AT91SAM9CN12B-CUR

The AT91SAM9CN12B-CUR from Microchip Technology is a 32‑bit embedded microprocessor based on the ARM926EJ‑S core running up to 400 MHz. It combines a high‑performance CPU with integrated display controllers, multiple high‑speed peripheral interfaces and flexible memory support for industrial embedded applications.

Designed for industrial use, the device targets human‑machine interfaces, secure embedded controllers and connectivity‑centric systems where integrated USB, SDIO and a broad range of memory interfaces reduce system complexity while supporting secure boot and cryptographic acceleration.

Key Features

• Core and Performance ARM926EJ‑S 32‑bit processor running up to 400 MHz with instruction and data caches and an MMU for efficient execution of embedded operating systems and applications.
• Memory Subsystem On‑chip 128 Kbyte ROM (standard or secure bootstrap option) and 32 Kbyte SRAM, plus external memory support including LPDDR, LPDDR2, DDR2, SDR and SRAM via a 32‑bit External Bus Interface.
• Display and User Interface Integrated LCD controller and resistive touchscreen controller for building compact HMI solutions.
• Connectivity and Peripherals Multiple serial interfaces including UARTs, SPI, I2C, two USB 2.0 ports (host and device) and SDIO for high‑speed peripheral and storage connectivity.
• Security and Cryptography On‑chip hardware accelerators with DMA support for AES (up to 256‑bit) and FIPS‑180‑2 compliant SHA1/SHA256, plus a True Random Number Generator and fuse‑based crypto key support; the SAM9CN12 variant includes a secure Boot ROM.
• System Architecture Multi‑layer internal bus running up to 133 MHz, an eight‑channel DMA controller and a six‑layer AHB bus matrix to sustain data throughput between CPU, memory and high‑speed peripherals.
• Power Management and Low‑Power Modes Integrated power‑management features including clock gating, shutdown controller and battery backup registers for reduced consumption in standby and backup operation.
• Package and Industrial Grade Surface‑mount 217‑LFBGA (15×15) package and industrial operating temperature range of −40 °C to 85 °C.
• Additional Interfaces External Bus Interface (EBI/EMI) and NAND controller with support for multilevel cell (MLC/SLC) NAND and programmable multibit ECC for robust mass storage integration.

Typical Applications

• Industrial HMI and Control Panels Integrated LCD and resistive touchscreen controllers with extensive I/O and memory support make the device suitable for graphical human‑machine interfaces in industrial environments.
• Secure Embedded Systems Secure Boot ROM (SAM9CN12), hardware crypto accelerators and a TRNG support secure boot, key generation and authenticated communications for protected devices.
• Connectivity Gateways and Peripherals Dual USB 2.0, SDIO and multiple serial buses enable gateway, hub and peripheral controller designs requiring high data‑rate links.
• Data Logging and Storage Appliances NAND controller with PMECC and wide external memory support allow reliable local storage and data buffering for embedded data‑acquisition systems.

Unique Advantages

• Integrated Secure Boot and Crypto: The SAM9CN12 includes a secure Boot ROM plus AES and SHA accelerators and a TRNG to simplify implementation of secure systems and cryptographic workflows.
• Flexible Memory Options: Native support for LPDDR/LPDDR2/DDR2/SDR and SRAM plus a 32‑bit external bus lets designers choose memory optimized for cost, performance and capacity.
• High I/O and Connectivity Density: Multiple serial interfaces, two USB 2.0 ports and SDIO provide comprehensive peripheral connectivity from a single device, reducing BOM and board complexity.
• Real‑World Robustness: Industrial temperature rating (−40 °C to 85 °C) and a compact 217‑LFBGA package enable deployment in demanding embedded environments.
• Efficient System Throughput: A 133 MHz multi‑layer bus, eight DMA channels and distributed memory architecture sustain simultaneous processor and peripheral activity for responsive system performance.
• Power Management Features: Clock gating, shutdown controller and backup registers provide options to minimize power during idle and preserve state for battery‑backed systems.

Why Choose AT91SAM9CN12B-CUR?

The AT91SAM9CN12B-CUR delivers a balanced combination of processor performance, on‑chip security and rich peripheral integration for industrial embedded systems. Its ARM926EJ‑S core at up to 400 MHz, integrated display and connectivity features, and flexible memory interfaces make it suitable for designs that require secure boot, robust storage options and comprehensive I/O in a single MPU.

Backed by Microchip Technology, this device is positioned for developers and OEMs building industrial HMIs, secure controllers and connectivity gateways who need a compact, industrial‑rated MPU with hardware crypto, DMA‑assisted throughput and multiple low‑power options.

Request a quote or submit an inquiry to obtain pricing and lead‑time information for the AT91SAM9CN12B-CUR and discuss how it fits your next embedded design.