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All Products > Semiconductors > Integrated Circuits - ICs > Embedded Processors & Controllers > Microcontrollers - MCU
Microcontrollers (MCUs) are available at Mouser Electronics from industry leading microcontroller manufacturers. Mouser is an authorized distributor for Atmel, Freescale, Microchip, NXP, Silicon Labs, STMicroelectronics, Texas Instruments & many more. View our wide selection of microcontrollers below. View our Newest Microcontrollers page.
Category   Semiconductors >  Integrated Circuits - ICs >  Embedded Processors & Controllers >  Microcontrollers - MCU

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
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Atmel ATmega16-16AU
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Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 32 I/O Pins
Page 218

Data Sheet
3,640
In Stock
Alternative Packaging
1: $7.11
10: $6.40
25: $5.83
50: $5.69
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1 kB Yes + 85 C SMD/SMT TQFP-44
Atmel 8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB
This product may require additional documentation to export from the United States.
Page 220

Data Sheet
5,261
In Stock
Alternative Packaging
1: $7.33
10: $6.60
25: $6.01
50: $5.86
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB Yes + 85 C SMD/SMT QFN-64
Atmel ATXMEGA256A3U-AU
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Atmel 8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB
This product may require additional documentation to export from the United States.
Page 220

Data Sheet
5,373
In Stock
1: $7.33
10: $6.60
25: $6.01
50: $5.86
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB Yes + 85 C SMD/SMT TQFP-64
Atmel ATMEGA324P-20AU
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Atmel 8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V
Page 219

Data Sheet
4,528
In Stock
Alternative Packaging
1: $7.45
10: $6.70
25: $6.11
50: $5.96
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB Yes + 85 C SMD/SMT TQFP-44
Microchip Technology PIC18F4680-I/PT
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Microchip Technology 8-bit Microcontrollers - MCU 64KB 3328 RAM w/ECAN
Page 254

Data Sheet
5,097
In Stock
More Info Available
Alternative Packaging
1: $7.58
10: $6.32
25: $6.17
100: $6.02



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 64 kB 3328 B Yes + 85 C SMD/SMT TQFP-44
Atmel ATXMEGA256A3BU-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB
This product may require additional documentation to export from the United States.
Page 220

Data Sheet
3,058
In Stock
1: $7.69
10: $6.93
25: $6.31
50: $6.16
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB Yes + 85 C SMD/SMT TQFP-64
Silicon Labs C8051F340-GQ Silicon Labs 8-bit Microcontrollers - MCU 48 MIPS 64KB 10ADC
Page 264

Data Sheet
4,392
In Stock
Alternative Packaging
1: $7.71
25: $7.44
100: $7.18
1,000: $6.56



Min.: 1
Mult.: 1
8051 8 bit 48 MHz 64 kB 4352 B Yes + 85 C SMD/SMT TQFP-48
Atmel AT89C51RB2-RLTUM
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Atmel 8-bit Microcontrollers - MCU 16kB Flash 1280B RAM 2.7V-5.5V
Page 217

Data Sheet
3,575
In Stock
1: $7.95
10: $7.15
25: $6.52
50: $6.36
100: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 16 kB 1280 B No + 85 C SMD/SMT VQFP-44
Texas Instruments MSP430F5528IRGCT
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595-MSP430F5528IRGCT


To purchase full reel, order in multiples of 250:
Texas Instruments 16-bit Microcontrollers - MCU 16B Ultra-Low-Pwr Microcontroller
Data Sheet 3,448
In Stock
Alternative Packaging
Cut Tape
1: $7.98
10: $7.18
25: $6.74
50: $6.55
Reel
250: $5.43
500: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 250
MSP430 16 bit 25 MHz 128 kB 8 kB + 85 C SMD/SMT VQFN-64
STMicroelectronics STM32F103RCT6
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STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN
Data Sheet 3,866
In Stock
Alternative Packaging
1: $8.19
10: $7.38
25: $6.71
100: $6.06
250: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 72 MHz 256 kB 48 kB + 85 C SMD/SMT LQFP-64
Microchip Technology PIC18F6520-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB 2048 RAM 52I/O
Page 253

Data Sheet
2,529
In Stock
Alternative Packaging
1: $8.27
10: $6.89
25: $6.71
100: $6.52



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 2048 B Yes + 85 C SMD/SMT TQFP-64
Atmel ATMEGA1284P-MU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Page 219

