Microchip Technology

ATTINY461-20SU  

Microcontrollers

The ATTINY461-20SU is a low-power, 8-bit microcontroller (MCU) from Microchip Technology's TinyAVR series. It is designed for a wide range of applications that require small form factor, low power consumption, and high performance. Here's a detailed description of the ATTINY461-20SU, its features, and potential applications:

Description:

The ATTINY461-20SU is a surface-mount, 20-pin microcontroller based on the enhanced AVR RISC architecture. It features an 8MHz internal oscillator and operates at a supply voltage range of 2.7V to 5.5V. The device is available in a small-outline package (SOIC) and is RoHS-compliant, making it suitable for environmentally friendly applications.

Features:

1. CPU Core: Enhanced low-power AVR RISC architecture for efficient code execution.
2. Memory: 4KB In-System Programmable Flash (ISP) with Read-While-Write (RWW) capability, 256 bytes In-System Programmable EEPROM, and 256 bytes SRAM.
3. I/O: 20 I/O lines with optional hardware interrupts, allowing for flexible pin usage.
4. Power Management: Sleep modes to reduce power consumption, including Power-down, Power-save, and Idle modes.
5. Clock System: Internal 8MHz oscillator with calibration, and an external clock source option.
6. Peripherals: 8-bit Timer/Counter with PWM and Phase-Corrected PWM modes, USART, and Internal Voltage Reference.
7. Security: JTAG interface for debugging and programming, and a unique serial number for device identification.
8. Package: 20-pin SOIC package, suitable for surface-mount applications.

Applications:

1. Sensor Applications: The ATTINY461-20SU can be used in sensor nodes for data acquisition, processing, and communication in IoT devices.
2. Control Systems: Ideal for small-scale control systems, such as motor control, HVAC systems, and home automation.
3. Portable Devices: Due to its low power consumption, the ATTINY461-20SU is suitable for battery-powered devices like fitness trackers, smart watches, and portable medical devices.
4. Industrial Automation: Can be used in industrial control systems for monitoring and controlling various processes.
5. Data Loggers: The EEPROM feature makes it suitable for data logging applications, such as temperature or humidity monitoring.
6. Security Systems: Can be used in access control systems, alarm systems, and other security-related applications.
7. RF Communication: With its USART and low power consumption, it can be used in RF communication modules for wireless applications.

The ATTINY461-20SU's combination of low power consumption, small form factor, and versatile features make it a popular choice for a wide range of embedded applications.

ATTINY461-20SU Documents

Download datasheets and manufacturer documentation for ATTINY461-20SU

Datasheets :

ATtiny261/461/861(V) Complete       ATtiny261/461/861(V) Summary      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

ATtiny461 Development Tool Selector      

HTML Datasheet :

ATtiny261/461/861(V) Complete       ATtiny261/461/861(V) Summary      

PCN Design/Specification :

Marking Chgs 11/Jul/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH