ATSAM4SD32CB-CN

Overview

The ATSAM4SD32CB-CN is a 32-bit microcontroller from the Microchip SAM4S series, built on the ARM Cortex-M4 core. It operates at a maximum frequency of 120 MHz and integrates 2 MB of Flash memory with 320 KB of SRAM. The device features 79 I/O pins and supports a supply voltage range of 1.62 V to 3.6 V. Connectivity includes USB Full-Speed Device Port, SPI, SSC, UART/USART, I2C, and EBI/EMI interfaces. It houses sixteen 12-bit ADC channels and two 12-bit DACs. Operating temperatures span from -40°C to +105°C in a 100-TFBGA package.

Feature Summary

• Integrates dual-bank Flash implementation with cache memory for efficient code execution.
• Includes a dedicated Trusted Platform Module (TPM) interface for hardware security.
• Supports direct memory access (DMA) for high-speed peripheral data transfers.
• Features an internal oscillator and comprehensive analog-to-digital conversion capabilities.

Applications

• Trusted Platform Module (TPM) implementations
• Smart energy metering systems
• Industrial control applications
• Secure communication devices

Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature grade. Confirm RoHS compliance status and REACH registration details prior to integration. Ensure design compatibility with the 100-TFBGA footprint and thermal requirements. Validate that the selected variant meets all functional specifications for the target application environment.

Selection Notes

Select this component when high-performance processing combined with robust security features is required. The large memory capacity supports complex firmware and data logging. Verify interface availability matches system connectivity needs. Consider the operating temperature range for environmental suitability. Evaluate power consumption profiles against system battery or supply constraints.

Part Context

This part belongs to the SAM4S family of ARM-based microcontrollers designed for performance-critical embedded applications. The series emphasizes security and connectivity, making it suitable for smart grid and industrial automation. It shares architectural similarities with other SAM4 variants but offers distinct memory and peripheral configurations tailored for specific market segments.

Replacement Considerations

Consult official cross-reference guides for compatible alternatives within the SAM4S or SAM4C families. Verify pinout compatibility and memory size equivalence before substitution. Ensure peripheral sets match application requirements to avoid redesign efforts.