ATMEGA324 Datasheet | Atmel

Features - High-performance, Low-power AVR® 8-bit Microcontroller - Advanced RISC Architecture - 131 Powerful Instructions - Most Single-clock Cycle Execution - 32 x 8 General Purpose Working Registers - Fully Static Operation - Up to 20 MIPS Throughput at 20 MHz - On-chip 2-cycle Multiplier Nonvolatile Program and Data Memories - 16/32/64K Bytes of In-System Self-Programmable Flash Endurance: 10,000 Write/Erase Cycles - Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation - 512B/1K/2K Bytes EEPROM Endurance: 100,000 Write/Erase Cycles - 1/2/4K Bytes Internal SRAM - 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 - Two 8-bit Timer/Counters with Separate Prescalers and pare Modes - One 16-bit Timer/Counter with Separate Prescaler, pare Mode, and Capture Mode - Real Time Counter with Separate Oscillator - Six PWM Channels - 8-channel, 10-bit ADC Differential mode with selectable gain at 1x, 10x or 200x - Byte-oriented Two-wire Serial Interface - One/Two Programmable Serial USART (ATmega644, ATmega164/324) - Master/Slave SPI Serial Interface - Programmable Watchdog Timer with Separate On-chip Oscillator - On-chip Analog parator - Interrupt and Wake-up on Pin Change Special Microcontroller Features - Power-on Reset and Programmable Brown-out Detection - Internal Calibrated RC...