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ATSAMD11D14A-MNT

MCHPATSAMD11D14A-MNT

Microchip Technology
ARM Microcontrollers - MCU 24 QFN,105C, GREEN,1.6-3.6V,48MHz,USB
10,066 in stock
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Overview

The ATSAMD11D14A-MNT is a compact, low-power 32-bit ARM Cortex-M0+ microcontroller designed for simple USB device applications. Operating at up to 48MHz with 16KB of Flash and 4KB of RAM, it provides a cost-effective entry point for modern ARM-based designs in a small 24-pin QFN package. Its integrated USB 2.0 full-speed interface allows for easy implementation of HID, CDC, and custom USB protocols without an external crystal.

Why Choose This Part

The SAM D11 stands out for its crystal-less USB operation, which reduces total BOM cost and PCB footprint. It includes an Event System that allows peripherals to communicate without CPU intervention, improving power efficiency and response time. The wide 1.62V to 3.63V operating range and low-power SleepWalking technology make it a strong candidate for battery-powered USB devices.

Applications

USB Peripheral Bridges
Ideal for creating USB-to-UART or USB-to-I2C adapters due to its integrated 12Mbps USB device interface.
Capacitive Touch Interfaces
Utilizes the built-in peripheral touch controller to support buttons, sliders, and wheels in consumer devices.
Small Form-Factor Controllers
The 4mm x 4mm QFN package fits into space-constrained designs such as smart keys or wearable accessories.
USB Dongles and Keys
Small memory footprint and low power modes make it suitable for security keys and authentication hardware.

Key Specifications

Speed 48MHz
RAM Size 4K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, POR, WDT
Connectivity I2C, LINbus, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 22
Core Processor ARM Cortex-M0+
Package / Case 24-VFQFN Exposed Pad
Data Converters A/D 10x12b; D/A 1x10b
Oscillator Type Internal
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 24-QFN (4x4)
Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.63V

Getting Started

Engineers can begin development using the Microchip SAM D11 Xplained Pro evaluation kit and the Microchip Studio or MPLAB X IDE. The part supports programming and debugging via the Serial Wire Debug (SWD) interface. Extensive software libraries and USB stacks are available through the Atmel Software Framework (ASF) to accelerate USB device development.

Part of SAM Microcontrollers family » SAMD11D

SAMD11D Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number I/O Pins Package ADC/DAC Temp Range Stock
ATSAMD11D14A-MNT (this part) 22 VFQFN-24 A/D 10x12b; D/A 1x.. -40degC ~ 105degC .. 10,066
ATSAMD11D14A-MUT 22 VFQFN-24 A/D 10x12b; D/A 1x.. -40degC ~ 85degC (.. 10,931
ATSAMD11D14A-SSUT 18 SOIC-20 A/D 8x12b; D/A 1x10b -40degC ~ 85degC (.. 6,149

Also Consider

ATSAMD11D14A-SSUT MCHPMicrochip Technology - The SOIC-20 package variant for easier prototyping and lower-cost PCB manufacturing.

Categories

Microcontrollers > ARM Cortex-M0 / M0+ Microcontrollers > Microchip Consumer Electronics > USB & Charging Wearables & Medical > Ultra-Low Power MCUs