Microchip Technology ATTINY3224-SSU

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR® 2
Packaging 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)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 14-SOIC
Package / Case 14-SOIC (0.154", 3.90mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY3224-SSU is a versatile 8-bit AVR microcontroller with 32KB flash and 3KB SRAM in a 14-pin SOIC package. It operates from 1.8V to 5.5V and runs at up to 20MHz, offering ample performance for mid-range embedded tasks. Integrated brown-out detection, power-on reset, PWM, and watchdog timer ensure dependable operation in industrial and consumer environments from -40°C to 85°C.

  • Large memory (32KB flash): Supports complex applications without external storage.
  • 3KB SRAM: Enables buffering and data processing for sensor fusion.
  • Wide voltage range: Flexible power supply options from batteries or regulated rails.
  • Compact SOIC-14: Reduces board space while maintaining 20MHz performance.
  • Robust protection: BOD, POR, and WDT prevent system lockups.

Smart Home Controllers

32KB flash allows complex firmware for lighting scenes or thermostat algorithms, while PWM drives dimmers and valves.

Industrial Sensor Hubs

Multiple GPIOs and 3KB RAM enable aggregation of temperature, pressure, and flow sensors in factory automation.

Consumer IoT Devices

Low power consumption and 1.8V operation support always-on edge nodes in smart plugs or environmental monitors.

Motor Control for Drones

High-speed PWM and 20MHz processing provide precise ESC (electronic speed controller) signals for small brushless motors.

Portable Instrumentation

The SOIC-14 package and wide voltage range fit handheld multimeters or data loggers.

Automotive Body Electronics

With BOD and WDT, it reliably manages window lift or mirror adjustment modules in vehicles.

Q: What is the program memory size of the ATTINY3224-SSU?
A: It has 32KB of in-system programmable flash memory (32K x 8 bits).
Q: What is the maximum operating frequency?
A: The AVR core can run at up to 20MHz.
Q: What is the RAM capacity?
A: It includes 3KB of SRAM for data storage.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C (industrial grade).
Q: Does it support PWM?
A: Yes, it has multiple PWM channels for motor or lighting control.
Base Product Number : ATTINY3224
20MHz 32KB flash 3KB SRAM 8-bit MCU ATTINY3224 AVR industrial IoT microcontroller PWM SOIC-14
Q: What is the program memory size of the ATTINY3224-SSU?
A: It has 32KB of in-system programmable flash memory (32K x 8 bits).
Q: What is the maximum operating frequency?
A: The AVR core can run at up to 20MHz.
Q: What is the RAM capacity?
A: It includes 3KB of SRAM for data storage.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C (industrial grade).
Q: Does it support PWM?
A: Yes, it has multiple PWM channels for motor or lighting control.