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 (HKD) 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
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 12,085In Stock
HK$70.28
HK$56.39
HK$53.02
HK$48.99
Min.: 1
Mult.: 1
SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 15,199In Stock
HK$77.76
HK$63.13
HK$58.94
HK$54.91
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 1 Mb 3,972In Stock
HK$114.42
HK$94.45
HK$88.12
HK$83.60
Min.: 1
Mult.: 1
SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 1 MB 128 kB 12 bit 51 I/O 1.8 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp 4,114In Stock
HK$52.61
HK$42.58
HK$40.11
HK$37.40
Min.: 1
Mult.: 1
SMD/SMT UFQPFN-48 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 37 I/O 1.65 V 3.6 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP 10,582In Stock
HK$118.70
HK$96.34
HK$85.32
HK$82.45
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM 8,732In Stock
Cut Tape
HK$80.39
HK$62.47
HK$55.24
HK$53.02
Reel
HK$42.91
Min.: 1
Mult.: 1
: 1,000
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 100 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp 2,241In Stock
HK$102.59
HK$77.02
HK$70.94
HK$68.55
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 32 MHz 512 kB 80 kB 12 bit 83 I/O 1.65 V 3.6 V + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package 5,650In Stock
HK$118.61
HK$95.02
HK$88.28
HK$84.99
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 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
Microchip Technology ARM Microcontrollers - MCU BGA100,GREEN IND TEMP, MRLA 256In Stock
HK$97.98
HK$89.02
HK$80.64
HK$80.56
Min.: 1
Mult.: 1
SMD/SMT LFBGA-100 ARM Cortex M3 32 bit 84 MHz 512 kB 96 kB 12 bit 63 I/O 1.62 V 1.95 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES 549In Stock
Cut Tape
HK$64.69
HK$51.05
HK$46.94
HK$43.07
HK$41.92
Reel
HK$36.74
Min.: 1
Mult.: 1
: 1,000
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 Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES 2,100In Stock
Cut Tape
HK$137.69
HK$109.49
HK$99.71
HK$93.38
Reel
HK$80.72
Min.: 1
Mult.: 1
: 1,000
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 Reel, Cut Tape
Microchip Technology ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A 334In Stock
HK$88.86
HK$86.56
HK$81.38
HK$81.13
HK$75.54
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 84 MHz 256 kB 64 kB 12 bit 63 I/O 1.62 V 1.95 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL B Non-Stocked Lead-Time 12 Weeks
HK$31.65
HK$29.02
HK$26.22
Min.: 1
Mult.: 1
SMD/SMT QFP-64 ARM Cortex M3 32 bit 64 MHz 64 kB 16 kB 12 bit 47 I/O 1.62 V 1.9 V + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB 2,650In Stock
Cut Tape
HK$81.30
HK$63.21
HK$58.69
HK$53.76
Reel
HK$46.11
Min.: 1
Mult.: 1
: 3,000
SMD/SMT QFN-64 ARM Cortex M3 32 bit 48 MHz 128 kB 32 kB 12 bit 56 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape
Microchip Technology ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA 1,101In Stock
HK$92.48
HK$84.26
HK$83.27
HK$76.20
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 84 MHz 512 kB 64 kB 12 bit 63 I/O 1.62 V 1.95 V + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC 1,674In Stock
HK$44.31
HK$34.85
HK$31.15
HK$29.10
Min.: 1
Mult.: 1
SMD/SMT QFN-32 ARM Cortex M3 32 bit 32 MHz 32 kB 4 kB 12 bit 24 I/O 1.98 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU 982In Stock
HK$81.46
HK$64.94
HK$58.61
HK$55.16
Min.: 1
Mult.: 1
SMD/SMT QFN-48 ARM Cortex M3 32 bit 40 MHz 1.02 MB 256 kB 12 bit 33 I/O 1.8 V 3.8 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP, Grn, IT, MRL B 348In Stock
HK$36.17
HK$32.88
HK$32.80
HK$29.76
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 96 MHz 64 kB 20 kB 12 bit 57 I/O 1.62 V 1.95 V + 85 C Tray
Analog Devices ARM Microcontrollers - MCU Lumentum Part to Reserve Buffer Die
Mouser does not presently sell this product in your region.
SMD/SMT BGA-96 ARM Cortex M3 32 bit 80 MHz 256 kB 32 kB 14 bit 40 I/O 2.9 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
Analog Devices ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE
Mouser does not presently sell this product in your region.
SMD/SMT LFCSP-48 ARM Cortex M3 32 bit 16 MHz 256 kB 24 kB 24 bit 19 I/O 1.8 V 3.6 V + 125 C Tray
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135 698In Stock
Cut Tape
HK$128.64
HK$97.74
HK$93.71
HK$82.61
Reel
HK$70.61
Min.: 1
Mult.: 1
: 2,000
SMD/SMT WLCSP-99 ARM Cortex M3 32 bit 80 MHz 64 kB 16 kB 12 bit 62 I/O 1.71 V 5.5 V + 85 C Reel, Cut Tape
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY MM 280In Stock
HK$155.28
HK$125.44
HK$120.26
HK$105.96
Min.: 1
Mult.: 1
SMD/SMT LQFP-176 ARM Cortex M3 32 bit 144 MHz 1 MB 128 kB 12 bit 154 I/O 2.7 V 5.5 V + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP 253In Stock
520Expected 9/11/2026
HK$121.66
HK$96.01
HK$85.65
HK$82.45
Min.: 1
Mult.: 1
SMD/SMT QFN-68 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 38 I/O 1.71 V 1.89 V + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller based on ARM Cortex-M3 1,319In Stock
4,000Expected 12/4/2027
Cut Tape
HK$127.49
HK$96.91
HK$92.89
HK$81.79
Reel
HK$76.53
Min.: 1
Mult.: 1
: 2,000
SMD/SMT WLCSP-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 Reel, Cut Tape, MouseReel
Infineon Technologies ARM Microcontrollers - MCU PSOC5LP 170In Stock
HK$178.29
HK$144.10
HK$138.10
HK$121.66
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 ARM Cortex M3 32 bit 67 MHz 128 kB 32 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Tray