8-bit microcontroller with 32KB FLASH memory and 2KB RAM. Features an 8b data bus, 20MHz maximum frequency, and internal oscillator. Offers I2C, SPI, UART, and USART interfaces, along with 23 programmable I/Os and 3 timers/counters. Includes peripherals such as Brown-out Detect/Reset, POR, PWM, WDT, and HLVD. Operates within a 1.8V to 5.5V supply voltage range and a -40°C to 85°C temperature range. Packaged in a 32-pin TQFP with tin contact plating for surface mounting.
Frequency20MHz
PackageTQFP
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA328-AUR technical specifications.
General
Package/Case
TQFP
Contact Plating
Tin
Core Architecture
PIC
Data Bus Width
8b
Frequency
20MHz
Interface
I2C, SPI, UART, USART
Max Frequency
20MHz
Max Operating Temperature
85°C
Memory Size
32KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Max Supply Voltage
5.5V
Min Supply Voltage
1.8V
Mount
Surface Mount
Number of I/Os
23
Number of Programmable I/O
23
Number of Timers/Counters
3
Oscillator Type
Internal
Packaging
Cut Tape
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, HLVD
RAM Size
2KB
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
PIC® XLP™ 18F
Watchdog Timer
Yes
Compliance
RoHS
Compliant
Datasheet
Microchip ATMEGA328-AUR Datasheet
Download the complete datasheet for Microchip ATMEGA328-AUR to view detailed technical specifications.
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