ATmega48P/V/88P/V/168P/V megaAVR Data Sheet Introduction The ATmega48P/V/88P/V/168P/V is a low power, CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed. 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 4/8/16KBytes of In-System Self-Programmable Flash program memory 256/512/512Bytes EEPROM 512/1K/1KBytes Internal SRAM Write/Erase Cycles: 10,000 Flash/100,000 EEPROM (1) Data retention: 20 years at 85C/100 years at 25C 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 QTouch Library Support Capacitive touch buttons, sliders and wheels QTouch and QMatrix acquisition Up to 64 sense channels 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 2018 Microchip Technology Inc. Data Sheet Complete DS40002065A-page 1ATmega48P/V/88P/V/168P/V 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 2 Byte-oriented 2-wire Serial Interface (Philips I C 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 ATmega48PV/88PV/168PV 2.7 - 5.5V for ATmega48P/88P/168P Temperature Range: -40C to 85C Speed Grade: ATmega48PV/88PV/168PV: 0 - 4MHz 1.8 - 5.5V, 0 - 10MHz 2.7 - 5.5V ATmega48P/88P/168P: 0 - 10MHz 2.7 - 5.5V, 0 - 20MHz 4.5 - 5.5V Low Power Consumption at 1MHz, 1.8V, 25C: Active Mode: 0.3mA Power-down Mode: 0.1A Power-save Mode: 0.8A (Including 32kHz RTC) 2018 Microchip Technology Inc. Data Sheet Complete DS40002065A-page 2