The high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller combines 16KB ISP flash memory, 1KB SRAM, 512B EEPROM, an 8-channel/10-bit A/D converter (TQFP and QFN/MLF), and debugWIRE for on-chip debugging. The device supports a throughput of 20 MIPS at 20 MHz and operates between 2.7-5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

Features of ATmega168 Microcontroller:

• Advanced RISC Architecture.
• 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.
• 16 Kbytes of In-System Self-programmable Flash program memory.
• 512 Bytes EEPROM.
• 1 Kbyte Internal SRAM.
• 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.
• Extensive On-chip Debug Support.
• Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface.
• 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.
• Four PWM Channels.
• 8-channel, 10-bit ADC.
• 8 Single-ended Channels.
• Byte-oriented Two-wire Serial Interface.
• Programmable Serial USART.
• Master/Slave SPI Serial Interface.
• Programmable Watchdog Timer with Separate On-chip Oscillator.

Applications of ATmega168 Microcontroller:

• Multiple DIY projects..
• Projects requiring more than logical control for devices.
• Microcontroller applications for multiple device interface/Control.
• Replacement for Arduino module.
• Needs a USB AVR programmer.

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