Microchip Technology ATMEGA328P-MMHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.73 | $2.73 |
| 15+ | $2.64 | $39.60 |
| 25+ | $2.58 | $64.50 |
| 50+ | $2.44 | $122.00 |
| 100+ | $2.15 | $215.00 |
| N+ | $0.43 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 | 23 |
| 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 | 28-VQFN (4x4) |
| Package / Case | 28-VFQFN Exposed Pad |
| ROHS |  |
The ATMEGA328P-MMHR is a high-performance 8-bit AVR microcontroller from Microchip Technology. It features 32KB flash, 2KB SRAM, and operates from 1.8V to 5.5V at 20MHz. Housed in a 28-VFQFN package, it includes PWM, WDT, and brown-out detection, making it a popular choice for embedded systems and IoT devices.
- Large 32KB flash for complex programs.
- Ultra-low voltage operation (1.8V) for battery designs.
- Exposed pad QFN improves heat dissipation.
- Industry-standard AVR core with extensive tool support.
Prototyping and Maker Projects
32KB flash and 2KB RAM support complex firmware in Arduino-compatible designs.
IoT Sensor Nodes
1.8V operation and sleep modes enable long-life battery-powered environmental monitoring.
Robotics Controllers
PWM outputs and 20MHz speed drive servo and DC motors with precise timing.
Automotive Aftermarket
Wide temperature range and BOR make it suitable for engine control add-ons.
Medical Wearables
Low power consumption and small QFN package fit compact health monitoring devices.
Home Automation Hubs
Rich I/O and serial interfaces manage lighting, locks, and climate sensors.
- Q: What is the flash memory size?
- A: 32KB, sufficient for complex Arduino-compatible applications.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, supporting low-power and standard logic levels.
- Q: What package is this variant?
- A: 28-VFQFN with exposed pad for improved thermal performance.
- Q: Does it support PWM?
- A: Yes, multiple PWM channels are available for motor and LED control.
ATMEGA328P-MMHR.pdf
- Q: What is the flash memory size?
- A: 32KB, sufficient for complex Arduino-compatible applications.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, supporting low-power and standard logic levels.
- Q: What package is this variant?
- A: 28-VFQFN with exposed pad for improved thermal performance.
- Q: Does it support PWM?
- A: Yes, multiple PWM channels are available for motor and LED control.
