Atmel Corporation ATMEGA128-16MN 3rd Party Development Tools: EWAVR, EWAVR-BL Connectivity: EBI/EMI, I??C, SPI, UART/USART Core: AVR8 Core Processor: AVR Core Size: 8-Bit Data Bus Width: 8 bit Data Converters: A/D 8x10b Data Ram Size: 4 KB Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT Eeprom Size: 4K x 8 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 Size: 4K x 8 Series: AVR?® ATmega Speed: 16MHz Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V Product Category: 8-bit Microcontrollers - MCU RoHS: yes Maximum Clock Frequency: 16 MHz Data RAM Size: 4 KB On-Chip ADC: Yes Operating Supply Voltage: 4.5 V to 5.5 V Maximum Operating Temperature: + 105 C Data ROM Size: 4 KB Interface Type: JTAG/TWI/SPI/USART Minimum Operating Temperature: - 40 C Number of Programmable I/Os: 53 Number of Timers: 4 On-Chip DAC: No Factory Pack Quantity: 260 Supply Voltage - Max: 5.5 V Supply Voltage - Min: 4.5 V