ARM Cortex M3 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Package/Case
Core
Number of I/Os
Data Bus Width
ADC Resolution
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB
Datasheet
83In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
141In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 82 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
55In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 114 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz C
Datasheet
170In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
241In Stock
1,560Expected 22/1/2027
Min.: 1
Mult.: 1

SMD/SMT UFQPFN-48 ARM Cortex M3 37 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz
Datasheet
33In Stock
4,500On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 37 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
69In Stock
960Expected 1/10/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
14In Stock
2,000Expected 22/3/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
320In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 83 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, LCD, USB
Datasheet
163In Stock
3,120Expected 6/8/2026
Min.: 1
Mult.: 1

SMD/SMT UFQPFN-48 ARM Cortex M3 37 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU
Datasheet
80In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU STM32L16 Low Power M3 384kB 32MHz MCU
Datasheet
31In Stock
960Expected 28/6/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU STM32L16 Low Power M3 384kB 32MHz MCU
Datasheet
17In Stock
360Expected 28/12/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 115 I/O 32 bit 12 bit
Microchip Technology ARM Microcontrollers - MCU LQFP, Grn, IT, MRL a
Datasheet
126In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 34 I/O 32 bit 10 bit
Microchip Technology ARM Microcontrollers - MCU LQFP, Grn, IT, MRL B
Datasheet
109In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 32 I/O 32 bit 10 bit
Microchip Technology ARM Microcontrollers - MCU MRL A 128K Flash 32K SRAM Ind Temp
Datasheet
254In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-64 ARM Cortex M3 47 I/O 32 bit 12 bit

Microchip Technology ARM Microcontrollers - MCU MRL A 128K Flash 32K SRAM Ind Temp
Datasheet
146In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 47 I/O 32 bit 12 bit
Microchip Technology ARM Microcontrollers - MCU MRL A 128K Flash 32K SRAM Ind Temp
Datasheet
1In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-100 ARM Cortex M3 79 I/O 32 bit 12 bit
Microchip Technology ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp
Datasheet
12In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-100 ARM Cortex M3 79 I/O 32 bit 12 bit
Analog Devices ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC
Datasheet
1In Stock
Min.: 1
Mult.: 1

SMD/SMT LFCSP-64 ARM Cortex M3 44 I/O 32 bit 12 bit
Analog Devices ARM Microcontrollers - MCU Cortex M3 + 16K/128K + Dual 24bit SD AFE
Datasheet
28In Stock
Min.: 1
Mult.: 1

SMD/SMT LFCSP-48 ARM Cortex M3 19 I/O 32 bit 24 bit
Analog Devices ARM Microcontrollers - MCU Cortex M3 +16K/128K +Single 24bit SD AFE
Datasheet
42In Stock
Min.: 1
Mult.: 1

SMD/SMT LFCSP-48 ARM Cortex M3 19 I/O 32 bit 24 bit
Texas Instruments ARM Microcontrollers - MCU 16/32B RISC Fl MCU A 595-S4MF03107SPZQQ1 A 595-S4MF03107SPZQQ1R
Datasheet
6In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 49 I/O 32 bit/16 bit 10 bit
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
106In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-112 ARM Cortex M3 90 I/O 32 bit 12 bit
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
Datasheet
106In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 78 I/O 32 bit 2 x 12 bit