The ATmega8-16PU datasheet provides specifications for the 8‑bit AVR microcontroller, including memory sizes, operating voltage, and peripheral features.
The ATmega8-16PU is an 8‑bit AVR microcontroller with a 16 MHz maximum clock speed. It offers 8 KB of flash program memory, 512 Bytes of EEPROM, and 1 KB of SRAM, packaged in a 28‑pin PDIP. The core architecture follows the AVR RISC design and supports up to 23 general‑purpose I/O pins.
The device includes a range of peripherals such as SPI, TWI (I²C), UART/USART, three timers, and a 6‑channel 10‑bit ADC. It operates from a supply voltage of 4.5 V to 5.5 V and incorporates brown‑out detection, power‑on reset, PWM, and a watchdog timer for robust embedded applications.
| Core Architecture | AVR |
|---|---|
| Maximum Frequency | 16 MHz |
| Flash Program Memory | 8 KB (4K × 16) |
| EEPROM Size | 512 Bytes |
| SRAM Size | 1 KB |
| Number of I/O Pins | 23 |
| ADC | 6‑channel, 10‑bit |
| Number of Timers | 3 |
| Interface Types | SPI, TWI (I²C), UART/USART |
It provides 23 general‑purpose I/O pins.
The microcontroller can run up to 16 MHz.
It includes SPI, TWI (I²C), and UART/USART interfaces.