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Atmel Electronic Components Datasheet

ATtiny15 Datasheet

8-bit Microcontroller

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Features
High-performance, Low-power AVR® 8-bit Microcontroller
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 of In-System Programmable Program Memory Flash
Endurance: 1,000 Write/Erase Cycles
64 bytes of In-System Programmable EEPROM
Endurance: 100,000 Write/Erase Cycles
Programming Lock for Flash Program and EEPROM Data Security
Peripheral Features
Two 8-bit Timers/Separate Prescalers
One High-speed (100 kHz) 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
External and Internal Interrupt Sources
Low-power Idle, Noise Reduction and Power Down Modes
Enhanced Power-on Reset Circuit
Programmable Brown-out Detection Circuit
Internal 1.6 MHz Tuneable Oscillator
Internal 25.6 MHz Clock Generator for Timer/Counter 1
I/O and Packages
8-pin PDIP/SOIC: 6 Programmable I/O Lines
Operating Voltages
2.7V - 5.5V (ATtiny15L)
4.0V - 5.5V (ATtiny15)
Commercial and Industrial Temperature Ranges
8-bit
Microcontroller
with 1K Bytes
Flash
ATtiny15
Advance
Information
Description
The ATtiny15 is a low-power CMOS 8-bit microcontroller based on the AVR RISC
architecture. By executing powerful instructions in a single clock cycle, the ATtiny15
achieves throughputs approaching 1 MIPS per MHz allowing the system designer to
optimize power consumption versus processing speed.
The AVR core combines a rich instruction set with 32 general purpose working regis-
ters. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU),
allowing two independent registers to be accessed in one single instruction executed
(continued)
Pin Configurations
PDIP/SOIC
(RESET/ADC0) PB5
(ADC3) PB4
(ADC2) PB3
GND
1
2
3
4
8 VCC
7 PB2 (SCK/ADC1/T0/INT0)
6 PB1 (MISO/AIN1/OCP)
5 PB0 (MOSI/AIN0/AREF)
Rev. 1187A08/99
1


Atmel Electronic Components Datasheet

ATtiny15 Datasheet

8-bit Microcontroller

No Preview Available !

in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than
conventional CISC microcontrollers. The ATtiny15 has a high precision ADC with up to 4 single ended channels and 1 dif-
ferential channel with up to 20X gain. In addition, the high speed PWM output makes the ATtiny15 ideal for battery charger
applications and power regulation circuits.
Block Diagram
Figure 1. The ATtiny15 Block Diagram
8-BIT DATABUS
INTERNAL
OSCILLATOR
TUNABLE
INTERNAL
OSCILLATOR
VCC
GND
PROGRAM
COUNTER
PROGRAM
FLASH
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
STACK
POINTER
HARDWARE
STACK
GENERAL
PURPOSE
REGISTERS
Z
WATCHDOG
TIMER
MCU CONTROL
REGISTER
MCU STATUS
REGISTER
TIMER/
COUNTER0
TIMING AND
CONTROL
CONTROL
LINES
ALU
STATUS
REGISTER
TIMER/
COUNTER1
INTERRUPT
UNIT
PROGRAMMING
LOGIC
DATA
EEPROM
DATA REGISTER
PORT B
DATA DIR.
REG.PORT B
PORT B DRIVERS
ADC
MUX/
GAIN
PB0-PB5
2 ATtiny15


Part Number ATtiny15
Description 8-bit Microcontroller
Maker ATMEL Corporation
PDF Download

ATtiny15 Datasheet PDF






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