ATSAMD21J17A-MU

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ATSAMD21J17A-MU

IC MCU 32BIT 128KB FLASH 64QFN

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사양

Supplier Microchip Technology
Package Tray
Series SAM D21J, Functional Safety (FuSa)
ProductStatus Active
CoreProcessor ARM® Cortex®-M0+
CoreSize 32-Bit Single-Core
Speed 48MHz
Connectivity I²C, LINbus, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
NumberofI/O 52
ProgramMemorySize 128KB (128K x 8)
ProgramMemoryType FLASH
RAMSize 16K x 8
Voltage-Supply(Vcc/Vdd) 1.62V ~ 3.6V
DataConverters A/D 20x12b; D/A 1x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 64-VFQFN Exposed Pad

개요

Description

ATSAMD21J17A-MU is a Microchip/Atmel SAM D21 microcontroller. It’s a 32‑bit ARM Cortex‑M0+ MCU designed for low‑power, cost‑efficient embedded apps with USB.
Key points:
- Core/speed: Up to 48 MHz, 1.65–3.6 V operation.
- Memory: Typically 256 KB flash and 32 KB RAM (J17A variant).
- Peripherals: USB 2.0 full‑speed device, six SERCOMs for SPI/I2C/UART, 12‑bit ADC, timers, and power management features.
- Package: 32‑pin QFN (MU) with exposed pad.
- Development: Supported by Microchip Studio, MPLAB X, and Atmel START; compatible with Arduino Zero ecosystem for quick prototyping.
- Use cases: USB‑enabled, compact microcontroller suitable for USB devices, wearables, sensors, and small IoT applications.
In short: a compact, USB‑capable Cortex‑M0+ MCU with a rich peripheral set and good energy efficiency for mid‑range embedded tasks.

Features

ATSAMD21J17A-MU features (concise):
- 32‑bit ARM Cortex‑M0+ core, up to 48 MHz
- Flash: 256 KB; SRAM: 32 KB
- USB 2.0 Full‑Speed device interface
- Six SERCOM modules for UART/SPI/I2C
- 12‑bit ADC with up to 12 analog inputs
- DMAC (DMA) with multiple channels and an Event System
- Timers: multiple 16‑bit TC/TCC modules for PWM and timing
- RTC with 32.768 kHz clock
- Flexible clocking (DFLL/PLL), operates 1.6–3.6 V
- Low‑power modes: Idle, Standby, Deep Sleep
- On‑chip bootloader ROM; brown‑out detector; watchdog timer
- SWD/JTAG debug interface
- Package: MU (QFN) option
- Industrial temperature range: -40 to 85 C
These make it suitable for compact, USB-enabled, low‑power embedded applications.

Package

QFN-32 package. Specifically, ATSAMD21J17A-MU uses a 32‑pin QFN (MU) package, typically 5×5 mm.

Pinout

- Pin count: 32 pins (MU package, 32‑lead μQFN)
- Function: Microcontroller (ATSAMD21J17A) – a 32‑bit ARM Cortex‑M0+ MCU in the SAMD21 family with integrated peripherals (USB, USART/SPI/I2C, ADC, timers, etc.).

Manufacturer

Manufacturer: Microchip Technology Inc. It is an American multinational semiconductor company that designs and manufactures microcontrollers, memory, and analog ICs for embedded systems (owner of Atmel, acquired in 2016).

Application

ATSAMD21J17A-MU is a 32-bit ARM Cortex-M0+ MCU (up to 48 MHz) with 128 KB Flash, 32 KB RAM and USB device. It supports low-power modes, SERCOM, ADC/DAC, and Event System. Typical applications:
- IoT sensors and gateways
- Wearables and portable medical/fitness devices
- USB peripherals and hubs
- Home/building automation
- Small industrial controllers and data loggers
- Prototyping and education boards

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DHL은: 배송 비용은 $25-$45 (0.5kg)에서 2-5 영업일의 추정적 배달 시간이 있습니다.

FedEx는: 배송 비용은 $25-$40 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

UPS는: 배송 비용은 $25-$45 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

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EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.

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