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ATTINY85-20MU

Name: ATTINY85-20MU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 8KB FLASH 20QFN

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製造商。部分 #ATTINY85-20MU
包 WQFN-20
資料表 ATTINY85-20MU DataSheet
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規格

Package	Tray
Series	AVR® ATtiny, Functional Safety (FuSa)
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	20MHz
Connectivity	USI
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O	6
ProgramMemorySize	8KB (4K x 16)
ProgramMemoryType	FLASH
EEPROMSize	512 x 8
RAMSize	512 x 8
Voltage-Supply(Vcc/Vdd)	2.7V ~ 5.5V
DataConverters	A/D 4x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	20-WFQFN Exposed Pad

概述

Description

The ATTINY85-20MU is a microcontroller from Atmel's ATtiny series, designed for low-power applications. It features an 8-bit AVR architecture and operates at a maximum clock speed of 20 MHz. The device comes with 8 KB of flash memory, 512 bytes of SRAM, and 6 I/O pins, making it suitable for compact projects and embedded systems.
Key features include:
1. GPIO: 6 programmable I/O pins that can be used for various functions.
2. Analog-to-Digital Converter (ADC): 10-bit ADC for reading analog signals.
3. PWM: Supports pulse-width modulation for controlling motors and LEDs.
4. Low Power Consumption: Ideal for battery-operated devices with sleep modes.
5. Programming: Can be programmed using the Arduino IDE or Atmel Studio.
The ATTINY85-20MU is popular among hobbyists and professionals for its versatility, ease of use, and compact size, making it ideal for IoT projects, wearables, and simple automation tasks.

Features

The ATTINY85-20MU is a low-power 8-bit microcontroller from Atmel's AVR family, featuring:
1. Memory: 8 KB of Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM.
2. Speed: Operates at a maximum clock frequency of 20 MHz.
3. I/O Ports: 6 general-purpose I/O pins, allowing for versatile interfacing.
4. ADC: 10-bit Analog-to-Digital Converter with up to 4 channels for analog input.
5. Timers: Two 8-bit and one 16-bit timer/counter for various timing applications.
6. Communication: Supports I2C (TWI), SPI, and USART for serial communication.
7. Low Power: Multiple power-saving modes, making it suitable for battery-operated devices.
8. Operating Voltage: 2.7V to 5.5V range.
9. Packages: Available in DIP, TQFP, and MLF packages.
The ATTINY85 is ideal for compact, low-power applications, such as sensor interfaces, portable devices, and DIY electronics projects.

Package

The ATtiny85-20MU comes in a 20-pin MLF (Micro Leadframe) package, which is a small, surface-mount package type. It is designed for compact applications and offers a low profile with a footprint suitable for various electronic designs.

Pinout

The ATtiny85-20MU is an 8-bit microcontroller from the AVR family, featuring a total of 8 pins. The pin count and their functions are as follows:
1. VCC - Power supply voltage.
2. GND - Ground.
3. PB0 (Digital I/O) - General-purpose I/O pin or can serve as an analog input (ADC0).
4. PB1 (Digital I/O) - General-purpose I/O pin or can serve as an analog input (ADC1).
5. PB2 (Digital I/O) - General-purpose I/O pin or can serve as an analog input (ADC2).
6. PB3 (Digital I/O) - General-purpose I/O pin, or can be used for the external interrupt.
7. PB4 (Digital I/O) - General-purpose I/O pin or can serve as a reset pin (RESET).
8. PB5 (Digital I/O) - General-purpose I/O pin or can serve as a clock output (SCK) in SPI mode.
The ATtiny85 operates at a maximum clock frequency of 20 MHz and is popular for small projects due to its low power consumption and versatility.

Manufacturer

The ATTINY85-20MU is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in the design and manufacturing of microcontrollers, analog semiconductors, and embedded control solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries, including automotive, industrial, consumer, and communications. The company is known for its focus on innovation, providing a diverse portfolio of products that support various applications, from simple embedded systems to complex designs. Microchip is recognized for its commitment to quality and customer support, making it a prominent player in the electronics industry.

Application

The ATTINY85-20MU is commonly used in various application areas, including:
1. Embedded Systems: Simple control tasks in DIY electronics.
2. Sensor Interfaces: Reading data from sensors in environmental monitoring.
3. Wearable Devices: Low-power applications in fitness trackers.
4. LED Control: Driving RGB LEDs or light patterns.
5. Motor Control: Small motor drivers in robotics.
6. IoT Devices: Basic connectivity in Internet of Things applications.
7. Home Automation: Simple automation tasks like switches and timers.

Equivalent

Equivalent products to the ATTINY85-20MU chip include the ATtiny84, ATtiny45, and ATtiny13. These microcontrollers offer similar functionality with varying memory sizes and pin configurations. Additionally, some other options could be the Microchip MCP2004 and the STMicroelectronics STM8S series, depending on specific application requirements. Always check datasheets for compatibility with your project's needs.