Description
The ATtiny15L is a low-power CMOS 8-bit microcontroller based on the AVR RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny15L achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

FEATUREs
• High-performance, Low-power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
   – 90 Powerful Instructions – Most Single Clock Cycle Execution
   – 32 x 8 General Purpose Working Registers
   – Fully Static Operation
• Non-volatile Program and Data Memories
   – 1K Byte In-System Programmable Flash Program Memory Endurance: 1,000 Write/Erase Cycles
   – 64 Bytes EEPROM Endurance: 100,000 Write/Erase Cycles
   – Programming Lock for Flash Program Data Security
• Peripheral Features
   – Interrupt and Wake-up on Pin Change
   – Two 8-bit Timer/Counters with Separate Prescalers
   – One 150 kHz, 8-bit High-speed PWM Output
   – 4-channel 10-bit ADC One Differential Voltage Input with Optional Gain of 20x
   – On-chip Analog Comparator
   – Programmable Watchdog Timer with On-chip Oscillator
• Special Microcontroller Features
   – In-System Programmable via SPI Port
   – Enhanced Power-on Reset Circuit
   – Programmable Brown-out Detection Circuit
   – Internal, Calibrated 1.6 MHz Tunable Oscillator
   – Internal 25.6 MHz Clock Generator for Timer/Counter
   – External and Internal Interrupt Sources
   – Low-power Idle and Power-down Modes
• Power Consumption at 1.6 MHz, 3V, 25°C
   – Active: 3.0 mA
   – Idle Mode: 1.0 mA
   – Power-down: < 1 µA
• I/O and Packages
   – 8-lead PDIP and 8-lead SOIC: 6 Programmable I/O Lines
• Operating Voltages
   – 2.7V - 5.5V
• Internal 1.6 MHz System Clock