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Features

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High-performance, Low-power AVR
® 8-bit Microcontroller

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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

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High Endurance Non-volatile Memory segments–16/32/64K Bytes of In-System Self-programmable Flash program memory–512B/1K/2K Bytes EEPROM–1/2/4K Bytes Internal SRAM–Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM –Data retention: 20 years at 85 C/100 years at 25 C–Optional Boot Code Section with Independent Lock BitsIn-System Programming by On-chip Boot ProgramTrue Read-While-Write Operation–Programming Lock for Software Security

ATmega164P/324P/644P Preliminary - 13779 8-bitMicrocontroller with 16/32/64K Bytes In-System Programmable

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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

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Peripheral Features–Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes–One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode–Real Time Counter with Separate Oscillator –Six PWM Channels–8-channel, 10-bit ADCDifferential mode with selectable gain at 1x, 10x or 200x–Byte-oriented Two-wire Serial Interface –Two Programmable Serial USART–Master/Slave SPI Serial Interface–Programmable Watchdog Timer with Separate On-chip Oscillator –On-chip Analog Comparator–Interrupt and Wake-up on Pin Change

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ATmega164P/VATmega324P/V ATmega644P/VPreliminary

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Special Microcontroller Features–Power-on Reset and Programmable Brown-out Detection–Internal Calibrated RC Oscillator–External and Internal Interrupt Sources –Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby

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I/O and Packages–32 Programmable I/O Lines–40-pin PDIP, 44-lead TQFP, 44-pad QFN/MLF (ATmega164P/324P/644P)

–44-pad DRQFN (

ATmega164P

)

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Operating Voltages–1.8 - 5.5V for ATmega164P/324P/644PV–2.7 - 5.5V for ATmega164P/324P/644P

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Speed Grades–ATmega164P/324P/644PV: 0 - 4MHz @ 1.8 - 5.5V, 0 - 10MHz @ 2.7 - 5.5V–ATmega164P/324P/644P: 0 - 10MHz @ 2.7 - 5.5V, 0 - 20MHz @ 4.5 - 5.5V

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Power Consumption at 1 MHz, 1.8V, 25 C for ATmega164P/324P/644P–Active: 0.4 mA–Power-down Mode: 0.1µA–Power-save Mode: 0.6µA (Including 32 kHz RTC)
8011I–AVR–05/08