ATSAMD21E16C-UUT

Overview

The ATSAMD21E16C-UUT is an ARM-based microcontroller from the Microchip SAMD21 series, featuring an ARM Cortex-M0+ core. It integrates 64 kB of Flash program memory and 8 kB of SRAM data RAM. The device supports a maximum clock frequency of 48 MHz and operates within a supply voltage range of 1.62 V to 3.63 V. It provides 26 general-purpose I/O pins and includes a 12-bit ADC with 10 channels. Communication interfaces include I2C, I2S, LIN, SPI, and USART. The component is housed in a 35-ball WLCSP package and is qualified under AEC-Q100 standards for automotive applications.

Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards
• Integrated 12-bit analog-to-digital converter with multiple input channels
• Supports multiple serial communication protocols including SPI, I2C, and USART
• Compact wafer-level chip scale packaging for space-constrained designs

Applications

• Automotive electronic control units requiring AEC-Q100 compliance
• Industrial sensor nodes utilizing serial communication interfaces
• Portable battery-powered devices operating on low voltage supplies
• Consumer electronics requiring compact form factor microcontrollers

Procurement Notes

Verify the specific ordering suffix and temperature grade against the manufacturer's current datasheet before procurement. Confirm that the WLCSP-35 package requires appropriate reflow soldering profiles compatible with wafer-level chip scale packages. Ensure that the AEC-Q100 qualification status meets the specific reliability requirements of the target application environment. Cross-reference the part number with official Microchip distribution channels to confirm availability and authenticity.

Selection Notes

Select this component when an automotive-qualified MCU with moderate memory capacity is required. The 64 kB Flash and 8 kB RAM suit applications with complex logic but limited code size. The 48 MHz speed balances processing performance with power consumption. Consider the 35-ball WLCSP package constraints regarding PCB layout and thermal management during selection.

Part Context

This microcontroller belongs to the SAMD21 family, which utilizes the ARM Cortex-M0+ architecture. The family offers various memory configurations and package options. The 'E' designation typically indicates a specific pin count and peripheral set within the series. The 'UUT' suffix denotes the specific tape and reel packaging format and temperature rating provided by the manufacturer.

FAQ

Is the ATSAMD21E16C-UUT qualified for automotive applications?

Yes, the component is AEC-Q100 qualified, making it suitable for automotive electronic systems.

What is the maximum operating voltage for this microcontroller?

The maximum supply voltage is 3.63 V, with a minimum operating voltage of 1.62 V.