Microchip Technology

ATTINY25-20SUR  

Microcontrollers

The ATTINY25-20SUR is a low-power, 8-bit microcontroller (MCU) manufactured by Microchip Technology. It belongs to the AVR Enhanced series of MCUs and is designed for a wide range of applications that require small size, low power consumption, and high performance.

Description:

The ATTINY25-20SUR features an 8-bit RISC CPU with 32 general-purpose registers, 8-bit wide registers, and a high-level instruction set that allows for efficient code execution. It operates at a frequency of 20 MHz and has 2KB of In-System Programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of RAM.

Features:

1. Low-power consumption: The ATTINY25-20SUR is designed for energy-efficient applications, with various power-saving modes such as Idle, Power-down, and Power-save.
2. In-System Programmable Flash memory: Allows for easy programming and updating of the firmware without removing the device from the circuit.
3. EEPROM: Provides non-volatile storage for user data, calibration values, or firmware updates.
4. I/O Ports: The device has 6 I/O pins that can be configured as general-purpose digital I/O or used with various peripheral functions.
5. Timers/Counters: The ATTINY25-20SUR features an 8-bit Timer/Counter with PWM and an 8-bit Timer/Counter with asynchronous mode.
6. USART: A Universal Synchronous/Asynchronous Receiver/Transmitter for serial communication.
7. ADC: A 4-channel, 10-bit Analog-to-Digital Converter for interfacing with analog sensors.
8. Internal Oscillator: An internal RC oscillator allows for operation without an external clock source.
9. Brownout Detection: Protects the device from voltage drops that may cause system resets or malfunctions.

Applications:

The ATTINY25-20SUR is suitable for a wide range of applications due to its small size, low power consumption, and versatile features. Some common applications include:

1. Battery-powered devices: Wireless sensors, remote controls, and portable electronics.
2. Industrial control: Small motor control, relay switching, and process monitoring systems.
3. Medical devices: Glucose meters, blood pressure monitors, and other portable medical equipment.
4. Consumer electronics: Toys, remote controls, and small appliances.
5. Home automation: Lighting control, thermostats, and security systems.
6. Automotive: Small control modules, sensor interfaces, and diagnostic systems.
7. Data acquisition: Collecting and processing data from various sensors in industrial or environmental monitoring applications.

The ATTINY25-20SUR's combination of low power consumption, compact size, and versatile features make it an ideal choice for a wide range of embedded systems and IoT applications.

ATTINY25-20SUR Documents

Download datasheets and manufacturer documentation for ATTINY25-20SUR

PCN Assembly/Origin :

Test Location 12/Oct/2023      

Datasheets :

ATTINY25,45,85(V) Summary       ATTINY25/45/85(V) Datasheet      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATtiny25 Development Tool Selector      

HTML Datasheet :

ATTINY25,45,85(V) Summary      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Copper Bonding Wire 17/Oct/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH