ATSAM4SD32CB-ANR

Overview

The ATSAM4SD32CB-ANR is a 32-bit microcontroller from the SAM4SD series, manufactured by Microchip Technology. It integrates an ARM Cortex-M4 core operating at a maximum frequency of 120 MHz. The device features 32 MB of embedded Flash memory and 512 kB of SRAM. It includes a hardware security module for cryptographic operations and supports multiple communication interfaces including USB, SPI, I2C, and USART. The component operates within a voltage range of 1.62 V to 3.6 V and is available in a 100-pin TFBGA package.

Feature Summary

• Integrates a dedicated hardware security module for secure key storage and cryptographic acceleration.
• Features dual-bank Flash memory architecture with cache support for efficient code execution.
• Includes a full-speed USB 2.0 device port with on-chip transceiver capabilities.
• Supports advanced low-power modes including sleep and backup states for energy optimization.

Applications

• Secure element implementations requiring trusted platform module functionality
• Industrial control systems demanding high-performance processing and robust security
• Smart metering applications utilizing secure data transmission protocols
• Medical devices requiring encrypted data integrity and protection

Procurement Notes

Verify the specific suffix ANR against official Microchip documentation to confirm tape-and-reel packaging and extended temperature grade specifications. Ensure compatibility with existing PCB footprints for the 100-TFBGA package. Confirm moisture sensitivity level handling requirements during assembly to prevent damage. Cross-reference the latest datasheet revision for any errata or pinout adjustments prior to final design approval.

Selection Notes

Select this model when a balance of high-capacity memory and hardware-based security is required. The 32 MB Flash accommodates complex firmware and large datasets. The integrated security module reduces reliance on external secure elements. Consider the 120 MHz performance for real-time signal processing tasks. Evaluate power consumption profiles against system battery life requirements.

Part Context

This component belongs to the SAM4SD family, which extends the standard SAM4S series with enhanced security features. It shares architectural similarities with other Cortex-M4 based MCUs but distinguishes itself through the inclusion of a dedicated security processor. The series targets applications where data confidentiality and integrity are critical operational requirements.

Replacement Considerations

ATSAM4SD32CA-AU

FAQ

Does the ATSAM4SD32CB-ANR include a hardware security module?

Yes, it integrates a dedicated hardware security module for secure key storage and cryptographic operations.

What is the maximum operating frequency of the core?

The ARM Cortex-M4 core operates at a maximum frequency of 120 MHz.