AVR Microcontrollers

Microcontrollers, also referred to as MCUs (microcontroller units), are embedded semiconductor devices used in circuit board design.

What is an AVR microcontroller, and how does it differ from other types?

  • An AVR microcontroller refers to a specific type of architecture design, initially developed by the Amtel corporation in 1996 and since engineered through numerous stages of improvements, refinements and iterations
  • AVR microcontrollers are very widely used today in all kinds of embedded systems and circuits, having become especially popular in recent years due to their inclusion in many Arduino hardware products, a type of open development platform aimed chiefly at hobbyist and educational applications, robot builders, experimenters and small system developers
  • Other popular uses of AVR microcontrollers include numerous automotive applications, including security, safety, powertrain and in-car entertainment systems, as well as several types of desktop computer and console controllers and other peripherals

Although they can be thought of in very general terms as a sort of miniaturised ‘computer' component embedded as part of a powered integrated circuit (IC), microcontrollers themselves are relatively limited in scope. They're chiefly used to perform repetitive, single-function tasks requiring only limited clock speeds and comparatively low memory speeds to execute.


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Description Price Family Name Package Type Mounting Type Pin Count Device Core Data Bus Width Program Memory Size Maximum Frequency RAM Size USB Channels Number of PWM Units ADC Channels Number of SPI Channels Typical Operating Supply Voltage
RS Stock No. 715-3921
Mfr. Part No.ATTINY5-TSHR
BrandAtmel
£0.28
Each
Units
ATtiny SOT-23 Surface Mount 6 AVR 8bit 512 B 12MHz 32 B - 1 4 0 1.8 → 5.5 V
RS Stock No. 899-6928
Mfr. Part No.ATXMEGA64A3U-AU
BrandMicrochip
£2.82
Each (In a Pack of 2)
Units
ATxmega TQFP Surface Mount 64 AVR 64bit 68 kB 32MHz 4 kB 1 7 16 - 1.6 → 3.6 V
RS Stock No. 696-3070
Mfr. Part No.ATMEGA88PA-MU
BrandMicrochip
£1.15
Each
Units
ATmega MLF Surface Mount 32 AVR 8bit 512 B, 8 kB 20MHz 1 kB 0 3 8 1 1.8 → 5.5 V
RS Stock No. 719-4092
Mfr. Part No.ATTINY44A-PU
BrandMicrochip
£0.88
Each (In a Pack of 2)
Units
ATtiny PDIP Through Hole 14 AVR 8bit 4 kB, 256 B 20MHz 256 B 0 2 20 1 1.8 to 5.5 V
RS Stock No. 696-2428
Mfr. Part No.ATMEGA32A-PU
BrandMicrochip
£2.28
Each
Units
ATmega PDIP Through Hole 40 AVR 8bit 1.024 kB, 32 kB 16MHz 2 kB 0 3 8 1 2.7 to 5.5 V
RS Stock No. 715-3895
Mfr. Part No.ATXMEGA32D4-AU
BrandMicrochip
£1.49
Each
Units
AVR Xmega TQFP Surface Mount 44 AVR 8/16bit 1 kB, 4 kB, 32 kB 32MHz 4 kB - - 12 2 2.7 → 3.6 V
RS Stock No. 696-3506
Mfr. Part No.ATMEGA88P-20AU
BrandMicrochip
£1.67
Each
Units
ATmega TQFP Surface Mount 32 AVR 8bit 512 B, 8 kB 20MHz 1 kB 0 3 8 2 2.7 → 5.5 V
RS Stock No. 738-0552
Mfr. Part No.ATMEGA8U2-MU
BrandMicrochip
£1.53
Each
Units
ATmega QFN Surface Mount 32 AVR 8bit 8 kB 16MHz 1.024 kB - 2 - 1 2.7 → 5.5 V
RS Stock No. 719-4054
Mfr. Part No.ATTINY2313A-MU
BrandMicrochip
£0.535
Each (In a Pack of 2)
Units
ATtiny MLF Surface Mount 20 AVR 8bit 128 B, 2 kB 20MHz 128 B 0 2 - 2 1.8 → 5.5 V
RS Stock No. 922-5400
Mfr. Part No.ATTINY1634R-SU
BrandMicrochip
£1.106
Each (In a Tube of 37)
Units
ATtiny SOIC Surface Mount 20 AVR 8bit 16 kB, 256 B 12MHz 1 kB 0 1 12 1 1.8 → 5.5 V
RS Stock No. 133-1635
Mfr. Part No.ATTINY44-20PU
BrandMicrochip
£1.37
Each (In a Pack of 5)
Units
AVR PDIP Through Hole 14 AVR 8bit 4 kB 20MHz 256 B 0 1 8 - 2.7 → 5.5 V
RS Stock No. 133-1703
Mfr. Part No.ATXMEGA128D4-AU
BrandMicrochip
£3.70
Each
Units
AVR XMEGA TQFP Surface Mount 44 AVR 8/16bit 128 + 8 kB 32MHz 8 kB 0 1 12 - 1.6 → 3.6 V
RS Stock No. 177-3416
Mfr. Part No.AT90CAN32-16MU
BrandMicrochip
£2.921
Each (In a Tray of 260)
Units
AT90 QFN Surface Mount 64 AVR 8bit 32 kB 16MHz 2 B - - 8 1 5.5 (Maximum) V
RS Stock No. 133-1636
Mfr. Part No.ATTINY44-20SSU
BrandMicrochip
£0.906
Each (In a Pack of 5)
Units
AVR SOIC Surface Mount 14 AVR 8bit 4 kB 20MHz 256 B 0 1 8 - 2.7 → 5.5 V
RS Stock No. 133-1704
Mfr. Part No.ATXMEGA128D4-MH
BrandMicrochip
£3.57
Each
Units
AVR XMEGA VQFN Surface Mount 44 AVR 8/16bit 128 + 8 kB 32MHz 8 kB 0 1 12 - 1.6 → 3.6 V
RS Stock No. 133-0957
Mfr. Part No.ATTINY13A-SU
BrandMicrochip
£0.594
Each (In a Pack of 10)
Units
AVR EIAJ SOIC Surface Mount 8 AVR 8bit 1 kB 20MHz 64 B 0 1 4 - 1.8 → 5.5 V
RS Stock No. 127-8262
Mfr. Part No.ATMEGA168P-20AU
BrandMicrochip
£2.48
Each (In a Pack of 2)
Units
ATmega TQFP Surface Mount 32 AVR 8bit 16 kB 20MHz 1 kB 0 1 8 - 2.7 → 5.5 V
RS Stock No. 177-3417
Mfr. Part No.AT90CAN64-16MU
BrandMicrochip
£3.821
Each (In a Tray of 260)
Units
AT90 QFN Surface Mount 64 AVR 8bit 64 kB 16MHz 4 B - - 8 1 5.5 (Maximum) V
RS Stock No. 177-3880
Mfr. Part No.ATTINY85-20MU
BrandMicrochip
£0.752
Each (In a Pack of 10)
Units
ATTINY QFN/MLF Surface Mount 8 AVR 8bit 8 kB 20MHz 512 B - - 4 1 1.8 → 5.5 V
RS Stock No. 177-3418
Mfr. Part No.AT90PWM3B-16MU
BrandMicrochip
£1.841
Each (In a Tray of 260)
Units
AT90 QFN Surface Mount 32 AVR 8bit 8 kB 64MHz 512 B - 1 11 1 5.5 (Maximum) V