Overview The ATmega329/3290/649/6490 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega329/3290/649/6490 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. Features • High Performance, Low Power 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 16 MHz – On-Chip 2-cycle Multiplier • Non-volatile Program and Data Memories – In-System Self-Programmable Flash, Endurance: 10,000 Write/Erase Cycles 32K bytes (ATmega329/ATmega3290) 64K bytes (ATmega649/ATmega6490) – Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation – EEPROM, Endurance: 100,000 Write/Erase Cycles 1K bytes (ATmega329/ATmega3290) 2K bytes (ATmega649/ATmega6490) – Internal SRAM 2K bytes (ATmega329/ATmega3290) 4K bytes (ATmega649/ATmega6490) – Programming Lock for Software Security • JTAG (IEEE std. 1149.1 compliant) 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 Compare Mode – One 16-bit Timer/Counter with Separate Prescaler, Compare 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 Detector – Programmable Watchdog Timer with Separate On-chip Oscillator – On-chip Analog Comparator – Interrupt and Wake-up on Pin Change • Special Microcontroller Features – Power-on Reset and Programmable Brown-out Detection – Internal Calibrated Oscillator – External and Internal Interrupt Sources – Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby • I/O and Packages – 53/68 Programmable I/O Lines – 64-lead TQFP, 64-pad QFN/MLF, and 100-lead TQFP • Speed Grade: – ATmega329V/ATmega3290V/ATmega649V/ATmega6490V: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V – ATmega329/3290/649/6490: 0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V • Temperature range: – -40°C to 85°C Industrial • Ultra-Low Power Consumption – Active Mode: 1 MHz, 1.8V: 350 µA 32 kHz, 1.8V: 20 µA (including Oscillator) 32 kHz, 1.8V: 40 µA (including Oscillator and LCD) – Power-down Mode: 100 nA at 1.8V
|