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ATTINY826-MUR
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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 20VQFN
- Series：tinyAVR® 2
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：18
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：FLASH
- EEPROM Size：128 x 8
- RAM Size：1K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 15x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-VQFN (3x3)
- Package / Case：20-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATtiny826-MUR is a microcontroller from the tinyAVR 2 family, featuring an AVR CPU with hardware multiplier running at up to 20 MHz. It includes 8 KB of Flash memory, 1 KB of SRAM, and 128 B of EEPROM. The device is housed in a 20-pin VQFN package (suffix M) and operates within an industrial temperature range of -40°C to +85°C (suffix U). It supports single-pin UPDI programming and offers various peripherals including ADC, USART, SPI, and TWI.
Feature Summary
- High-performance low-power AVR CPU with two-cycle hardware multiplier
- Integrated Event System for inter-peripheral signaling
- Configurable Custom Logic with programmable Look-Up Tables
- 12-bit differential ADC with Programmable Gain Amplifier
Applications
- Industrial control systems requiring robust I/O capabilities
- Battery-powered devices utilizing low-power sleep modes
- Sensor interfaces leveraging high-resolution ADC and PGA
- Communication nodes using USART, SPI, or TWI protocols
Procurement Notes
Verify the complete part number against official Microchip documentation to ensure correct package, temperature grade, and tape/reel configuration. Confirm that the 'M' suffix denotes VQFN packaging and 'U' indicates the -40°C to +85°C operating range. Ensure compatibility with existing design constraints regarding pin count and peripheral availability before procurement.
Selection Notes
Select this component when 8 KB of program memory and 1 KB of SRAM are sufficient for application logic. The 20-pin form factor provides a balance between I/O count and board space. Consider the integrated analog features and event system if complex peripheral interactions without CPU intervention are required. Verify voltage supply requirements align with the 1.8V to 5.5V operational range.
Part Context
This device belongs to the tinyAVR 2 family, which shares architectural similarities with other members like ATtiny426 and ATtiny827. Vertical migration within the family allows code reuse across different pin counts and memory sizes. The ATtiny826 specifically targets applications needing moderate performance with enhanced analog capabilities compared to smaller variants.
Replacement Considerations
Compatible substitutes include ATtiny824 and ATtiny827, provided pinout and peripheral requirements match. Ensure the replacement maintains the same package type or adapts to available footprints. Verify that memory sizes and speed grades meet or exceed original specifications.
