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ATTINY861-20SU

Name: ATTINY861-20SU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 8KB FLASH 20SOIC

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資料表 ATTINY861-20SU DataSheet
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規格

Series	AVR® ATtiny
Part Status	Active
DigiKey Programmable	Verified
Core Processor	AVR
Core Size	8-Bit
Speed	20MHz
Connectivity	USI
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	16
Program Memory Size	8KB (4K x 16)
Program Memory Type	FLASH
EEPROM Size	512 x 8
RAM Size	512 x 8
Voltage - Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 11x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	20-SOIC
Package / Case	20-SOIC (0.295", 7.50mm Width)
Base Product Number	ATTINY861

概述

Description

The ATTINY861-20SU is a microcontroller from Microchip's AVR family, designed for low-power applications. It features an 8-bit RISC architecture, operating at a maximum speed of 20 MHz. The chip includes 8 KB of Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM, providing ample storage for programs and data.
Key features include a 10-bit ADC with up to 8 channels, six PWM outputs, and multiple communication interfaces such as SPI, TWI (I2C), and USART. The ATTINY861-20SU also supports various power-saving modes, making it suitable for battery-operated devices.
The device is housed in a 32-pin TQFP package, which allows for compact designs. It offers a wide operating voltage range (2.7V to 5.5V), making it versatile for different applications. The ATTINY861-20SU is ideal for projects requiring efficient processing power in a small form factor, such as consumer electronics, automotive systems, and IoT devices.

Features

The ATtiny861-20SU is an 8-bit microcontroller from Microchip's AVR family, notable for its small size and versatility. Key features include:
- Architecture: 8-bit AVR RISC architecture for efficient performance.
- Flash Memory: 8 KB of in-system programmable Flash memory.
- SRAM: 512 Bytes of SRAM for data storage.
- EEPROM: 512 Bytes of EEPROM for non-volatile data storage.
- Operating Speed: Up to 20 MHz clock frequency.
- I/O Pins: 12 General Purpose I/O (GPIO) pins.
- Timers: Two 8-bit and one 16-bit timer/counters with PWM capabilities.
- ADC: 10-bit Analog-to-Digital Converter with multiple channels.
- Communication Interfaces: SPI, USART, and I2C support for serial communication.
- Low Power Modes: Various power-saving modes for energy efficiency.
- Operating Voltage: 2.7V to 6.0V, making it suitable for battery-operated devices.
These features make the ATtiny861-20SU ideal for small embedded applications, including sensors, motor control, and consumer electronics.

Package

The ATTINY861-20SU is packaged in a 32-pin TQFP (Thin Quad Flat Package) format. This surface-mount package has a pitch of 0.8 mm and measures 7 mm x 7 mm, allowing for compact design in electronic applications.

Pinout

The ATtiny861-20SU is an 8-bit microcontroller from the Atmel AVR family, featuring a total of 20 pins. It operates with a 20 MHz maximum clock frequency and includes the following key functions:
1. Digital I/O: 12 pins can be used as general-purpose I/O.
2. Analog Features: It has a 10-bit ADC with up to 8 channels.
3. Timers: Equipped with two 8-bit and one 16-bit timer/counter.
4. Serial Communication: Supports USART for serial communication.
5. External Interrupt: Multiple external interrupts are available.
6. EEPROM: 512 bytes of in-system programmable EEPROM.
7. Flash Memory: 8 KB of Flash memory for code storage.
8. Watchdog Timer: Integrated watchdog timer for system reliability.
The microcontroller is available in a 20-pin QFN/MLF package (SU) and is suitable for low-power applications.

Manufacturer

The ATTINY861-20SU is manufactured by Microchip Technology Inc., a prominent semiconductor company. Founded in 1989, Microchip specializes in microcontrollers, memory, and analog semiconductors. The company is well-known for its focus on embedded control applications, offering a wide range of products and solutions for various industries including automotive, consumer electronics, and industrial automation. Microchip’s portfolio includes microcontrollers and digital signal controllers, with the AVR family, which includes the ATTINY series, being popular among hobbyists and professionals for its ease of use and versatility in embedded systems.

Application

The ATTINY861-20SU is a versatile microcontroller suitable for various applications, including:
1. Embedded systems in consumer electronics.
2. Automation and control in home appliances.
3. Sensor interfacing in environmental monitoring.
4. Robotics and motor control.
5. Wearable technology and health monitoring devices.
6. IoT devices for data collection and communication.
7. Prototyping and educational projects due to its ease of use.
Its compact size and low power consumption make it ideal for battery-operated applications.

Equivalent

Equivalent products to the ATTINY861-20SU include the ATTINY841 and ATTINY861A, which share similar architectures and features but may differ in pin configurations, memory, and clock speed. Other alternatives can be found in the ATtiny series, such as the ATTINY1634 or ATTINY88, depending on specific application needs. Always verify compatibility with your project requirements.