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ATTINY3224-SSFR
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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 14SOIC
- 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：12
- 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 9x12b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The ATtiny3224-SSFR is an 8-bit microcontroller from the tinyAVR® 2 family, featuring a high-performance AVR CPU with hardware multiplier running at up to 20 MHz. It includes 32 KB of in-system self-programmable Flash memory, 3 KB of SRAM, and 256 B of EEPROM. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports industrial (-40°C to +85°C) and extended (-40°C to +125°C) temperature ranges. It provides 12 general-purpose I/O pins in a 14-pin SOIC package.
Feature Summary
- Features a flexible low-power architecture with an Event System for CPU-independent inter-peripheral signaling.
- Includes advanced analog peripherals such as a 12-bit differential ADC with Programmable Gain Amplifier (PGA).
- Supports vertical migration without code modification due to full pin and feature compatibility within the family.
Applications
- Industrial control systems requiring robust peripheral interfaces.
- Battery-powered devices utilizing low-power sleep modes.
- Automotive applications using AEC-Q100 qualified variants.
Procurement Notes
Verify the specific ordering suffix 'SSFR' corresponds to the required 14-pin SOIC package and Tape & Reel carrier type. Confirm that the selected speed grade aligns with the intended operating voltage and temperature range. Ensure the variant matches standard or automotive (VAO) requirements based on application needs.
Selection Notes
Select this component when 32 KB of program memory and 12 I/O pins are sufficient for the design. Consider the 12-bit ADC and event system for signal processing tasks. Evaluate the need for extended temperature ratings if operating conditions exceed industrial limits.
Part Context
This part belongs to the tinyAVR® 2 family, which offers enhanced performance over previous generations through a single-cycle I/O access architecture and two-level interrupt controller. The family supports horizontal and vertical migration, allowing designers to scale pin counts and memory sizes while maintaining software compatibility.
Replacement Considerations
ATtiny3226-SSFR: Offers 18 I/O pins and 20-pin packages. ATtiny3227-MUR: Provides 22 I/O pins and 24-pin packages. These parts maintain pin and feature compatibility for upward migration.