Data Sheet
2,902
In Stock
Alternative Packaging
1: $8.48
10: $7.63
25: $6.95
50: $6.78
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 128 kB 16 kB Yes + 85 C SMD/SMT VQFN-44
Atmel ATMEGA644P-20AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Page 219

Data Sheet
3,262
In Stock
Alternative Packaging
1: $8.54
10: $7.68
25: $7.00
50: $6.83
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 64 kB 4 kB Yes + 85 C SMD/SMT TQFP-44
Atmel ATSAM3U4CA-AU
 Enlarge
Atmel ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
4,155
In Stock
1: $8.91
10: $8.02
25: $7.31
50: $7.13
100: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB + 85 C SMD/SMT LQFP-100
STMicroelectronics STM32F205RCT6
 Enlarge
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Page 269

Data Sheet
2,823
In Stock
Alternative Packaging
1: $9.01
10: $8.12
25: $7.39
100: $6.66
250: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB + 85 C SMD/SMT LQFP-64
Atmel AT89C5131A-S3SUM
 Enlarge
Atmel 8-bit Microcontrollers - MCU 32K Flash USB Ind 5V
Page 217

Data Sheet
2,829
In Stock
1: $9.08
10: $8.18
25: $7.45
50: $7.27
100: View



Min.: 1
Mult.: 1
80C51 8 bit 48 MHz 1280 B 1.25 kB No + 85 C SMD/SMT PLCC-52
Atmel ATmega128A-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins
Page 219

Data Sheet
4,094
In Stock
Alternative Packaging
1: $9.75
10: $8.77
25: $7.99
50: $7.80
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 128 kB 4 kB Yes + 85 C SMD/SMT TQFP-64
Microchip Technology PIC18F6722-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU FLASH MICROCONTROLLER
Page 254

Data Sheet
1,787
In Stock
More Info Available
Alternative Packaging
1: $9.88
10: $8.23
25: $8.04
100: $7.84



Min.: 1
Mult.: 1
PIC 8 bit 8 MHz 128 kB 4 kB Yes + 85 C SMD/SMT TQFP-64
Silicon Labs C8051F041-GQ
 Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 64KB 12ADC CAN 64P MCU
Page 264

Data Sheet
2,017
In Stock
Alternative Packaging
1: $9.98
25: $9.63
100: $9.29
1,000: $8.65



Min.: 1
Mult.: 1
8051 8 bit 25 MHz 64 kB 4.25 kB Yes + 85 C SMD/SMT TQFP-64
Atmel AT89C51RC2-3CSUM
 Enlarge
Atmel 8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
Page 217

Data Sheet
3,808
In Stock
1: $9.99
10: $8.99
25: $8.20
50: $7.99
100: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 32 kB 1280 B No + 85 C Through Hole PDIL-40
Microchip Technology PIC18F8722-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 128 KB FL 4K RAM 70 I/O
Page 254

Data Sheet
3,668
In Stock
Alternative Packaging
1: $10.49
10: $8.74
25: $8.53
100: $8.32



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 128 kB 4 kB Yes + 125 C SMD/SMT TQFP-80
Microchip Technology PIC32MX795F512H-80I/PT
 Enlarge
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash 128KB USB ENET
Data Sheet 1,940
In Stock
Alternative Packaging
1: $10.50
10: $8.75
25: $8.02
100: $7.26



Min.: 1
Mult.: 1
MIPS32 M4K 32 bit 80 MHz 512 kB 128 kB + 85 C TQFP-64
Atmel ATSAM3U4EA-AU
 Enlarge
Atmel ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
2,985
In Stock
1: $10.78
10: $9.71
25: $8.84
50: $8.63
100: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB + 85 C SMD/SMT LQFP-144
Microchip Technology PIC18F6722-E/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 128 KB FL 3936 RAM 25 MHz
Data Sheet 1,490
In Stock
Alternative Packaging
1: $10.87
10: $9.06
25: $8.84
100: $8.62



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 128 kB 3936 B Yes + 125 C SMD/SMT TQFP-64
Atmel AT89C51ED2-RLTUM
 Enlarge
Atmel 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Page 217

Data Sheet
4,455
In Stock
1: $10.90
10: $9.81
25: $8.94
50: $8.72
100: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 64 kB 2 kB No + 85 C SMD/SMT VQFP-44
Compare up to 20 parts.
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