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ATTINY3224-SSU
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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 14SOIC
- Series：tinyAVR® 2
- Mfr：Microchip Technology
- Package：Tube
- 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：Internal
- Operating Temperature：-40°C ~ 85°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-SSU is a member of the tinyAVR® 2 family, featuring an 8-bit AVR CPU with hardware multiplier and up to 20 MHz operation. It provides 32 KB Flash, 3 KB SRAM, and 256 B EEPROM in a 14-pin SOIC package (suffix SS). The device supports a supply voltage range of 1.8 V to 5.5 V and operates within -40°C to +85°C. Key peripherals include a 12-bit differential ADC with PGA, two USARTs, SPI, TWI, four CCL LUTs, one TCA, two TCBs, and an RTC.
Feature Summary
- Features a high-performance low-power architecture with single-cycle I/O access and vectored interrupts.
- Includes advanced analog capabilities such as a 12-bit differential ADC with Programmable Gain Amplifier.
- Supports flexible inter-peripheral signaling through a dedicated Event System.
- Offers versatile communication interfaces including dual USARTs, SPI, and TWI.
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 'SS' corresponds to the 14-pin SOIC package type. Confirm that the temperature grade matches industrial requirements (-40°C to +85°C). Ensure compatibility with the UPDI programming interface for development and production programming workflows.
Selection Notes
Select this model for designs requiring 32 KB of program memory and 14 pins. It is suitable for applications needing multiple serial interfaces and precise analog conversion. Consider pin count limitations compared to the 20-pin or 24-pin variants if more GPIOs are required.
Part Context
This component belongs to the tinyAVR® 2 family, which emphasizes vertical migration compatibility across different pin counts and memory sizes. The ATtiny3224 shares architectural features with the ATtiny3226 and ATtiny3227, differing primarily in package options and available I/O pins.
Replacement Considerations
The ATtiny3224-SSU is functionally compatible with other members of the tinyAVR® 2 family, such as the ATtiny3226 and ATtiny3227, provided pin count and package constraints are addressed. Code migration between these devices typically requires no modification due to feature compatibility.
