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What is ATtiny45?

This electronic component, produced by the manufacturer "ATMEL Corporation", performs the same function as "(Automotive) Atmel 8-bit AVR Microcontroller".


ATtiny45 Datasheet PDF - ATMEL Corporation

Part Number ATtiny45
Description (Automotive) Atmel 8-bit AVR Microcontroller
Manufacturers ATMEL Corporation 
Logo ATMEL Corporation Logo 


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ATtiny25/45/85 Automotive
8-bit AVR Microcontroller with 2/4/8K Bytes In-System
Programmable Flash
DATASHEET
Features
High performance, low power AVR® 8-bit microcontroller
Advanced RISC architecture
120 powerful instructions – most single clock cycle execution
32 × 8 general purpose working registers
Fully static operation
Non-volatile program and data memories
2/4/8Kbyte of in-system programmable program memory flash (ATtiny25/45/85)
Endurance: 10,000 write/erase cycles
128/256/512 bytes in-system programmable EEPROM (Atmel® ATtiny25/45/85)
Endurance: 100,000 write/erase cycles
128/256/512 bytes internal SRAM (ATtiny25/45/85)
Programming lock for self-programming flash program and EEPROM data
security
Peripheral features
8-bit Timer/Counter with prescaler and Two PWM channels
8-bit high speed Timer/Counter with separate prescaler
2 High frequency PWM outputs with separate output compare registers
Programmable dead time generator
Universal serial interface with start condition detector
10-bit ADC
4 Single ended channels
2 Differential ADC channel pairs with programmable gain (1x, 20x)
Programmable watchdog timer with separate on-chip oscillator
On-chip analog comparator
Special microcontroller features
debugWIRE on-chip debug system
In-system programmable via SPI port
External and internal interrupt sources
Low power idle, ADC noise reduction, and power-down modes
Enhanced power-on reset circuit
Programmable brown-out detection circuit
Internal calibrated oscillator
7598J-AVR-12/14

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ATtiny45 equivalent
2. About Code Examples
This documentation contains simple code examples that briefly show how to use various parts of the device. These code
examples assume that the part specific header file is included before compilation. Be aware that not all C compiler vendors
include bit definitions in the header files and interrupt handling in C is compiler dependent. Please confirm with the C
compiler documentation for more details.
3. AVR CPU Core
3.1 Introduction
This section discusses the AVR® core architecture in general. The main function of the CPU core is to ensure correct
program execution. The CPU must therefore be able to access memories, perform calculations, control peripherals, and
handle interrupts.
3.2 Architectural Overview
Figure 3-1. Block Diagram of the AVR Architecture
Data Bus 8-bit
Flash
Program
Memory
Instruction
Register
Instruction
Decoder
Control Lines
Program
Counter
Status and
Control
32 x 8
General
Purpose
Registers
ALU
Data
SRAM
Interrupt
Unit
Watchdog
Timer
Analog
Comparator
I/O Module 1
I/O Module 2
EEPROM
I/O Module n
I/O Lines
ATtiny25/45/85 Automotive [DATASHEET]
7598J–AVR–12/14
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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ATtiny45 electronic component.


Information Total 30 Pages
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