAM3U SMD/SMT LFBGA-144 ARM Cortex M3 128 kB 32 bit 12 bit 96 MHz 96 I/O 36 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Datasheet
178In Stock
Min.: 1
Mult.: 1

SAM3U SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 96 MHz 57 I/O 52 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
132In Stock
3 000Expected 10/23/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

SMD/SMT QFN-32 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 24 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x40 LCD, AES
Datasheet
24In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 86 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
22In Stock
Min.: 1
Mult.: 1
: 1 000

EFM32GG SMD/SMT LQFP-100 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 85 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x18 LCD, AES
Datasheet
322In Stock
Min.: 1
Mult.: 1

EFM32GG SMD/SMT QFN-64 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 52 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
57In Stock
2 600Expected 8/21/2026
Min.: 1
Mult.: 1

EFM32LG SMD/SMT QFN-64 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 53 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
256In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

EFM32TG SMD/SMT QFN-24 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 17 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU
Datasheet
78In Stock
Min.: 1
Mult.: 1

EFM32JG SMD/SMT QFN-32 ARM Cortex M3 128 kB 32 bit 12 bit 40 MHz 24 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU
Datasheet
18In Stock
Min.: 1
Mult.: 1

SIM3L167 SMD/SMT TQFP-80 ARM Cortex M3 256 kB 32 bit 10 bit, 12 bit 50 MHz 62 I/O 32 kB 1.25 V 3.8 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Entry-level 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
496In Stock
Min.: 1
Mult.: 1

LPC1300 SMD/SMT LQFP-48 ARM Cortex M3 32 kB 32 bit 10 bit 72 MHz 42 I/O 8 kB 2 V 3.6 V - 40 C + 85 C Tray