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Name: ATMEGA328P-MMHR
Brand: Microchip Technology
SKU: ATMEGA328P-MMHR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology ATMEGA328P-MMHR

Part No.:: ATMEGA328P-MMHR

Manufacturer:: Microchip Technology

Package:: 28-VFQFN Exposed Pad

Datasheet:: ATMEGA328P-MMHR.pdf

Description:: IC MCU 8BIT 32KB FLASH 28VQFN

In Stock:: 3405

Quantity:: Add To Cart

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ATMEGA328P-MMHR Specifications

Package/Case:
28-VFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
AVR® ATmega
RoHS:
RoHS
Speed:
20MHz
RAM Size:
2K x 8
Core Size:
8-Bit
EEPROM Size:
1K x 8
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:
I²C, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
23
Core Processor:
AVR
Data Converters:
A/D 8x10b
Oscillator Type:
Internal
Program Memory Size:
32KB (16K x 16)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

ATMEGA328P-MMHR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ATMEGA328P-MMHR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ATMEGA328P-MMHR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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ATMEGA328P-MMHR information

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ATMEGA328P-MMHR Typical application Circuitry

ATMEGA328P-MMHR

ATMEGA328P-MMHR is an 8-bit microcontroller in Atmel's AVR series, renowned for its efficiency and adaptability. This microcontroller is designed for applications requiring compact size but robust processing capabilities. It's widely used in portable devices, embedded systems, IoT gadgets, and DIY electronics projects.

Application Scenario: Portable Health Monitoring Device

An excellent application for the ATMEGA328P-MMHR is in a portable health monitoring device, capable of tracking vital signs like heart rate, temperature, and blood oxygen levels.

Key Features of ATMEGA328P-MMHR

- High-Speed CPU: Operates at up to 20 MHz.

- Memory: Consists of 1 KB of EEPROM, 2 KB of SRAM, and 32 KB of flash memory.

- I/O Flexibility: Provides 6 analog input pins and 23 digital I/O pins.

- Communication Protocols: Supports SPI, I2C, and UART interfaces.

Circuit Connection Details

1. Power Supply: Connect the VCC pin of ATMEGA328P-MMHR to a 3.3V power source and the GND pin to the ground.

2. Heart Rate Sensor Integration: Attach a heart rate sensor to an analog input pin (like A0) for measuring the pulse.

3. Temperature Sensor Connection: Interface a digital temperature sensor (such as the DS18B20) to a digital I/O pin (e.g., PD2).

4. Oxygen Saturation Sensor: Connect an SpO2 sensor to another analog pin (e.g., A1) for blood oxygen level monitoring.

5. Display Interface: Connect an OLED display via I2C (SDA, SCL pins) for real-time data visualization.

6. Programming Interface: Use the ISP (In-System Programming) interface, involving connections to MISO, MOSI, SCK, and RESET pins.

Programming Pins

- MISO (Master In Slave Out): For data reception during programming.

- Master Out Slave In (MOSI): Used to transmit data during programming.

- SCK (Serial Clock): Provides the clock for SPI communication during programming.

- RESET: Activates the microcontroller's programming mode.

Design Considerations

- Stable Power Management: Ensure that the power source is reliable and suitable for portable usage.

- Sensor Accuracy: Choose sensors that provide precise and reliable readings.

- Compact and Efficient Design: Maintain functionality while optimizing the layout for a small form factor.

- User Interface Usability: Design the display interface to be clear and user-friendly.

In summary, ATMEGA328P-MMHR is highly suitable for developing a portable health monitoring device, with careful attention to these detailed circuit design and connection guidelines.

ATMEGA328P-MMHR FAQ

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3. Are the ATMEGA328P-MMHR price and inventory displayed accurate?

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6. What is the process for return or replacement of ATMEGA328P-MMHR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ATMEGA328P-MMHR we delivered, we will accept the replacement or return of the ATMEGA328P-MMHR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of ATMEGA328P-MMHR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations