AT91SAM9G45C-CU

The AT91SAM9G45C-CU is a single-core, 32-bit microprocessor based on the ARM926EJ-S core running at 400 MHz. It combines a high-performance application processor with integrated user-interface peripherals and high-data-rate connectivity, targeting embedded and industrial designs that require display, storage and networked I/O.

With integrated memory controllers, multiple high-speed interfaces and an industrial temperature grade, the SAM9G45 provides a compact, surface-mount solution in a 324-TFBGA package for space-constrained system designs.

Key Features

• Core ARM926EJ-S 32-bit processor core operating at 400 MHz with instruction and data caches and MMU for embedded application needs.
• Memory Support Controllers for DDR2, LPDDR, SDR/ LPSDR, NAND Flash with ECC and SRAM; includes internal 64-Kbyte SRAM configurable as tightly coupled memory and a 64-Kbyte internal ROM for bootstrap routines.
• Display & Camera Integrated LCD controller supporting STN and TFT displays up to 1280×860 and an ITU-R BT.601/656 image sensor interface for camera input and touchscreen support.
• Connectivity 10/100 Mbps Ethernet MAC plus multiple USB 2.0 interfaces (device high speed, host high speed and host full speed) and two high-speed memory card hosts (SDIO/SDCard/MMC) to enable networked and removable storage solutions.
• Audio & Codec AC'97 audio controller and synchronous serial controllers supporting audio interfaces (I2S mode) for multimedia and audio capture/playback.
• Peripherals & Timers Multiple USARTs (with ISO7816, IrDA, Manchester and SPI modes), two SPI interfaces, timers, PWM channels, ADC (8-channel 10-bit) and touch-screen support for diverse I/O and control tasks.
• System & Performance 133 MHz multi-layer AHB bus matrix with 37 DMA channels, dual PLLs (including a 480 MHz PLL optimized for USB) and a dual external bus interface to sustain high peripheral and memory bandwidth.
• Power & Reliability On-chip power management controller with clock gating and a battery backup section to minimize power consumption in active and standby modes.
• Package & Mounting 324-ball TFBGA package (15×15 mm, 0.8 mm pitch), surface-mount mounting suitable for compact PCBs and automated assembly.
• Industrial Temperature Grade Rated for operation from −40 °C to 85 °C for industrial environment suitability.

Typical Applications

• Human–Machine Interfaces (HMI) — Drives TFT/STN displays and resistive touchscreens for operator panels and control displays using the integrated LCD controller and touch input support.
• Networked Embedded Gateways — Provides Ethernet 10/100 connectivity and multiple USB and SDIO hosts for bridging sensors, storage and network services in industrial and communications equipment.
• Multimedia & Imaging Devices — Supports camera interfaces, AC'97 audio and display controllers for kiosk, industrial monitoring and multimedia terminals.
• Storage-enabled Portable Instruments — High-speed memory interfaces (DDR2/LPDDR and NAND with ECC) plus SDIO/SDCard hosts enable local storage and fast data logging.

Unique Advantages

• High-performance ARM core: 400 MHz ARM926EJ-S delivers deterministic 32-bit processing with caches and MMU for responsive embedded applications.
• Comprehensive memory subsystem: Support for DDR2/LPDDR, SDR/LPSDR, SRAM and NAND Flash with ECC simplifies system memory design and supports high-bandwidth data paths.
• Integrated UI and multimedia peripherals: Built-in LCD controller, touchscreen support, image sensor interface and AC'97 audio reduce external component count for display-rich products.
• Robust connectivity options: 10/100 Mbps Ethernet, multiple USB 2.0 roles and dual SDIO/SDCard hosts enable versatile wired and removable-media connectivity.
• System-level performance features: 133 MHz multi-layer bus matrix, 37 DMA channels and dual PLLs sustain concurrent high-speed peripheral and memory operations.
• Industrial-ready package and temperature range: 324-TFBGA surface-mount package and −40 °C to 85 °C operating range support compact, reliable designs for industrial environments.

Why Choose AT91SAM9G45C-CU?

The AT91SAM9G45C-CU positions itself as a highly integrated embedded processor for designs that require display, multimedia and high-speed connectivity in a compact package. With a 400 MHz ARM926EJ-S core, extensive memory interface support, integrated display and camera controllers, and multiple high-speed I/O options, it reduces BOM complexity while delivering the bandwidth needed for networked and storage-rich applications.

This device is well suited to engineering teams developing industrial HMIs, networked gateways, multimedia terminals and data-logging instruments that demand sustained peripheral throughput, flexible memory options and an industrial operating range backed by on-chip system features such as DMA, power management and boot options from NAND, SDCard and serial memories.

Request a quote or submit a sales inquiry to evaluate AT91SAM9G45C-CU for your next embedded design. Our team can provide pricing, availability and technical support information to help with your procurement and integration planning.