ATSAML11D16A-MU

Overview

The ATSAML11D16A-MU is an ARM Cortex-M23 microcontroller from the Microchip ATSAML11 series, housed in a VQFN-24 package. It features 64 kB of Flash program memory and 16 kB of SRAM data RAM. The device operates with a maximum clock frequency of 32 MHz and includes a 12-bit ADC. It supports a supply voltage range from 900 mV to 1.2 V and functions within a temperature range of -40°C to +85°C. The component provides 17 I/O pins and integrates hardware cryptographic capabilities.

Feature Summary

• Integrates hardware cryptographic engines for secure data processing and authentication.
• Utilizes ARM Cortex-M23 core architecture optimized for low-power embedded applications.
• Supports multiple communication interfaces including SPI, UART/USART, and I2C.

Applications

• Secure IoT sensor nodes requiring on-chip encryption.
• Low-power wearable devices with strict voltage constraints.
• Authentication modules for access control systems.

Procurement Notes

Verify the specific suffix 'MU' confirms the VQFN-24 package and industrial temperature grade. Confirm RoHS compliance status through official Microchip documentation prior to integration. Ensure design compatibility with the specified 900 mV to 1.2 V operating voltage range. Check for any recent Product Change Notices affecting pinout or electrical characteristics.

Selection Notes

Select this component when ultra-low voltage operation below 1.62 V is required, distinguishing it from standard SAM L11 variants. Choose based on the need for integrated hardware crypto without external security chips. Consider the VQFN-24 footprint constraints and 17 available I/O lines against system interface requirements.

Part Context

This part belongs to the ATSAML11 family, designed specifically for high-security, low-voltage applications. It differs from the ATSAML22 series by lacking USB connectivity but offering enhanced cryptographic performance relative to its power envelope. The D16 designation indicates the specific memory configuration of 64 kB Flash and 16 kB RAM.

Replacement Considerations

ATSAML11D16A-MUT (Reel packaging variant).

FAQ

What is the maximum operating voltage for the ATSAML11D16A-MU?

The maximum operating voltage is 1.2 V, with a minimum of 900 mV.

Does this microcontroller support USB connectivity?

No, the ATSAML11D16A-MU does not include a USB peripheral; it supports SPI, I2C, and UART/USART.