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 16 MIPS Throughput at 16 MHz
– On-chip 2-cycle Multiplier
? Non-volatile Program and Data Memories
– 4/8/16K Bytes of In-System Self-Programmable Flash (ATmega48/88/168)
? Endurance: 75,000 Write/Erase Cycles
– Optional Boot Code Section with Independent Lock Bits
? In-System Programming by On-chip Boot Program
? True Read-While-Write Operation
– 256/512/512 Bytes EEPROM (ATmega48/88/168)
? Endurance: 100,000 Write/Erase Cycles
– 512/1K/1K Byte Internal SRAM (ATmega48/88/168)
– 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
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Byte-oriented 2-wire Serial Interface
– 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
– 23 Programmable I/O Lines
– Green/ROHS 32-lead TQFP and 32-pad QFN
? Operating Voltage:
– 2.7 - 5.5V for ATmega48/88/168
? Temperature Range:
– -40°C to 125°C
? Speed Grade:
– ATmega48/88/168: 0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V
? Low Power Consumption
– Active Mode:
? 4 MHz, 3.0V: 1.8mA
– Power-down Mode:
? 5μA at 3.0V
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