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Name: ATSAMD20E16A-AUT
Brand: Microchip Technology
SKU: ATSAMD20E16A-AUT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology ATSAMD20E16A-AUT

Part No.:: ATSAMD20E16A-AUT

Manufacturer:: Microchip Technology

Package:: 32-TQFP

Datasheet:: ATSAMD20E16A-AUT.pdf

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

In Stock:: 2518

Quantity:: Add To Cart

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ATSAMD20E16A-AUT Specifications

Package/Case:
32-TQFP
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
SAM D20E
RoHS:
RoHS
Speed:
48MHz
RAM Size:
8K x 8
Core Size:
32-Bit
EEPROM Size:
-
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, WDT
Connectivity:
I²C, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
26
Core Processor:
ARM® Cortex®-M0+
Data Converters:
A/D 10x12b; D/A 1x10b
Oscillator Type:
Internal
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

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ATSAMD20E16A-AUT information

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Basic introduction and simple engineering application of ATSAMD20E16A-AUT

ATSAMD20E16A-AUT is a microcontroller chip developed by Microchip Technology, belonging to the SAM D20 series. It is built around an ARM Cortex-M0+ CPU core, offering high performance and low power consumption, making it suitable for a wide range of embedded applications.

Introduction:

The ATSAMD20E16A-AUT microcontroller features 16KB of flash memory, 2KB of SRAM, and various integrated peripherals, including analog-to-digital converters (ADCs), digital-to-analog converters (DACs), timers/counters, and communication interfaces such as UART, SPI, and I2C.

Application Scenario:

In this tutorial, we will explore a simple project using the ATSAMD20E16A-AUT microcontroller to build a basic temperature monitoring system.

Project Overview:

In this project, we will interface a temperature sensor with the ATSAMD20E16A-AUT microcontroller to measure ambient temperature. The measured temperature will be displayed on an LCD screen for real-time monitoring.

Components Required:

- ATSAMD20E16A-AUT microcontroller board

- Temperature sensor (e.g., LM35 or TMP36)

- LCD display module

- Breadboard and jumper wires

Experimental Setup:

1. Connect the temperature sensor to one of the analog input pins of the ATSAMD20E16A-AUT microcontroller, such as pin PA0. Ensure proper voltage dividers or signal conditioning circuits if required.

2. Connect the LCD display module to the microcontroller. Use appropriate GPIO pins for data and control signals.

Programming:

Write firmware code to read the analog voltage from the temperature sensor, convert it to temperature using the sensor's calibration parameters, and display the result on the LCD screen.

Example Code:

 #include 
#include "sam.h"

#define ADC_RESOLUTION 4096
#define VREF_INT 1.0
#define TEMP_SENSOR_PIN PIN_PA0

void init_adc(void)
{
// Initialize ADC peripheral
// Configure ADC reference voltage to internal reference (1.0V)
ADC->REFCTRL.reg = ADC_REFCTRL_REFSEL_INTVCC1;
// Enable temperature sensor
ADC->INPUTCTRL.reg |= ADC_INPUTCTRL_MUXPOS_TEMP;
// Enable ADC
ADC->CTRLA.reg |= ADC_CTRLA_ENABLE;
while (ADC->STATUS.reg & ADC_STATUS_SYNCBUSY);
}

uint16_t read_temperature(void)
{
// Start ADC conversion
ADC->SWTRIG.reg |= ADC_SWTRIG_START;
while (!(ADC->INTFLAG.reg & ADC_INTFLAG_RESRDY));

arduino
Copy code
// Read ADC result
uint16_t result = ADC->RESULT.reg;

// Convert ADC result to temperature in Celsius
float voltage = (result * VREF_INT) / ADC_RESOLUTION;
float temperature = (voltage - 0.5) * 100;

return (uint16_t)temperature;


}

int main(void)
{
SystemInit();
init_adc();

scss
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while (1)
{
    uint16_t temperature = read_temperature();
    printf("Temperature: %d°C\n", temperature);
    delay_ms(1000); // Delay for 1 second
}

return 0;


}

Conclusion:

In this tutorial, we have introduced the ATSAMD20E16A-AUT microcontroller and demonstrated its application in a simple temperature monitoring project. By interfacing with a temperature sensor and an LCD display, we can create various embedded systems for temperature sensing and control applications.

Further Exploration:

Explore additional features and peripherals of the ATSAMD20E16A-AUT microcontroller, such as PWM for motor control or communication interfaces for IoT applications.

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(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 ATSAMD20E16A-AUT.

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