ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU

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Results: 1,365
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS Mounting Style Package/Case Core Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size ADC Resolution Number of I/Os Supply Voltage - Min Supply Voltage - Max Maximum Operating Temperature Qualification Packaging
Toshiba ARM Microcontrollers - MCU MICROCONTROLLER 30In Stock
£7.95
£6.59
£5.84
£5.36
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 ARM CORTEX-M3(IND) M ICROCONTROLLER 130In Stock
£14.37
£11.43
£10.25
£9.88
Min.: 1
Mult.: 1
SMD/SMT LQFP-48 ARM Cortex M3 32 bit 50 MHz 64 kB 8 kB 10 bit 32 I/O 3 V 3.6 V + 85 C Tray
Texas Instruments ARM Microcontrollers - MCU Stellaris Cortex-M3 10/100 MAC PHY CAN 74In Stock
£47.81
£39.77
£39.42
£33.99
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 50 MHz 256 kB 64 kB No ADC 46 I/O 2.25 V 2.75 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL B 103In Stock
250Expected 12/11/2026
£2.83
£2.57
£2.33
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 8In Stock
£6.15
£5.60
£5.08
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 5In Stock
£6.40
£5.82
£5.26
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 80In Stock
£6.77
£6.54
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 128K Flash, 36K SRAM 32-bit ARM Cortex M3 57In Stock
£6.06
£5.51
£4.99
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
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES 28In Stock
3,000Expected 17/11/2026
Cut Tape
£5.10
£3.97
£3.55
£3.28
£3.25
Reel
£2.88
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 1024k Flash, 128k RAM, AES 22In Stock
Cut Tape
£14.64
£11.60
£10.84
£10.00
Reel
£9.37
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

Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES 1,363In Stock
Cut Tape
£11.38
£8.91
£8.29
£7.61
Reel
£6.57
Min.: 1
Mult.: 1
: 3,000
SMD/SMT QFN-64 ARM Cortex M3 32 bit 48 MHz 512 kB 128 kB 12 bit 52 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape, MouseReel

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU 947In Stock
£3.45
£2.72
£2.51
£2.11
Min.: 1
Mult.: 1
SMD/SMT QFN-48 ARM Cortex M3 32 bit 40 MHz 128 kB 32 kB 12 bit 32 I/O 1.85 V 3.8 V + 85 C Tray
Analog Devices ARM Microcontrollers - MCU 16-bit, Low Power Sensor Micro
342In Stock
£21.97
£17.19
£16.42
£14.48
Min.: 1
Mult.: 1
SMD/SMT LGA-72 ARM Cortex M3 32 bit 26 MHz 128 kB 64 kB 16 bit 17 I/O 2.8 V 3.6 V + 85 C Tray
Analog Devices ARM Microcontrollers - MCU Cortex M3 MCU + Single 24bit S-D AFE
418In Stock
£13.64
£11.02
£10.56
£9.31
Min.: 1
Mult.: 1
SMD/SMT LFCSP-48 ARM Cortex M3 32 bit 16 MHz 128 kB 8 kB 24 bit 19 I/O 1.8 V 3.6 V + 125 C Tray
Analog Devices ARM Microcontrollers - MCU Cortex M3 + 16K/128K + Dual 24bit SD AFE
21In Stock
£19.76
£18.11
£14.34
£14.06
Min.: 1
Mult.: 1
SMD/SMT LFCSP-48 ARM Cortex M3 32 bit 16 MHz 128 kB 16 kB 24 bit 19 I/O 1.8 V 3.6 V + 125 C Tray
Analog Devices ARM Microcontrollers - MCU Cortex M3 +16K/128K +Single 24bit SD AFE
42In Stock
£16.05
£13.33
£12.84
£11.34
Min.: 1
Mult.: 1
SMD/SMT LFCSP-48 ARM Cortex M3 32 bit 16 MHz 128 kB 16 kB 24 bit 19 I/O 1.8 V 3.6 V + 125 C Tray
Analog Devices ARM Microcontrollers - MCU Cortex M3 MCU + Dual 24bit S-D AFE
761In Stock
2,250On Order
Cut Tape
£20.19
£15.79
£15.09
£13.71
Reel
£12.68
Min.: 1
Mult.: 1
: 750
SMD/SMT LFCSP-48 ARM Cortex M3 32 bit 20 MHz 128 kB 8 kB 24 bit 19 I/O 1.8 V 3.6 V + 125 C Reel, Cut Tape, MouseReel
Infineon Technologies ARM Microcontrollers - MCU EMBEDDED_POWER 57In Stock
Cut Tape
£7.71
£5.96
£5.68
£4.93
Reel
£3.99
Min.: 1
Mult.: 1
: 2,500
SMD/SMT TQFP-48 ARM Cortex M3 32 bit 60 MHz 144 kB 144 kB 8 I/O 5.5 V 28 V + 175 C Reel, Cut Tape

Silicon Labs ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES 190In Stock
£4.98
£3.82
£3.52
£3.20
Min.: 1
Mult.: 1
SMD/SMT QFN-64 ARM Cortex M3 32 bit 32 MHz 64 kB 16 kB 12 bit 56 I/O 1.98 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES 225In Stock
£5.73
£4.50
£4.14
£4.02
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 Non-Stocked Lead-Time 12 Weeks
£6.66
£5.16
£4.78
£4.37
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, 4x22 LCD, AES 32In Stock
£6.51
£5.05
£4.68
£4.28
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, 4x40 LCD, AES 24In Stock
£7.09
£5.51
£5.12
£4.69
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 512k Flash, 128k RAM, USB, AES 35In Stock
£12.76
£10.00
£9.31
£8.55
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 48 MHz 512 kB 128 kB 12 bit 81 I/O 1.98 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES 44In Stock
£15.56
£12.33
£11.52
£10.64
Min.: 1
Mult.: 1
SMD/SMT BGA-112 ARM Cortex M3 32 bit 48 MHz 1.02 MB 128 kB 12 bit 86 I/O 1.98 V 3.8 V + 85 C Tray