ATMEGA324P-20AU
- Mfr.Part #
- ATMEGA324P-20AU
- Manufacturer
- Microchip Technology
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 44TQFP
- Stock
- 17,668
- In Stock :
- 17,668
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Core Processor :
- AVR
- Product Status :
- Active
- Number of PWM Channels :
- 6
- Bit Size :
- 8
- Supplier Device Package :
- 44-TQFP (10x10)
- Device Core :
- AVR
- Factory Lead Time :
- 14 Weeks
- Number of I/O Lines :
- 32
- Mounting Type :
- Surface Mount
- Package Shape :
- Square
- Number of Pins :
- 44
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Family Name :
- ATMEGA
- ROM (words) :
- 16384
- DAC Channels :
- No
- Height :
- 1.05mm
- ROM Programmability :
- Flash
- Program Memory Type :
- Flash
- Terminal Form :
- Gull wing
- Instruction Set Architecture :
- RISC
- REACH SVHC :
- No SVHC
- Manuf. code :
- MCP
- Published :
- 1997
- Number of I/Os :
- 32 I/O
- Operating Temperature :
- -40°C~85°C TA
- Power Supplies :
- 3/5 V
- Terminal Finish :
- Matte Tin (Sn)
- Oscillator Type :
- Internal
- Length :
- 10.1mm
- Mount :
- Surface Mount
- Base Part Number :
- ATMEGA324P
- EEPROM Size :
- 1K x 8
- Watchdog Timer :
- yes
- Has ADC :
- yes
- Packaging :
- Tray
- Supply Voltage-Max (Vsup) :
- 5.5V
- Max. operating temperature :
- +85°C
- Interfaces :
- I2C, SPI, UART
- Data Bus Width :
- 8B
- Additional Feature :
- IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V
- Supply Current-Max :
- 9 mA
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Data Converters :
- A/D 8x10b
- JESD-609 Code :
- e3
- Product Type :
- 8-bit Microcontrollers - MCU
- RAM (bytes) :
- 2048
- MSL :
- MSL 3 - 168 hours
- PWM Channels :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Brand :
- Microchip Technology / Atmel
- Speed :
- 20MHz
- Seated Height-Max :
- 1.2 mm
- Connectivity :
- I2C, SPI, UART/USART
- Dimensions :
- 10.1 x 10.1 x 1.05mm
- Reach Compliance Code :
- Compliant
- Tradename :
- AVR
- RoHS Status :
- ROHS3 Compliant
- Package Type :
- TQFP
- Supply Voltage :
- 5V
- Number of Terminals :
- 44
- Number of ADC Channels :
- 8
- Enclosure :
- TQFP 44 (10x10)
- Number of I2C Channels :
- 1
- Product Category :
- 8-bit Microcontrollers - MCU
- Terminal Position :
- QUAD
- Pin Count :
- 44
- Address Bus Width :
- 8B
- Series :
- AVR® ATmega
- RAM Size :
- 2K x 8
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of I/O :
- 32
- Type :
- ATMEGA324P-20AU
- Number of Timers/Counters :
- 3
- Width :
- 10.1mm
- Package :
- Tray
- Peak Reflow Temperature (Cel) :
- 260
- Qualification Status :
- Not Qualified
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Pbfree Code :
- yes
- Mounting Style :
- SMD/SMT
- Radiation Hardening :
- No
- DMA Channels :
- No
- Density :
- 256 kb
- Minimum Operating Temperature :
- -40 °C
- CPU Family :
- AVR RISC
- RoHS :
- Details
- Access Time :
- 20 μs
- Interface :
- 2-Wire, I2C, SPI, UART, USART
- Number of Terminations :
- 44
- Interface Type :
- 2-Wire, JTAG, SPI, USART
- Casing :
- TQFP 44
- Manufacturer :
- Microchip Technology
- Memory Size :
- 32kB
- Program Memory Size :
- 32KB 16K x 16
- JESD-30 Code :
- S-PQFP-G44
- Temperature Grade :
- Industrial
- Core Size :
- 8-Bit
- Product :
- MCU
- Data Converter :
- A/D 8x10b
- Qualification :
- -
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Frequency :
- 20MHz
- Maximum Operating Temperature :
- +85 °C
- Surface Mount :
- yes
- Package / Case :
- 44-TQFP
- Terminal Pitch :
- 0.8 mm
- Base Product Number :
- ATMEGA324
- Lead Free :
- Lead Free
- Supply Voltage-Min (Vsup) :
- 4.5V
- Datasheets
- ATMEGA324P-20AU
ATMEGA324P-20AU Documents

Microcontrollers Microchip Technology ATMEGA324P-20AU Overview
The ATMEGA324P-20AU from Microchip Technology is a robust microcontroller unit (MCU) that combines high-performance, low-power consumption, and a wide array of features in a compact 44TQFP package. This microcontroller is designed to meet the demanding requirements of modern embedded systems. It offers a substantial 32KB of in-system programmable flash and operates efficiently with an advanced RISC architecture. The ATMEGA324P-20AU is ideal for applications requiring complex and multiple tasks, making it a preferred choice for developers and engineers looking to enhance their systems with reliable and versatile MCU solutions.
ATMEGA324P-20AU Features
The ATMEGA324P-20AU microcontroller is packed with features designed for an extensive range of applications. It includes 32KB ISP flash memory, 1KB EEPROM, and 2KB SRAM. It supports a clock speed of up to 20MHz and operates across a voltage range of 1.8V to 5.5V, providing flexibility in power-sensitive applications. The MCU also features multiple communication interfaces, including USART, SPI, and I2C, enabling easy integration with peripheral devices. Additional functionalities like a 10-bit ADC, multiple PWM channels, and a watch-dog timer enhance its utility in complex control systems.
ATMEGA324P-20AU Applications
- Industrial Automation: In industrial control systems, the ATMEGA324P-20AU can manage sensor data integration and real-time machine operation controls, offering reliable performance under demanding conditions.
- Smart Home Devices: Utilized in smart home technology, this MCU enables the control and communication among various home automation devices, providing efficient and scalable solutions.
- Automotive: Suitable for automotive applications, the ATMEGA324P-20AU helps in monitoring automotive sensors and controlling vehicle functions, ensuring enhanced safety and performance.
- Consumer Electronics: In consumer electronics, such as portable gadgets, the MCU plays a critical role in power management and device interfacing, offering a seamless user experience.
- Medical Devices: This microcontroller is also applicable in medical monitoring systems where precision and reliability are crucial for patient care and data accuracy.
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