Microchip Technology ATTINY828R-AUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 28
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.7V ~ 5.5V
Data Converters A/D 28x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-TQFP (7x7)
Package / Case 32-TQFP

The ATTINY828R-AUR is an 8-bit AVR microcontroller from Microchip, featuring 8KB Flash and 512B RAM in a 32-TQFP package. It operates from 1.7V to 5.5V at up to 20MHz, with integrated PWM, watchdog, and brown-out detection. This device is engineered for low-power, space-constrained embedded systems.

  • Low-voltage operation (1.7V) – extends battery life in portable devices.
  • Rich peripheral set – PWM, WDT, and analog comparator reduce external parts.
  • Small TQFP-32 – ideal for miniaturized PCB layouts.
  • Industrial temperature range – reliable in harsh environments.

Wearable Electronics

The 1.7V operation and small TQFP package enable compact, low-power fitness trackers.

HVAC Controllers

PWM outputs and wide temperature range support fan speed and damper control.

Security Systems

With 8KB Flash, it can handle sensor inputs and alarm logic in intrusion detection panels.

Data Loggers

Low power consumption allows long-term environmental monitoring with external sensors.

Automotive Interior Lighting

PWM dimming and 20MHz speed enable ambient light control in vehicles.

Portable Instruments

Small footprint and low voltage make it suitable for handheld multimeters and calibrators.

Q: How does ATTINY828R-AUR differ from ATTINY828-AUR?
A: The 'R' suffix indicates a different ordering code, but electrical specifications are identical.
Q: What is the operating voltage?
A: It operates from 1.7V to 5.5V, supporting low-voltage battery applications.
Q: What is the package type?
A: It is available in a 32-TQFP package with a 7x7mm body size.
Q: Does it support PWM?
A: Yes, it includes multiple PWM channels for motor and lighting control.
Q: What is the temperature range?
A: It is rated for -40°C to 85°C ambient temperature.
Base Product Number : ATTINY828
20MHz 512B RAM 8-bit MCU 8KB Flash ATTINY828 AVR HVAC low power PWM security TQFP-32 wearable
Q: How does ATTINY828R-AUR differ from ATTINY828-AUR?
A: The 'R' suffix indicates a different ordering code, but electrical specifications are identical.
Q: What is the operating voltage?
A: It operates from 1.7V to 5.5V, supporting low-voltage battery applications.
Q: What is the package type?
A: It is available in a 32-TQFP package with a 7x7mm body size.
Q: Does it support PWM?
A: Yes, it includes multiple PWM channels for motor and lighting control.
Q: What is the temperature range?
A: It is rated for -40°C to 85°C ambient temperature.