ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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NXP Semiconductors ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package
Datasheet
1,413In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M3 32 bit 100 MHz 256 kB 64 kB 12 bit 70 I/O 3.3 V 3.3 V + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, no CAN, LQFP100 package
Datasheet
900In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 100 MHz 512 kB 64 kB 12 bit 70 I/O 2.4 V 3.6 V + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
437In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M3 32 bit 120 MHz 512 kB 96 kB 12 bit 165 I/O 3.3 V 3.3 V + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
250In Stock
Min.: 1
Mult.: 1

SMD/SMT TFBGA-180 ARM Cortex M3 32 bit 120 MHz 512 kB 96 kB 12 bit 141 I/O 2.4 V 3.6 V + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
734In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M3 32 bit 120 MHz 512 kB 96 kB 12 bit 165 I/O 3.3 V 3.3 V + 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

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

SMD/SMT ARM Cortex M3 32 bit 32 MHz 64 kB 10 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Low Power MCU
Datasheet
65In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

ARM Cortex M3 32 bit 1.65 V 3.6 V Reel, Cut Tape, MouseReel
Infineon Technologies RF Microcontrollers - MCU BTBLE IOT DM
Datasheet
257In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-64 ARM Cortex M3 32 bit 24 MHz 320 kB 60 kB 16 bit 40 I/O 1.2 V 1.2 V + 70 C Tray
Infineon Technologies RF Microcontrollers - MCU Bluetooth BLE and IEEE 802.15.4
Datasheet
484In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 ARM Cortex M3 32 bit 24 MHz 320 kB 60 kB 16 bit 22 I/O 1.2 V 1.2 V + 70 C Tray
Toshiba ARM Microcontrollers - MCU MICROCONTROLLER 30In Stock
Min.: 1
Mult.: 1

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

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

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 50 MHz 64 kB 8 kB 10 bit 30 I/O 3 V 3.6 V + 85 C Bulk
Microchip Technology ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL B
Datasheet
168In Stock
Min.: 1
Mult.: 1

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

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

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

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

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

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

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB 12 bit 57 I/O 1.62 V 1.95 V + 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 32 bit 32 MHz 128 kB 16 kB 12 bit 24 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
225In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 53 I/O 1.98 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

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

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