Microchip Technology

ATTINY861-20MU  

Microcontrollers

The ATTINY861-20MU is a low-power, 8-bit microcontroller (MCU) manufactured by Microchip Technology. It is part of the AVR Enhanced series and is designed for a wide range of applications that require low power consumption, high performance, and small form factor.

Description:

The ATTINY861-20MU features an 8-bit AVR CPU with a 20 MHz maximum operating frequency. It is available in a 20-pin, 3.2 mm x 3.2 mm μDFN (Micro Dual Flat No-Leads) package, making it suitable for space-constrained applications.

Features:

1. CPU: 8-bit AVR enhanced RISC architecture with 16 x 16-bit registers.
2. Clock Speed: Up to 20 MHz.
3. Memory:
   • Flash Memory: 8 KB.
   • SRAM: 512 bytes.
   • EEPROM: 512 bytes.
4. I/O: 17 I/O lines with optional hardware interrupts.
5. Power Management: Sleep modes to reduce power consumption during periods of inactivity.
6. Peripherals:
   • USART with IrDA support.
   • Two-wire Serial Interface (TWI).
   • SPI Interface.
   • 8-bit Timer/Counter with PWM.
   • 8-channel 10-bit ADC.
   • Programmable Watchdog Timer.
   • On-chip Debug System with JTAG and Serial Wire Debug (SWD) interface.
7. Security: JTAG and SPI programming interface protected by a unique 128-bit key.
8. Operating Voltage: 1.8V to 5.5V.
9. Operating Temperature: -40°C to +85°C.

Applications:

1. Battery-powered devices: Due to its low power consumption, the ATTINY861-20MU is suitable for applications like wireless sensors, portable electronics, and wearable devices.
2. Industrial control: The ATTINY861-20MU can be used in control systems for small machines, actuators, and motor control applications.
3. Home automation: It can be used in smart home devices, such as lighting control, thermostats, and security systems.
4. Medical devices: The low-power and small form factor make it suitable for portable medical equipment, like glucometers and blood pressure monitors.
5. Toys and games: The ATTINY861-20MU can be used in simple electronic toys, remote-controlled devices, and game controllers.
6. Automotive: It can be used in automotive applications, such as window control, door locks, and tire pressure monitoring systems.

The ATTINY861-20MU is a versatile and efficient microcontroller that can be used in a wide range of applications where low power consumption, small form factor, and high performance are required.

ATTINY861-20MU Documents

Download datasheets and manufacturer documentation for ATTINY861-20MU

PCN Assembly/Origin :

Mult Devices Assembly 20/Aug/2018      

Datasheets :

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

PCN Packaging :

Boxes 07/Dec/2016       MBB/Label Chgs 16/Nov/2018      

PCN Other :

MSL3 to MSL1 05/Apr/2013      

Design Resources :

ATtiny861 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