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.
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Microchip ATMEGA328-AUR technical specifications.
| 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 |
| RoHS | Compliant |
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