AT91SAM9CN12-CUR

Microprocessors Overview

The AT91SAM9CN12-CUR is a 32-bit microprocessor from Microchip Technology's SAM9CN series, featuring an ARM926EJ-S core operating at 400 MHz. It utilizes a 217-LFBGA (15x15) package and supports industrial temperature ranges from -40°C to +85°C. Key specifications include 16 kB L1 instruction cache, 16 kB L1 data cache, and 32 kB internal data RAM. The device integrates hardware cryptographic acceleration for security applications and supports multiple memory controllers including LPDDR, DDR2, and SDRAM.

Microprocessors Feature Summary

• Integrated hardware cryptographic engine for secure data processing
• Supports diverse external memory interfaces including LPDDR, DDR2, and SDRAM
• Industrial temperature rating suitable for demanding environments

Microprocessors Applications

• Secure embedded control systems requiring hardware encryption
• Industrial automation controllers with robust connectivity
• Consumer electronics with high-speed data processing needs

Microprocessors Procurement Notes

Verify the specific suffix 'B' in part numbers like AT91SAM9CN12B-CUR against official datasheets, as it may indicate distinct packaging or revision differences compared to the base model. Confirm current availability status directly with authorized distributors, as stock levels fluctuate. Ensure compatibility with existing board designs regarding the 217-LFBGA footprint and voltage requirements before procurement.

Microprocessors Selection Notes

Select this component when hardware-level security features are mandatory alongside standard ARM9 performance. Compare against the AT91SAM9N12 if cryptographic capabilities are unnecessary, as the CN series adds specific security blocks. Evaluate power consumption profiles against the AT91SAM9G45 series for low-power applications. Ensure the development environment supports the Advanced Software Framework for optimal integration.

Microprocessors Part Context

This processor belongs to the SAM9CN family, designed specifically for cost-sensitive applications requiring enhanced security. It shares the ARM926EJ-S architecture with the broader SAM9 lineup but differentiates itself through integrated crypto modules. It serves as a bridge between high-performance MPU solutions and basic microcontrollers, offering significant processing power within a compact form factor.

Microprocessors Replacement Considerations

The AT91SAM9CN11-CUR is a lower-memory variant within the same family. For pin-compatible upgrades without crypto features, consider the AT91SAM9N12-CUR. No direct drop-in replacements exist outside the SAM9CN series due to unique peripheral configurations.