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Name: ATMEGA88PA-MMHR
Brand: Microchip Technology
SKU: ATMEGA88PA-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 ATMEGA88PA-MMHR

Part No.:: ATMEGA88PA-MMHR

Manufacturer:: Microchip Technology

Package:: 28-VFQFN Exposed Pad

Datasheet:: ATMEGA88PA-MMHR.pdf

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

In Stock:: 3416

Quantity:: Add To Cart

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ATMEGA88PA-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:
1K x 8
Core Size:
8-Bit
EEPROM Size:
512 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:
8KB (4K x 16)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

ATMEGA88PA-MMHR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ATMEGA88PA-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 ATMEGA88PA-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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ATMEGA88PA-MMHR information

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ATMEGA88PA-MMHR Typical application Circuitry

ATMEGA88PA-MMHR

The ATMEGA88PA-MMHR is an integral member of the ATmega series developed by Microchip Technology, known for its robust performance in embedded systems, energy efficiency, and flexibility. This microcontroller is particularly lauded for its ability to operate across a wide voltage range, from 1.8V to 5.5V, making it versatile across various power configurations.

1. Power Supply Connection: To power the ATMEGA88PA-MMHR, the VCC pin(s) must be directly connected to a supply within the 1.8V to 5.5V range, ensuring the GND pin(s) are properly grounded. A critical step in stabilizing the power supply involves placing a 100nF ceramic decoupling capacitor adjacent to each VCC-GND pair, effectively reducing power supply fluctuations and electromagnetic noise.

2. Clock Source Flexibility: The ATMEGA88PA-MMHR is designed to accommodate diverse timing requirements through the support of both internal and external clock sources. For applications demanding high precision, an external crystal oscillator can be connected to the XTAL1 and XTAL2 pins, along with two 22pF capacitors tied to ground, tailored to the oscillator's specifications. The microcontroller also features an adjustable internal RC oscillator for applications with relaxed timing precision, modifiable via fuse settings.

3. Reset Circuit Design: Ensuring the ATMEGA88PA-MMHR's reliability necessitates a secure reset circuit. This includes the attachment of a 10kΩ pull-up resistor to the RESET pin to guarantee a default high signal and a 100nF capacitor between the RESET pin and ground to mitigate inadvertent resets caused by electrical disturbances.

4. Input/Output Pin Arrangement: The ATMEGA88PA-MMHR offers an array of digital I/O pins, which can be programmed for input or output functionalities. For input settings, external resistors are recommended to secure a defined state when the pins are otherwise unengaged. Analog input pins should be connected directly to their signal sources, ensuring that the signal voltage does not surpass the VCC level to prevent microcontroller damage.

5. Serial Communication Linking: Establishing UART, SPI, and I2C communication requires precise connection of respective pins (TX and RX for UART; MOSI, MISO, SCK for SPI; SDA, SCL for I2C) to the target devices or another microcontroller, facilitating uninterrupted data transfer.

6. Programming Interface via SPI: The programming of the ATMEGA88PA-MMHR is facilitated through its SPI interface, utilizing the MOSI, MISO, SCK, and RESET pins. These should be connected to an ISP (In-System Programmer) that is voltage-compatible with the microcontroller, avoiding potential damage during the firmware update process.

7. External Component Integration: For the inclusion of external interrupts or precise timing functions, the ATMEGA88PA-MMHR can be expanded with additional components. External interrupt sources should be connected to the INTx pins, and external timing sources to the ICP or Tn pins, depending on the specific functional requirements.

8. PCB Layout Guidelines: The PCB design for the ATMEGA88PA-MMHR requires careful planning to ensure signal integrity and minimize interference. This includes using concise, direct traces for essential connections like clock signals and analog inputs, creating a ground plane for reduced noise, and separating analog and digital sections to diminish digital noise impact on analog circuits.

The ATMEGA88PA-MMHR exemplifies Microchip Technology's commitment to innovation in the embedded systems sector, providing a comprehensive suite of features and adaptable design options. This microcontroller demonstrates the company's focus on delivering advanced, high-performance solutions that meet the diverse needs of embedded applications.

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6. What is the process for return or replacement of ATMEGA88PA-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 ATMEGA88PA-MMHR we delivered, we will accept the replacement or return of the ATMEGA88PA-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 ATMEGA88PA-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