ATSAMD21J18A-AF

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ATSAMD21J18A-AF

IC MCU 32BIT 256KB FLASH 64TQFP

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Specifications

Series SAM D21J, Functional Safety (FuSa)
Part Status Active
DigiKey Programmable Not Verified
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit Single-Core
Speed 48MHz
Connectivity I2C, LINbus, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 52
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
RAM Size 32K x 8
Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.6V
Data Converters A/D 20x12b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Supplier Device Package 64-TQFP (10x10)
Package / Case 64-TQFP
Base Product Number ATSAMD21
Grade Automotive
Qualification AEC-Q100

Overview

Description

The ATSAMD21J18A-AF is a microcontroller from Microchip's SAM D21 series, featuring an ARM Cortex-M0+ core. It operates at a maximum clock speed of 48 MHz and offers 256 KB of flash memory and 32 KB of SRAM, making it suitable for various applications, including IoT, wearable devices, and consumer electronics.
Key features include:
- Low Power Consumption: Designed for battery-operated devices with various sleep modes.
- Peripheral Support: Includes digital and analog peripherals such as ADCs, DACs, SPI, I2C, UART, and PWM outputs.
- Connectivity Options: Compatible with various communication protocols, enabling connectivity solutions.
- Development Support: Supported by the Atmel Studio and various IDEs, facilitating ease of programming and debugging.
The ATSAMD21J18A-AF is popular for its efficiency, versatility, and extensive ecosystem, making it an excellent choice for developers looking to implement advanced functionalities in compact designs.

Features

The ATSAMD21J18A-AF is a microcontroller from Microchip's SAM D21 series, based on the ARM Cortex-M0+ architecture. Key features include:
- Core: 32-bit ARM Cortex-M0+ processor running at up to 48 MHz.
- Flash Memory: 256 KB of Flash memory for code storage.
- RAM: 32 KB of SRAM for data operations.
- I/O Ports: 38 programmable I/O pins.
- Communication Interfaces: Integrated peripherals including I2C, SPI, USART, and USB 2.0.
- ADC: 12-bit Analog-to-Digital Converter with up to 13 channels.
- DAC: 12-bit Digital-to-Analog Converter.
- Timers: Multiple 16-bit timers/counters for various timing applications.
- Low Power Modes: Designed for low power consumption, suitable for battery-operated devices.
- Operating Voltage: 1.62V to 3.63V.
- Temperature Range: -40°C to +85°C.
This microcontroller is ideal for applications in IoT, wearable devices, and other embedded systems.

Package

The ATSAMD21J18A-AF is packaged in a QFN (Quad Flat No-lead) package, specifically a 48-pin QFN. This compact package type provides efficient thermal performance and is suitable for space-constrained applications.

Pinout

The ATSAMD21J18A-AF is a microcontroller from Microchip's SAM D21 series, featuring a total of 48 pins. It operates at a maximum clock frequency of 48 MHz and includes a range of peripherals suitable for various applications.
Pin Functions:
- Digital I/O: 24 general-purpose I/O pins.
- Analog Inputs: 12 ADC channels.
- Communication Interfaces:
- 1 USART (Universal Synchronous/Asynchronous Receiver/Transmitter)
- 1 SPI (Serial Peripheral Interface)
- 1 I2C (Inter-Integrated Circuit)
- Timers: 6 16-bit timers.
- PWM: 12 PWM outputs.
- Debugging: SWD (Serial Wire Debug) interface.
- Power Management: Supports multiple sleep modes and can operate from a wide voltage range (1.62V to 3.63V).
The microcontroller is suitable for low-power applications, making it ideal for battery-operated devices and IoT applications.

Manufacturer

The ATSAMD21J18A-AF is manufactured by Microchip Technology Inc., an American-based company that specializes in microcontroller and analog semiconductor products. Founded in 1989, Microchip is known for its extensive range of microcontrollers and development tools, catering primarily to the embedded systems market. The company serves various industries, including automotive, industrial, consumer electronics, and IoT applications. Microchip is recognized for its focus on innovation, reliability, and customer support, positioning itself as a key player in the semiconductor industry.

Application

The ATSAMD21J18A-AF is a low-power microcontroller used in various applications, including wearable devices, IoT sensors, home automation, industrial control, and robotics. Its features, such as a 32-bit ARM Cortex-M0+ core, multiple I/O interfaces, and low power consumption, make it ideal for battery-operated and energy-efficient designs. Additionally, it supports various communication protocols like UART, SPI, and I2C, enhancing its versatility in embedded systems.

Equivalent

Equivalent products to the ATSAMD21J18A-AF chip include the Microchip ATSAMD21G18A and ATSAMD21E18A, as they share similar architecture and features within the SAM D21 series. Additionally, you may consider the NXP LPC802 and STM32F0 series, which offer comparable ARM Cortex-M0 capabilities, depending on your specific application needs, such as peripherals and memory size. Always verify compatibility for your project requirements.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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