Microchip Technology ATMEGA328P-MMHR Microcontrollers
IC MCU 8BIT 32KB FLASH 28VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA328P-MMHR
Base Model
Detailed Description
IC MCU 8BIT 32KB FLASH 28VQFN
Package
28-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATMEGA328P-MMHR Datasheet
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Technical Specifications
Microchip Technology ATMEGA328P-MMHR Microcontrollers technical specifications.
General
RAM Size
2K x 8
Package / Case
28-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
23
Speed
20MHz
EEPROM Size
1K x 8
Core Processor
AVR
Alternate Parts Comparison (ATMEGA328P-MMHR vs ATMEGA328P-PU DIP28 vs ATMEGA328P-ANR vs ATMEGA328P-MNR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-VFQFN Exposed Pad | 28-DIP | 32-TQFP | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Data Converters | A/D 8x10b | A/D 6x10b | A/D 8x10b | A/D 8x10b |
| EEPROM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| Oscillator Type | Internal | External, Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Action |
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