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ATTINY3226-XUR
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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 20SSOP
- Series：tinyAVR® 2
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：I2C, IrDA, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：18
- Program Memory Size：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：3K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 15x12b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SSOP
- Package / Case：20-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The ATtiny3226-XUR is a member of the tinyAVR® 2 family, featuring an enhanced AVR CPU with hardware multiplier operating at up to 20 MHz. It provides 32 KB Flash, 3 KB SRAM, and 256B EEPROM in a 20-pin package. The device includes a 12-bit differential ADC with PGA, Event System, CCL, RTC, TCA, TCB, USART, SPI, and TWI interfaces. Supply voltage ranges from 1.8V to 5.5V. The -XUR suffix indicates a TSSOP package with industrial temperature range (-40°C to +85°C) and Tape & Reel carrier.
Feature Summary
- Enhanced AVR CPU architecture with single-cycle I/O access and two-level interrupt controller
- Flexible analog features including 12-bit differential ADC with Programmable Gain Amplifier
- Event System for CPU-independent inter-peripheral signaling without software intervention
- Configurable Custom Logic (CCL) with four programmable Look-Up Tables
Applications
- Low-power sensor nodes
- Battery-operated devices
- Industrial control systems
- Smart home appliances
Procurement Notes
Verify the specific ordering suffix matches the required package type and temperature grade. Confirm that the Tape & Reel configuration aligns with automated assembly requirements. Ensure compatibility with existing design constraints regarding pin count and peripheral availability before finalizing procurement.
Selection Notes
Select this model when 20 pins and 32 KB Flash are required within the tinyAVR 2 family. Consider vertical migration capabilities for code reuse across the series. Evaluate speed grades against supply voltage and temperature conditions to ensure optimal performance margins.
Part Context
Part of the tinyAVR 2 family, offering horizontal and vertical migration paths. Compatible with other devices in the series through shared architecture and memory mapping. Supports standard development tools and debug interfaces common to the AVR ecosystem.
Replacement Considerations
ATtiny3224-XUR: Reduced pin count and peripherals. ATtiny3227-XUR: Increased pin count and peripherals. Verify pinout compatibility and feature set alignment for direct substitution.
