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 | 2KB (1K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 128 x 8 |
| RAMSize | 128 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 ATTINY25-20SU is an 8-bit microcontroller from Microchip Technology, part of their AVR series. It is designed for simple, compact applications requiring low power and high performance. The "25" indicates its specific model within the ATTINY family, and the "20SU" refers to its speed (20 MHz) and packaging type (SOIC-8 surface-mount).
Key features of the ATTINY25 include:
- 2 KB of Flash memory for program storage.
- 128 bytes of SRAM and 128 bytes of EEPROM for data retention.
- 8-pin configuration, which makes it suitable for space-constrained applications.
- Rich set of peripherals including timers, ADC, and support for PWM.
- Operating voltage from 1.8V to 5.5V, making it versatile for different power environments.
- Low power consumption with multiple sleep modes, ideal for battery-powered devices.
The ATTINY25 is commonly used in embedded systems, small gadgets, and IoT devices due to its balance of size, power, and capability. It is programmable using standard AVR programming interfaces, making it accessible for both hobbyists and professionals.
Key features of the ATTINY25 include:
- 2 KB of Flash memory for program storage.
- 128 bytes of SRAM and 128 bytes of EEPROM for data retention.
- 8-pin configuration, which makes it suitable for space-constrained applications.
- Rich set of peripherals including timers, ADC, and support for PWM.
- Operating voltage from 1.8V to 5.5V, making it versatile for different power environments.
- Low power consumption with multiple sleep modes, ideal for battery-powered devices.
The ATTINY25 is commonly used in embedded systems, small gadgets, and IoT devices due to its balance of size, power, and capability. It is programmable using standard AVR programming interfaces, making it accessible for both hobbyists and professionals.
Equivalent
The ATTINY25-20SU is an 8-bit microcontroller from Microchip Technology's AVR series. Equivalent products include the ATTINY45-20SUand ATTINY85-20SU which offer similar features with larger flash memory capacities. Other alternatives could be from different manufacturers, like the PIC12F series from Microchip or MSP430 series from Texas Instruments, depending on specific requirements. Ensure compatibility in terms of package, pin configuration, and performance for your application.
Features
The ATTINY25-20SU is an 8-bit microcontroller from Microchip Technology's AVR family. Key features include:
1. Core: AVR 8-bit RISC architecture, offering efficient instruction execution.
2. Speed and Voltage: Operates at up to 20 MHz with a working voltage range of 1.8V to 5.5V.
3. Memory:
- 2KB of flash memory for program storage.
- 128 bytes of SRAM.
- 128 bytes of EEPROM for non-volatile data storage.
4. I/O: 6 general-purpose I/O pins.
5. Timers: Includes an 8-bit timer/counter with PWM, and a Universal Serial Interface (USI) for communication.
6. Analog Features: 4-channel, 10-bit ADC for analog-to-digital conversion.
7. Special Features: Watchdog timer, internal/external interrupts, and programmable brown-out detection.
8. Packages: Available in surface-mount SOIC package.
9. Low Power: It supports various power-saving modes.
These features make the ATTINY25-20SU suitable for simple control applications, where size and power efficiency are critical.
1. Core: AVR 8-bit RISC architecture, offering efficient instruction execution.
2. Speed and Voltage: Operates at up to 20 MHz with a working voltage range of 1.8V to 5.5V.
3. Memory:
- 2KB of flash memory for program storage.
- 128 bytes of SRAM.
- 128 bytes of EEPROM for non-volatile data storage.
4. I/O: 6 general-purpose I/O pins.
5. Timers: Includes an 8-bit timer/counter with PWM, and a Universal Serial Interface (USI) for communication.
6. Analog Features: 4-channel, 10-bit ADC for analog-to-digital conversion.
7. Special Features: Watchdog timer, internal/external interrupts, and programmable brown-out detection.
8. Packages: Available in surface-mount SOIC package.
9. Low Power: It supports various power-saving modes.
These features make the ATTINY25-20SU suitable for simple control applications, where size and power efficiency are critical.
