ATSAM4SD16BB-MNR

Overview

The ATSAM4SD16BB-MNR is a 32-bit microcontroller from the Microchip SAM4S series, built on an ARM Cortex-M4 core. It features 1MB of in-system programmable flash memory and 256KB of SRAM. The device operates at clock speeds up to 120MHz with a supply voltage range of 1.62V to 3.6V. It integrates multiple communication interfaces including USB, SPI, I2C, UART/USART, SSC, IrDA, and SD/MMC card support. Additional peripherals include DMA, PWM, WDT, POR, and brown-out detection/reset circuits.

Feature Summary

• High-performance 32-bit ARM Cortex-M4 RISC processor core
• Large memory capacity with 1MB Flash and 256KB SRAM
• Comprehensive connectivity suite including Full-Speed USB and external bus interface
• Integrated analog-to-digital and digital-to-analog converters

Applications

• Industrial control systems requiring robust processing
• Consumer electronics with multimedia capabilities
• Medical devices needing precise analog signal processing
• Security and access control applications

Procurement Notes

Verify the specific suffix 'MNR' corresponds to the 64-QFN package and tape-and-reel orientation as documented in the official datasheet. Confirm that the assembly site and moisture sensitivity level align with your manufacturing requirements. Ensure compatibility with the intended operating temperature range before finalizing procurement orders.

Selection Notes

Select this component when high code density and low power consumption are critical alongside substantial memory resources. The inclusion of an external bus interface allows for flexible expansion with parallel peripherals. Consider the pin count and package size constraints relative to other SAM4S variants if board space is limited.

Part Context

This part belongs to the SAM4S family of mid-range microcontrollers designed for general-purpose applications. It shares architectural similarities with other SAM4S devices but offers specific memory and peripheral configurations tailored for complex embedded tasks. The series emphasizes efficiency in power handling and external peripheral management.

Replacement Considerations

Consult the official SAM4S Series Datasheet for verified cross-reference part numbers. Substitutions must match the core architecture, memory size, and package type to ensure functional equivalence without redesigning the hardware.