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ATTINY3226-MF
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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 20VQFN
- Series：tinyAVR® 2
- Mfr：Microchip Technology
- Package：Tray
- 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-MF is an 8-bit microcontroller from the tinyAVR® 2 family, featuring a 20-pin package. It integrates 32 KB of in-system self-programmable Flash memory, 3 KB of SRAM, and 256 B of EEPROM. The device operates at a maximum frequency of 20 MHz with a supply voltage range of 1.8 V to 5.5 V. Key peripherals include a 12-bit differential ADC with PGA, two USARTs, SPI, TWI, and an Event System.
Feature Summary
- Features a high-performance AVR CPU with hardware multiplier and single-cycle I/O access for efficient processing.
- Includes advanced analog capabilities with a 12-bit differential ADC equipped with a Programmable Gain Amplifier (PGA).
- Supports flexible inter-peripheral signaling through a dedicated Event System without CPU intervention.
- Provides versatile communication interfaces including dual USARTs, SPI, and TWI with multiple speed modes.
Applications
- Industrial control systems requiring robust peripheral integration
- Battery-powered devices utilizing low-power sleep modes
- Sensor interface applications leveraging the differential ADC
Procurement Notes
Verify the specific ordering suffix to confirm package type and temperature range. Ensure compatibility with existing design constraints regarding pin count and memory requirements. Cross-reference the datasheet revision to confirm feature availability and electrical characteristics before finalizing procurement decisions.
Selection Notes
Select this model when 32 KB Flash and 20 pins are required within the tinyAVR 2 family. It offers vertical migration compatibility with other family members. Consider the extended temperature range option if operating conditions exceed standard industrial limits.
Part Context
This component belongs to the tinyAVR® 2 family, designed for high performance and low power consumption. It shares architectural similarities with the ATtiny3224 and ATtiny3227, differing primarily in pin count and available I/O resources. The family supports seamless code migration across variants.
Replacement Considerations
ATtiny3224-MF and ATtiny3227-MF are pin-compatible alternatives within the same family offering different pin counts. Verify that the reduced or increased I/O resources of these substitutes meet the specific application requirements.
