ATMEGA128-16AN Family Name, Microchip ATMEGA128-16AN, 8bit AVR Microcontroller, ATmega128, 16MHz, 128 kB Flash, 64-Pin TQFP

The Atmel ATMEGA128 series are a 8-bit Microcontrollers that provides the following features like 128 Kbytes of In-system programmable flash with read-while-Write capabilities, 4 Kbytes EEPROM, 4 Kbytes SRAM, 53 general purpose I/O lines, 32 general purpose working registers, Real Time Counter (RTC), four flexible Timer/Counters with compare modes and PWM, 2 USARTs, a byte oriented Two-wire Serial Interface, an 8-channel, 10-bit ADC with optional differential input stage with programmable gain, programmable Watchdog Timer with Internal Oscillator, an SPI serial port, IEEE std. 1149.1 compliant JTAG test interface, also used for accessing the On-chip Debug system and programming and six software selectable power saving modes. It is available in 64 pin TQFP package.
It has a Power-on Reset and Programmable Brown-out DetectionIt has internal calibrated RC oscillatorIt has an external and internal interrupt sourcesIt has Six sleep modes like Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended standbyA Software Selectable Clock FrequencyIt has Global pull-up disable