Atmel Corporation ATMEGA128A-MU 3rd Party Development Tools: EWAVR, EWAVR-BL Connectivity: EBI/EMI, I??C, SPI, UART/USART Controller Family/series: AVR MEGA Core: AVR8 Core Processor: AVR Core Size: 8-Bit Cpu Speed: 16MHz Data Converters: A/D 8x10b Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT Eeprom Memory Size: 4KB Eeprom Size: 4K x 8 No. Of I/o's: 53 Number Of I /o: 53 Operating Temperature: -40?°C ~ 85?°C Oscillator Type: Internal Package / Case: 64-MLF?®, 64-QFN Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Processor Series: ATMEGA128x Program Memory Size: 128KB (64K x 16) Program Memory Type: FLASH Ram Memory Size: 4KB Ram Size: 4K x 8 Rohs Compliant: Yes Series: AVR?® ATmega Speed: 16MHz Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V Product Category: 8-bit Microcontrollers - MCU RoHS: yes Data Bus Width: 8 bit Maximum Clock Frequency: 16 MHz On-Chip ADC: Yes Operating Supply Voltage: 2.7 V to 5.5 V Factory Pack Quantity: 260