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ATTINY3226-MFR
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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB 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, 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：Internal
- Operating Temperature：-40°C ~ 125°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 ATtiny3226-MFR is an 8-bit microcontroller from the tinyAVR® 2 family, featuring a 20-pin package. It includes 32 KB of Flash memory, 3 KB of SRAM, and 256 B of EEPROM. The device operates at a maximum clock frequency of 20 MHz with a supply voltage range of 1.8 V to 5.5 V. Key peripherals include a 12-bit ADC with PGA, two USARTs, SPI, TWI, and an Event System.
Feature Summary
- Features a high-performance AVR CPU with hardware multiplier running up to 20 MHz
- Includes a 12-bit differential ADC with Programmable Gain Amplifier (PGA) for accurate analog conversion
- Supports flexible inter-peripheral signaling via an integrated Event System
- Provides versatile communication interfaces including dual USART, SPI, and TWI
Applications
- Industrial control systems requiring robust I/O and communication capabilities
- Battery-powered devices utilizing low-power sleep modes and efficient architecture
- Sensor interface applications benefiting from high-resolution ADC and programmable gain
- Automotive electronics using AEC-Q100 qualified variants
Procurement Notes
Verify the specific ordering suffix to confirm package type and temperature range. Ensure compatibility with existing design constraints regarding pin count and peripheral availability. Confirm that the selected variant meets the required industrial or automotive qualification standards if applicable.
Selection Notes
Select this model when 32 KB of program memory and 18 general-purpose I/O pins are required in a 20-pin form factor. Consider the ATtiny3224 or ATtiny3227 for vertical migration within the same family without code modification. Evaluate power consumption requirements against the available sleep modes and oscillator options.
Part Context
This component belongs to the tinyAVR® 2 family, designed for enhanced performance and low power consumption. It shares architectural similarities with other members like the ATtiny3224 and ATtiny3227, allowing for easy migration across different pin counts while maintaining feature compatibility.
Replacement Considerations
ATtiny3224-MFR
FAQ
What is the maximum operating frequency of the ATtiny3226?
The ATtiny3226 can operate at a maximum frequency of 20 MHz.
Does the ATtiny3226 support vertical migration within its family?
Yes, it is fully pin and feature compatible with other devices in the tinyAVR® 2 family, such as the ATtiny3224 and ATtiny3227.
