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ATTINY861-20SU
+BOMIC MCU 8BIT 8KB FLASH 20SOIC
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ManufacturerMicrochip Technology
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Mfr. Part #ATTINY861-20SU
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Datasheet ATTINY861-20SU DataSheet
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In Stock6474
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Specifications
| Attribute | Value |
| Series | AVR® ATtiny |
| Part Status | Active |
| Digi Key Programmable | Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 16 |
| Program Memory Size | 8KB (4K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 11x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-SOIC |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Base Product Number | ATTINY861 |
Overview
Description
Key specifications include 8 KB of Flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM. It supports a wide operating voltage range from 1.8V to 5.5V, making it versatile for various applications. The ATTINY861-20SU features 16 general-purpose I/O pins, allowing flexibility in interfacing with external components.
It boasts a rich set of peripherals, including a 10-bit ADC, multiple PWM channels, and a Universal Serial Interface (USI) for communication. The device supports several power-saving modes, enhancing its suitability for battery-powered projects.
Housed in a compact SOIC-20 package, the ATTINY861-20SU is ideal for space-constrained applications. Its robust architecture and diverse functionality make it well-suited for use in automotive, industrial, and consumer electronics.
Equivalent
1. Microchip PIC12F1501 - Another microcontroller with similar features.
2. STM8S003F3P6 - From STMicroelectronics, offering comparable performance.
3. NXP LPC81x Series - ARM Cortex-M0+ microcontrollers with similar capabilities.
4. Silicon Labs EFM8LB1 - Low-energy 8-bit microcontroller series.
Always verify the specific requirements like pin configuration, memory, and peripherals before considering substitutes.
Features
- Core: AVR 8-bit RISC architecture for efficient processing.
- Speed: Operates at up to 20 MHz.
- Memory: 8KB flash memory, 512B SRAM, and 512B EEPROM for data storage.
- I/O Pins: 12 general-purpose I/O pins for interfacing with external components.
- Timers: Two 8-bit and one 16-bit timer/counters for precise timing operations.
- Communication: Supports SPI, USI (Universal Serial Interface), and TWI (Two-Wire Interface) for flexible communication options.
- Analog: 11-channel, 10-bit ADC for analog signal processing.
- PWM: Supports six PWM channels for motor control or other applications requiring pulse-width modulation.
- Low-Power Modes: Multiple sleep modes to conserve power in battery-operated devices.
- Package: Available in a 20-pin SOIC package for compact designs.
These features make the ATTINY861-20SU ideal for small, power-sensitive applications where performance and flexibility are required.
Pinout
This microcontroller features:
- 20 pins, which include:
- 16 I/O pins that can be used for various functions such as digital input/output, analog inputs, and PWM outputs.
- Power supply pins (VCC and GND).
- Reset pin, which can also be used as a general-purpose I/O pin if the reset function is not required.
The primary functions of the ATTINY861-20SU include:
- CPU Core: 8-bit AVR with RISC architecture.
- Flash Memory: 8 KB for program storage.
- SRAM: 512 bytes for data storage.
- EEPROM: 512 bytes for non-volatile data storage.
- Clock Speed: Up to 20 MHz.
- Peripherals: Includes features like timers/counters, ADC (Analog to Digital Converter), USI (Universal Serial Interface), and more for versatile applications.
This microcontroller is suitable for applications requiring compact size and efficient power consumption, such as consumer electronics, automotive infotainment systems, and other embedded systems.
Manufacturer
Application
1. Embedded Systems: Used in small-scale embedded applications like home automation and consumer electronics.
2. Motor Control: Suitable for controlling motors and servos in robotics and industrial systems.
3. Sensor Interfaces: Acts as an interface for sensors in IoT devices and environmental monitoring systems.
4. Power Management: Employed in power management and battery-operated devices due to its efficient low-power modes.
5. LED Control: Used in lighting applications for controlling LED brightness and color.
6. Communication Devices: Facilitates communication in UART, SPI, and I2C protocols for networked devices.