AT91SAM9CN12-CU

The AT91SAM9CN12-CU is a 32-bit microprocessor based on the ARM926EJ-S core, running at up to 400 MHz in a compact 217-LFBGA (15×15) surface-mount package. It targets embedded and industrial applications that require a combination of user-interface capabilities, high-data-rate connectivity and on-chip security features.

Designed for systems that integrate displays, storage and multiple connectivity options, this device delivers a high level of integration—including memory controllers for modern DRAM types, USB Host/Device support and hardware cryptographic accelerators—while supporting operation across an industrial temperature range.

Key Features

• Core & performance — ARM926EJ-S 32-bit core running up to 400 MHz with 16 KB instruction cache and 16 KB data cache and an MMU for protected execution.
• Memory & storage — Internal 128 Kbyte ROM and 32 Kbyte SRAM; 32-bit External Bus Interface supporting LPDDR, LPDDR2, DDR2, SDR and SRAM; integrated MLC/SLC NAND controller with programmable multibit ECC.
• Peripherals & display — Integrated LCD controller and resistive touchscreen support, multiple UARTs, SPI, I2C and SDIO for flexible peripheral connectivity.
• USB & connectivity — Two USB 2.0 full-speed interfaces (Host and Device) with on-chip transceivers for high-rate peripheral connectivity.
• Security & crypto — On-chip hardware accelerators supporting AES (up to 256-bit) and FIPS 180-2 compliant SHA1/SHA256, a True Random Number Generator (TRNG), fuse bits for crypto key storage, and a secure Boot ROM specific to the SAM9CN12 device.
• DMA & bus architecture — Multi-layer internal bus architecture with an 8-channel DMA controller to sustain high bandwidth between processor, memory and peripherals.
• Power & clock — Integrated power management features including clock gating, internal oscillators and a shutdown controller to optimize power in active and standby modes.
• Package & operating range — 217-LFBGA (15×15) surface-mount package, Industrial grade with operating temperature range −40 °C to 85 °C; RoHS compliant.

Typical Applications

• Industrial HMI and control panels — Drives LCD displays and resistive touch interfaces while handling real-time control and peripheral communication.
• Secure embedded systems — Secure Boot ROM, TRNG and hardware crypto accelerators enable authenticated firmware and protected data operations.
• Storage and data-processing appliances — External memory support (DDR/LPDDR and NAND) plus PMECC for robust flash storage and high-throughput data handling.
• Connectivity gateways and USB hubs — Dual USB 2.0 interfaces, SDIO and multiple serial/peripheral buses support USB, SD and serial connectivity roles.

Unique Advantages

• Integrated security stack: Secure Boot ROM, TRNG and hardware AES/SHA accelerators reduce external security components and simplify secure design.
• Flexible memory interfacing: Support for LPDDR/DDR2/SDR and NAND with built-in ECC allows designers to choose memory media that match capacity and performance needs.
• High integration for UI and connectivity: Built-in LCD controller, touch support and multiple I/O buses consolidate system functions and reduce BOM complexity.
• Industrial reliability: Industrial-grade operating temperature range (−40 °C to 85 °C) and RoHS compliance support deployment in demanding environments.
• Performance with deterministic data paths: Multi-layer bus and an 8-channel DMA controller maintain high data throughput between peripherals and memory.
• Compact package for dense designs: 217-LFBGA (15×15) surface-mount package enables space-efficient PCB layouts.

Why Choose AT91SAM9CN12-CU?

The AT91SAM9CN12-CU combines a proven ARM926EJ-S core running at 400 MHz with a comprehensive set of peripherals, memory interfaces and on-chip security features. Its integration of display, storage and connectivity functions makes it well suited to embedded designs that demand both user-interface capabilities and secure, high-speed data handling.

Choose this device for industrial embedded applications where performance, integration and security are required within a compact, RoHS-compliant package and where operation across −40 °C to 85 °C is needed. The combination of flexible external memory support and dedicated hardware accelerators provides a scalable platform for long-lived product designs.

Request a quote or submit an inquiry to check availability and pricing for the AT91SAM9CN12-CU and to discuss how it can fit your embedded design requirements.