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.

Specifications and 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
• Nonvolatile 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

Application Scenarios

The ATtiny15L microcontroller can be used in various applications, including but not limited to:

• Embedded systems
• IoT devices
• Sensors
• Automotive electronics
• Industrial control systems

Comparison

• Low power consumption
• High-performance RISC architecture
• In-System Programmable via SPI Port
• Wide operating voltage range

• Limited number of I/O lines (6)