1
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 bytes 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 Wakeup on Pin Change
– Two 8-bit Timer/Counters with Separate Prescalers
– One150 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 Tuneable Oscillator
– Internal 25.6 MHz Clock Generator for Timer/Counter
– External and Internal Interrupt Sources
– Low-power Idle and Power-down Modes
• I/O and Packages
– 8-pin PDIP/SOIC: 6 Programmable I/O Lines
• Operating Voltages
– 2.7V - 5.5V (ATtiny15L)
• Internal 1.6 MHz System Clock
• Commercial and Industrial Temperature Ranges
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.
Rev. 1187B–03/00
8-bit
Microcontroller
with 1K Bytes
Flash
ATtiny15L
Advance
Information
Pin Configuration
1
2
3
4
8
7
6
5
(RESET/ADC0) PB5
(ADC3) PB4
(ADC2) PB3
GND
VCC
PB2 (ADC1/SCK/T0/INT0)
PB1 (AIN1/MISO/OC1A)
PB0 (AIN0/AREF/MOSI)
PDIP/SOIC
(continued)
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