Atmel Corporation ATMEGA8A-PU 3rd Party Development Tools: EWAVR, EWAVR-BL Connectivity: I??C, SPI, UART/USART Controller Family/series: AVR MEGA Core: AVR8 Core Processor: AVR Core Size: 8-Bit Cpu Speed: 16MHz Data Bus Width: 8 bit Data Converters: A/D 6x10b Data Ram Size: 1 KB Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT Device Core: AVR Eeprom Memory Size: 512Byte Eeprom Size: 512 x 8 Family Name: ATmega Interface Type: SPI, TWI, USART Maximum Clock Frequency: 16 MHz Maximum Operating Temperature: + 85 C Maximum Speed: 16 MHz Minimum Operating Temperature: - 40 C Mounting Style: Through Hole No. Of I/o's: 23 Number Of I /o: 23 Number Of Programmable I/os: 23 Number Of Timers: 3 On-chip Adc: 10 bit, 6 Channel Operating Supply Voltage: 3.3|5 V Operating Temperature: -40?°C ~ 85?°C Oscillator Type: Internal Package: 28PDIP Package / Case: 28-DIP (0.300", 7.62mm) Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Processor Series: ATMEGA8x Program Memory Size: 8KB (4K x 16) Program Memory Type: FLASH Ram Memory Size: 1KB Ram Size: 1K x 8 Rohs Compliant: Yes Series: AVR?® ATmega Speed: 16MHz Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V