Microchip Technology ATMEGA324PA-MCHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.03 | $5.03 |
| 15+ | $4.87 | $73.05 |
| 25+ | $4.76 | $119.00 |
| 50+ | $4.50 | $225.00 |
| 100+ | $3.97 | $397.00 |
| N+ | $0.79 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | NULL |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-QFN (5x5) |
| Package / Case | 44-VQFN Dual Rows, Exposed Pad |
| ROHS |  |
The Microchip ATMEGA324PA-MCHR is a 44-VQFN AVR microcontroller running at up to 20MHz. It features 32KB flash and 2KB SRAM, with a supply range of 1.8V to 5.5V. Integrated Brown-out Detect/Reset, POR, PWM, and WDT make it a robust choice for industrial and IoT applications.
- 20MHz AVR core delivers high throughput for real-time control.
- 32KB flash and 2KB SRAM balance code size and data handling.
- 1.8V-5.5V supply supports low-power and standard 5V systems.
- 44-VQFN with exposed pad improves thermal dissipation.
- Brown-out detection prevents data corruption during voltage dips.
Robotics Motor Controllers
20MHz AVR with 2KB SRAM handles PID loops and PWM generation for multi-motor robots.
Smart Home Gateways
32KB flash stores protocol stacks for Zigbee or Z-Wave bridging in home automation hubs.
Portable Medical Devices
1.8V-5.5V operation and low-power modes enable battery-powered glucose meters and pulse oximeters.
Industrial Data Loggers
With 44 pins, it interfaces with SD cards and sensors while Brown-out detection ensures data integrity.
Automotive Sensor Modules
Operating at -40°C to 85°C, it processes pressure and temperature signals in engine bay modules.
Consumer IoT Endpoints
VQFN package and rich peripherals support environmental monitoring devices with wireless connectivity.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash memory is available?
- A: It has 32KB (16K x 16) of program flash.
- Q: What is the package type?
- A: It comes in a 44-VQFN dual-row package with exposed pad.
- Q: Does it support PWM?
- A: Yes, it includes PWM, Brown-out Detect/Reset, POR, and WDT.
ATMEGA324PA-MCHR.pdf
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash memory is available?
- A: It has 32KB (16K x 16) of program flash.
- Q: What is the package type?
- A: It comes in a 44-VQFN dual-row package with exposed pad.
- Q: Does it support PWM?
- A: Yes, it includes PWM, Brown-out Detect/Reset, POR, and WDT.
