AVR microcontrollers
E412985
AVR microcontrollers are a family of compact, low-power 8-bit and 32-bit microcontrollers from Atmel (now Microchip) widely used in embedded systems and hobbyist platforms like Arduino.
All labels observed (11)
| Label | Occurrences |
|---|---|
| AVR | 3 |
| AT90 series | 1 |
| ATmega series | 1 |
| ATtiny series | 1 |
| ATxmega series | 1 |
| AVR 8-bit RISC core | 1 |
| AVR microcontrollers canonical | 1 |
| AVR32 series | 1 |
| Arduino | 1 |
| Arduino Mega (ATmega2560) | 1 |
| Arduino Uno (ATmega328P) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4093893 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: AVR microcontrollers Context triple: [Harvard architecture, isCommonIn, AVR microcontrollers]
-
A.
Microchip ATSAMD21
Microchip ATSAMD21 is a low-power 32-bit ARM Cortex-M0+ microcontroller widely used in maker and embedded applications for its integrated peripherals and ease of use.
-
B.
ESP32 microcontrollers
ESP32 microcontrollers are low-cost, low-power Wi-Fi and Bluetooth-enabled system-on-chips from Espressif, widely used for IoT, embedded, and hobbyist electronics projects.
-
C.
ARM Cortex-M series
The ARM Cortex-M series is a family of low-power, 32-bit RISC microcontroller cores widely used in embedded systems, IoT devices, and real-time applications.
-
D.
ARM
ARM is a family of energy-efficient RISC processor architectures widely used in mobile devices, embedded systems, and increasingly in laptops and servers.
-
E.
ETH Board
The ETH Board is the strategic leadership and supervisory body overseeing Switzerland’s federal institutes of technology, including ETH Zurich and EPFL.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: AVR microcontrollers Target entity description: AVR microcontrollers are a family of compact, low-power 8-bit and 32-bit microcontrollers from Atmel (now Microchip) widely used in embedded systems and hobbyist platforms like Arduino.
-
A.
Microchip ATSAMD21
Microchip ATSAMD21 is a low-power 32-bit ARM Cortex-M0+ microcontroller widely used in maker and embedded applications for its integrated peripherals and ease of use.
-
B.
ESP32 microcontrollers
ESP32 microcontrollers are low-cost, low-power Wi-Fi and Bluetooth-enabled system-on-chips from Espressif, widely used for IoT, embedded, and hobbyist electronics projects.
-
C.
ARM Cortex-M series
The ARM Cortex-M series is a family of low-power, 32-bit RISC microcontroller cores widely used in embedded systems, IoT devices, and real-time applications.
-
D.
ARM
ARM is a family of energy-efficient RISC processor architectures widely used in mobile devices, embedded systems, and increasingly in laptops and servers.
-
E.
ETH Board
The ETH Board is the strategic leadership and supervisory body overseeing Switzerland’s federal institutes of technology, including ETH Zurich and EPFL.
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
embedded processor
ⓘ
microcontroller family ⓘ |
| architectureType | Harvard architecture ⓘ |
| bitWidth |
32-bit
ⓘ
8-bit ⓘ |
| coreName |
AVR microcontrollers
self-linksurface differs
ⓘ
surface form:
AVR 8-bit RISC core
AVR32 32-bit core ⓘ |
| dataMemoryType | SRAM ⓘ |
| developer |
Atmel
ⓘ
Microchip Technology ⓘ |
| endianess | little-endian ⓘ |
| familyIncludes |
AVR microcontrollers
self-linksurface differs
ⓘ
surface form:
AT90 series
AVR microcontrollers self-linksurface differs ⓘ
surface form:
ATmega series
AVR microcontrollers self-linksurface differs ⓘ
surface form:
ATtiny series
AVR microcontrollers self-linksurface differs ⓘ
surface form:
ATxmega series
AVR microcontrollers self-linksurface differs ⓘ
surface form:
AVR32 series
|
| feature |
brown-out detection (on many devices)
ⓘ
interrupt system ⓘ on-chip oscillator (on many devices) ⓘ sleep modes for power saving ⓘ |
| instructionSetType |
RISC architecture
ⓘ
surface form:
RISC
|
| introducedBy | Atmel in the mid-1990s ⓘ |
| marketSegment |
consumer electronics
ⓘ
education and prototyping ⓘ industrial control ⓘ |
| memoryArchitecture | separate program and data memory ⓘ |
| nonVolatileMemoryType | EEPROM ⓘ |
| peripheralType |
ADC (analog-to-digital converter)
ⓘ
I2C (TWI) interface ⓘ PWM outputs ⓘ SPI interface ⓘ USART / UART ⓘ comparators ⓘ counters ⓘ timers ⓘ watchdog timer ⓘ |
| powerConsumption | low-power ⓘ |
| programMemoryType | on-chip flash memory ⓘ |
| programmingLanguageSupport |
C
ⓘ
C++ ⓘ assembly language ⓘ |
| registerFileSize | 32 general-purpose registers (8-bit) ⓘ |
| status | actively manufactured by Microchip Technology ⓘ |
| supports |
JTAG debugging (on selected devices)
ⓘ
in-system programming (ISP) ⓘ serial programming ⓘ |
| toolchain |
GNU Compiler Collection
ⓘ
surface form:
AVR-GCC
AVRDUDE ⓘ Atmel Studio (legacy) ⓘ
surface form:
Atmel Studio / Microchip Studio
|
| typicalClockFrequency | 1 MHz to 20 MHz ⓘ |
| useCase |
Arduino platforms
ⓘ
embedded systems ⓘ hobbyist electronics ⓘ |
| usedIn |
Arduino Leonardo (ATmega32U4)
ⓘ
AVR microcontrollers self-linksurface differs ⓘ
surface form:
Arduino Mega (ATmega2560)
AVR microcontrollers self-linksurface differs ⓘ
surface form:
Arduino Uno (ATmega328P)
|
| voltageRange | typically 1.8V to 5.5V (device dependent) ⓘ |
| wordSize | 8-bit word ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: AVR microcontrollers Description of subject: AVR microcontrollers are a family of compact, low-power 8-bit and 32-bit microcontrollers from Atmel (now Microchip) widely used in embedded systems and hobbyist platforms like Arduino.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Arduino
this entity surface form:
AVR
this entity surface form:
AVR
this entity surface form:
ATmega series
this entity surface form:
ATtiny series
this entity surface form:
ATxmega series
this entity surface form:
AT90 series
this entity surface form:
AVR32 series
this entity surface form:
AVR 8-bit RISC core
this entity surface form:
Arduino Uno (ATmega328P)
this entity surface form:
Arduino Mega (ATmega2560)