HomedatasheetATTINY45-20PU

ATTINY45-20PU Datasheet

Atmel 8-bit AVR Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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Description

Overview
The ATtiny25/45/85 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny25/45/85 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
   – 120 Powerful Instructions – Most Single Clock Cycle Execution
   – 32 x 8 General Purpose Working Registers
   – Fully Static Operation
Non-volatile Program and Data Memories
   – 2/4/8K Bytes of In-System Programmable Program Memory Flash
Endurance: 10,000 Write/Erase Cycles
   – 128/256/512 Bytes In-System Programmable EEPROM
Endurance: 100,000 Write/Erase Cycles
   – 128/256/512 Bytes Internal SRAM
   – 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
   – USI – Universal Serial Interface with Start Condition Detector
   – 10-bit ADC
4 Single Ended Channels
2 Differential ADC Channel Pairs with Programmable Gain (1x, 20x)
Temperature Measurement
   – 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
I/O and Packages
   – Six Programmable I/O Lines
   – 8-pin PDIP, 8-pin SOIC, 20-pad QFN/MLF, and 8-pin TSSOP (only ATtiny45/V)
Operating Voltage
   – 1.8 - 5.5V for ATtiny25V/45V/85V
   – 2.7 - 5.5V for ATtiny25/45/85
Speed Grade
   – ATtiny25V/45V/85V: 0 – 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V
   – ATtiny25/45/85: 0 – 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V
Industrial Temperature Range
Low Power Consumption
   – Active Mode:
      1 MHz, 1.8V: 300 μA
   – Power-down Mode:
      0.1 μA at 1.8V

Features

Parameters

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Manufacturer information

ATMEL CORPORATION

Atmel (Microchip Technology) - Atmel was acquired by Microchip in April 2016. Atmel Corporation is an industry leader in the design and manufacture of advanced semiconductors, with focus on microcontrollers, nonvolatile memory, logic, radio frequency (RF) components and sensors. These functions are marketed as standard products, application-specific standard products (ASSPs) or customer-specific products (ASICs) in order to provide a rapid and flexible response to the needs of Atmel’s customers.


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