規格
| 屬性 | 價值 |
| Package | Bulk |
| 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 | 4KB (2K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 256 x 8 |
| RAMSize | 256 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 | 8-SOIC (0.209, 5.30mm Width) |
概述
Description
The ATTINY45-20SUR is a microcontroller from Microchip Technology's AVR series, specifically designed for compact and simple embedded applications. It features an 8-bit RISC architecture and comes equipped with 4KB of Flash memory, 256 bytes of EEPROM, and 256 bytes of SRAM. Operating at a maximum frequency of 20 MHz, the ATTINY45-20SUR is ideal for applications requiring low power consumption in a small footprint.
This microcontroller supports various interfaces, including SPI, I2C, and USART, making it versatile for communication with other devices. Additionally, it offers 6 general-purpose I/O pins, which can be used for a variety of functions such as ADC inputs, PWM outputs, or digital I/O.
With its surface-mount package (SOT-23), the ATTINY45-20SUR is well-suited for space-constrained applications like wearable electronics, home automation, and small robotics. Its built-in features include a watchdog timer, analog comparator, and a calibrated internal oscillator, which help simplify the design process and reduce external component requirements. Overall, the ATTINY45-20SUR is a powerful yet economical choice for small-scale embedded projects.
This microcontroller supports various interfaces, including SPI, I2C, and USART, making it versatile for communication with other devices. Additionally, it offers 6 general-purpose I/O pins, which can be used for a variety of functions such as ADC inputs, PWM outputs, or digital I/O.
With its surface-mount package (SOT-23), the ATTINY45-20SUR is well-suited for space-constrained applications like wearable electronics, home automation, and small robotics. Its built-in features include a watchdog timer, analog comparator, and a calibrated internal oscillator, which help simplify the design process and reduce external component requirements. Overall, the ATTINY45-20SUR is a powerful yet economical choice for small-scale embedded projects.
Equivalent
The ATTINY45-20SUR is an 8-bit AVR microcontroller from Microchip Technology. Equivalent products with similar specifications include the ATTINY85 from the same family, which offers more memory, and the ATTINY25, which provides less memory. Other alternatives could be the Microchip PIC12F series or NXP's LPC81x series, though architecture and peripherals may differ. Always compare specifications like memory, speed, and package to ensure compatibility.
Features
The ATTINY45-20SUR is a microcontroller from Microchip Technology's AVR family, known for its compact size and efficient performance. Key features include:
1. 8-bit AVR Architecture: Offers efficient instruction set and high performance.
2. Memory: 4KB of In-System Programmable Flash, 256B EEPROM, and 256B SRAM.
3. Speed: Operates at up to 20MHz.
4. Peripherals: Includes a 10-bit ADC, analog comparator, and timer/counters.
5. I/O Ports: 6 I/O lines for versatile connectivity.
6. Operating Voltage: From 2.7V to 5.5V, suitable for low-power applications.
7. Power-saving Modes: Features various sleep modes to conserve energy.
8. Watchdog Timer: Offers enhanced reliability for time-critical applications.
9. Package: Available in a small 8-pin SOIC package, ideal for space-constrained designs.
10. Operating Temperature: Ranges from -40°C to +85°C, suitable for industrial environments.
These features make the ATTINY45-20SUR ideal for simple yet efficient embedded applications requiring a small footprint and low power consumption.
1. 8-bit AVR Architecture: Offers efficient instruction set and high performance.
2. Memory: 4KB of In-System Programmable Flash, 256B EEPROM, and 256B SRAM.
3. Speed: Operates at up to 20MHz.
4. Peripherals: Includes a 10-bit ADC, analog comparator, and timer/counters.
5. I/O Ports: 6 I/O lines for versatile connectivity.
6. Operating Voltage: From 2.7V to 5.5V, suitable for low-power applications.
7. Power-saving Modes: Features various sleep modes to conserve energy.
8. Watchdog Timer: Offers enhanced reliability for time-critical applications.
9. Package: Available in a small 8-pin SOIC package, ideal for space-constrained designs.
10. Operating Temperature: Ranges from -40°C to +85°C, suitable for industrial environments.
These features make the ATTINY45-20SUR ideal for simple yet efficient embedded applications requiring a small footprint and low power consumption.
Pinout
The ATtiny45-20SUR is an 8-bit microcontroller from Microchip Technology, part of the AVR family. It comes in an 8-pin Small Outline Integrated Circuit (SOIC) package. Here’s a brief overview of its pin functions:
1. VCC (Pin 8): Supply voltage.
2. GND (Pin 4): Ground reference.
3. PB0 to PB5 (Pins 5, 6, 7, 1, 2, 3): General-purpose I/O pins which can serve various functions such as digital I/O, PWM, ADC channels, and more depending on the configuration.
The ATtiny45 features 4KB of Flash memory, 256 bytes of SRAM, and 256 bytes of EEPROM. It supports various peripherals, including a timer/counter, an analog comparator, and a Universal Serial Interface (USI) for communication. Its compact design and low power consumption make it suitable for small, resource-constrained applications.
1. VCC (Pin 8): Supply voltage.
2. GND (Pin 4): Ground reference.
3. PB0 to PB5 (Pins 5, 6, 7, 1, 2, 3): General-purpose I/O pins which can serve various functions such as digital I/O, PWM, ADC channels, and more depending on the configuration.
The ATtiny45 features 4KB of Flash memory, 256 bytes of SRAM, and 256 bytes of EEPROM. It supports various peripherals, including a timer/counter, an analog comparator, and a Universal Serial Interface (USI) for communication. Its compact design and low power consumption make it suitable for small, resource-constrained applications.
Manufacturer
The ATTINY45-20SUR is manufactured by Microchip Technology Inc. Microchip Technology is a publicly traded American company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. They serve a variety of industries including automotive, industrial, computing, consumer, and telecommunications. The company is known for its focus on providing a broad range of reliable and high-performance solutions for embedded control applications.
Application
The ATTINY45-20SUR is a versatile microcontroller suitable for various applications. Common areas include embedded systems, consumer electronics, and automotive applications. It can be used in small, battery-powered devices due to its low power consumption features. It's ideal for sensor interfacing, data logging, and controlling simple electronics in IoT devices. The microcontroller is also utilized in home automation systems, toys, and wearable technology for basic processing tasks. Additionally, its capability to handle PWM outputs makes it suitable for motor control and LED dimming applications.
Package
The ATTINY45-20SUR microcontroller is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is surface-mount and designed for small form-factor applications, featuring a standard pitch and dimensions suitable for compact circuit board designs.
