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Text version of the page
| 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 • High Endurance Non-volatile Memory Segments - 4/8/16/32K Bytes of In-System Self-Programmable Flash progam memory (ATmega48P/88P/168P/328P) - 256/512/512/1K Bytes EEPROM (ATmega48P/88P/168P/328P) - 512/1K/1K/2K Bytes Internal SRAM (ATmega48P/88P/168P/328P) - 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 • Peripheral Features - 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 - Six PWM Channels - 8-channel 10-bit ADC in TQFP and QFN/MLF package Temperature Measurement - 6-channel 10-bit ADC in PDIP Package Temperature Measurement - Programmable Serial USART - Master/Slave SPI Serial Interface - Byte-oriented 2-wire Serial Interface (Philips I2C compatible) - 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 - Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby • I/O and Packages - 23 Programmable I/O Lines - 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF • Operating Voltage: - 1.8 - 5.5V for ATmega48P/88P/168PV - 2.7 - 5.5V for ATmega48P/88P/168P - 1.8 - 5.5V for ATmega328P • Temperature Range: --40°C to 85°C • Speed Grade: - ATmega48P/88P/168PV: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V - ATmega48P/88P/168P: 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V - ATmega328P: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V • Low Power Consumption at 1 MHz, 1.8V, 25°C for ATmega48P/88P/168P: - Active Mode: 0.3 mA - Power-down Mode: 0.1 |jA - Power-save Mode: 0.8 |jA (Including 32 kHz RTC) | |||||||||
| 8-bit Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash | |||||||||
| ATmega48P/V ATmega88P/V ATmega168P/V ATmega328P Preliminary | |||||||||
| Rev. 8025D-AVR-03/08 | |||||||||