ATMEGA649 Datasheet | Atmel

Features - High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller - Advanced RISC Architecture - 130 Powerful Instructions - Most Single Clock Cycle Execution - 32 x 8 General Purpose Working Registers - Fully Static Operation - Up to 16 MIPS Throughput at 16MHz - On-Chip 2-cycle Multiplier - High Endurance Non-volatile Memory Segments - In-System Self-programmable Flash Program Memory - 32KBytes (ATmega329/ATmega3290) - 64KBytes (ATmega649/ATmega6490) - EEPROM - 1Kbytes (ATmega329/ATmega3290) - 2Kbytes (ATmega649/ATmega6490) - Internal SRAM - 2Kbytes (ATmega329/ATmega3290) - 4Kbytes (ATmega649/ATmega6490) - Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM - Data retention: 20 years at 85°C/100 years at 25°C(1) - Optional Boot Code Section with Independent Lock Bits - In-System Programming by On-chip Boot Program - True Read-While-Write Operation - Programming Lock for Software Security - JTAG (IEEE std. 1149.1 pliant) Interface - Boundary-scan Capabilities According to the JTAG Standard - Extensive On-chip Debug Support - Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface - Peripheral Features - 4 x 25 Segment LCD Driver (ATmega329/ATmega649) - 4 x 40 Segment LCD Driver (ATmega3290/ATmega6490) - Two 8-bit Timer/Counters with Separate Prescaler and pare Mode - One 16-bit Timer/Counter with Separate Prescaler, pare Mode, and Capture Mode - Real Time Counter with Separate Oscillator - Four PWM Channels - 8-channel, 10-bit ADC - Programmable Serial USART - Master/Slave SPI Serial Interface - Universal Serial Interface with Start Condition...