Pinout
The ATTINY25-20SU is an 8-bit microcontroller from Microchip Technology, part of the AVR family. It comes in an 8-pin SOIC package. Below is a concise description of the pin functions:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. PB0 (RESET/PCINT0): Pin functions include I/O, reset, and pin change interrupt.
4. PB1 (PCINT1/AIN0): General purpose I/O, pin change interrupt, and analog comparator input.
5. PB2 (SCK/ADC1/T0/PCINT2): Serial clock for SPI, ADC input, timer/counter clock input, and pin change interrupt.
6. PB3 (MISO/ADC3/INT0/PCINT3): Master Input/Slave Output for SPI, ADC input, external interrupt source, and pin change interrupt.
7. PB4 (MOSI/ADC2/T1/PCINT4): Master Output/Slave Input for SPI, ADC input, timer/counter source, and pin change interrupt.
8. PB5 (ADC0/PCINT5/CLKI): ADC input, pin change interrupt, and external clock input.
This microcontroller is suitable for applications requiring low power consumption, efficient performance, and small form factor.
1. VCC: Power supply pin.
2. GND: Ground pin.
3. PB0 (RESET/PCINT0): Pin functions include I/O, reset, and pin change interrupt.
4. PB1 (PCINT1/AIN0): General purpose I/O, pin change interrupt, and analog comparator input.
5. PB2 (SCK/ADC1/T0/PCINT2): Serial clock for SPI, ADC input, timer/counter clock input, and pin change interrupt.
6. PB3 (MISO/ADC3/INT0/PCINT3): Master Input/Slave Output for SPI, ADC input, external interrupt source, and pin change interrupt.
7. PB4 (MOSI/ADC2/T1/PCINT4): Master Output/Slave Input for SPI, ADC input, timer/counter source, and pin change interrupt.
8. PB5 (ADC0/PCINT5/CLKI): ADC input, pin change interrupt, and external clock input.
This microcontroller is suitable for applications requiring low power consumption, efficient performance, and small form factor.
Manufacturer
The ATTINY25-20SU is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company known for developing and supplying microcontroller and analog semiconductors. The company specializes in producing a wide range of integrated circuits and components that are used in a variety of electronic applications, from consumer electronics to automotive and industrial systems. Their products are integral to the operation of microcontrollers, memory products, and analog semiconductors, which are crucial for developing efficient and reliable electronic systems. Microchip is recognized for its focus on providing high-quality, innovative solutions that meet the needs of various technological industries.
Application
The ATTINY25-20SU is an 8-bit microcontroller ideal for small and simple embedded applications. Key application areas include:
1. Consumer Electronics: Used in devices such as remote controls and small appliances for basic control functions.
2. Automotive: Employed in lighting controls, keyless entry systems, and sensor interfacing.
3. Industrial: Utilized in simple automation tasks, data logging, and sensor interfacing.
4. Home Automation: Powers smart lighting systems, simple alarm systems, and other IoT-enabled devices.
5. Toys and Gadgets: Integrated into interactive toys for control and functionality.
6. Battery-Operated Devices: Ideal for use in low-power applications due to its efficiency.
Its compact size, low power consumption, and versatile I/O capabilities make it suitable for a wide range of applications.
1. Consumer Electronics: Used in devices such as remote controls and small appliances for basic control functions.
2. Automotive: Employed in lighting controls, keyless entry systems, and sensor interfacing.
3. Industrial: Utilized in simple automation tasks, data logging, and sensor interfacing.
4. Home Automation: Powers smart lighting systems, simple alarm systems, and other IoT-enabled devices.
5. Toys and Gadgets: Integrated into interactive toys for control and functionality.
6. Battery-Operated Devices: Ideal for use in low-power applications due to its efficiency.
Its compact size, low power consumption, and versatile I/O capabilities make it suitable for a wide range of applications.
Package
The ATTINY25-20SU is a microcontroller from the Atmel AVR family, housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is surface-mount, making it suitable for compact and space-constrained applications.