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Name: ATSAML21J17B-AUT
Brand: Microchip Technology
SKU: ATSAML21J17B-AUT
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 ATSAML21J17B-AUT

Part No.:: ATSAML21J17B-AUT

Manufacturer:: Microchip Technology

Package:: 64-TQFP

Datasheet:: ATSAML21J17B-AUT.pdf

Description:: IC MCU 32BIT 128KB FLASH 64TQFP

In Stock:: 3869

Quantity:: Add To Cart

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ATSAML21J17B-AUT Specifications

Package/Case:
64-TQFP
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
SAM L21J, Functional Safety (FuSa)
RoHS:
RoHS
Speed:
48MHz
RAM Size:
16K x 8
Core Size:
32-Bit
EEPROM Size:
-
Part Status:
Active
Peripherals:
DMA, POR, PWM, WDT
Connectivity:
I²C, LINbus, SCI, SPI, UART/USART, USB
Mounting Type:
Surface Mount
Number of I/O:
51
Core Processor:
ARM® Cortex®-M0+
Data Converters:
A/D 20x12b; D/A 2x12b
Oscillator Type:
Internal
Program Memory Size:
128KB (128K x 8)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

ATSAML21J17B-AUT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ATSAML21J17B-AUT 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 ATSAML21J17B-AUT 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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ATSAML21J17B-AUT information

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Basic introduction and simple engineering application of ATSAML21J17B-AUT

ATSAML21J17B-AUT is a microcontroller designed for low-power and high-performance applications. It features an ARM Cortex-M0+ core, various peripherals, and advanced power management capabilities, making it suitable for a range of embedded projects.

Application Scenario:

In educational projects, this microcontroller can be used to build simple weather stations that measure and display environmental data such as temperature and humidity.

Circuit Design:

To create a weather station using ATSAML21J17B-AUT, follow these steps:

1. Sensor Connection:

Connect a temperature and humidity sensor, such as the DHT11, to one of the digital input/output pins of this microcontroller, such as pin PA04. Ensure proper signal conditioning and pull-up resistors are used as required by the sensor specifications.

2. Display Integration:

Connect an LCD display, like a 16x2 character display, to the microcontroller using the I2C interface. Utilize pins PA08 and PA09 for the I2C communication, and ensure the appropriate pull-up resistors are in place on the I2C lines.

3. Data Logging:

Implement data logging by connecting an SD card module to the SPI interface of the ATSAML21J17B-AUT. Use pins PA16 (MISO), PA17 (MOSI), PA18 (SCK), and PA19 (CS) for the SPI connection, ensuring proper voltage levels for the SD card.

4. Power Management:

Provide stable power supply to the system by using a 3.3V voltage regulator. Ensure decoupling capacitors are placed near the power pins of the ATSAML21J17B-AUT to minimize noise and provide stable operation.

5. Firmware Development:

Write firmware to initialize the peripherals, read data from the sensor, display it on the LCD, and log it to the SD card. Utilize low-power modes of the ATSAML21J17B-AUT to extend battery life in portable applications.

Considerations:

When designing this project, consider the following:

- Sensor Accuracy: Calibrate the sensor to ensure accurate readings of temperature and humidity.

- Data Integrity: Implement error-checking mechanisms when logging data to the SD card to ensure data integrity.

- User Interface: Design a simple and intuitive user interface to display data and navigate through different functionalities.

- Power Efficiency: Utilize the low-power features of the ATSAML21J17B-AUT to reduce power consumption and extend battery life.

- Environmental Protection: If the weather station is to be used outdoors, ensure it is housed in a weatherproof enclosure to protect the electronics from moisture and dust.

ATSAML21J17B-AUT FAQ

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3. Are the ATSAML21J17B-AUT price and inventory displayed accurate?

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6. What is the process for return or replacement of ATSAML21J17B-AUT?

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 ATSAML21J17B-AUT we delivered, we will accept the replacement or return of the ATSAML21J17B-AUT 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 ATSAML21J17B-AUT.

(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