ATmega168 Datasheet Text
ATmega48/V/88/V/168/V megaAVR® Data Sheet
Introduction
The ATmega48/V/88/V/168/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 × 8 general purpose working registers
- Fully static operation
- Up to 20 MIPS throughput at 20MHz
- On-chip 2-cycle multiplier
- High endurance non-volatile memory segments
- 4/8/16 Kbytes of in-system self-programmable flash program memory
- 256/512/512 bytes EEPROM
- 512/1K/1Kbytes internal SRAM
- Write/erase cyles: 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
- 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 pare mode
- One 16-bit timer/counter with separate prescaler, pare mode, and capture mode
- Real time counter with separate oscillator
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