AT91SAM9G45-CU-999

The AT91SAM9G45-CU-999 is a 32-bit microprocessor based on the ARM926EJ-S core running at 400 MHz, designed for embedded systems requiring integrated user interface and high-data-rate connectivity. It delivers a single-core ARM architecture with on-chip memory, advanced peripheral interfaces and flexible external memory support to address application areas such as industrial HMI, networking and multimedia peripherals.

Manufactured in a 324-ball TFBGA (15×15) package and offered in industrial operating range, this device combines processing performance, a broad peripheral set and multiple boot and memory interface options for compact, production-ready embedded designs.

Key Features

• Core ARM926EJ-S 32-bit processor running at 400 MHz with 32 KB instruction cache, 32 KB data cache and MMU for efficient code execution and memory protection.
• Memory Subsystem Integrated controllers for DDR2/LPDDR (4-bank) and support for SDRAM/LPSDR; one 64-KByte internal SRAM configurable as tightly coupled memory (TCM) and one 64-KByte internal ROM with bootstrap routine.
• External Memory & Storage External Bus Interface supporting DDR2/LPDDR, SDRAM, static memories, CompactFlash and SLC NAND Flash with ECC; boot from NAND Flash, SDCard, DataFlash or serial DataFlash.
• Display & Imaging LCD controller supporting STN and TFT displays up to 1280×860 and ITU-R BT.601/656 image sensor interface for camera integration.
• Connectivity Integrated 10/100 Mbps Ethernet MAC controller, USB Device High Speed, USB Host High Speed and USB Host Full Speed with on-chip transceiver, and two high-speed memory card hosts (SDIO/SDCard/MMC).
• Audio & Peripherals AC'97 controller, two synchronous serial controllers (I2S mode), four USARTs (with ISO7816, IrDA, Manchester and SPI modes) and an 8-channel 10-bit ADC with 4-wire touchscreen support.
• System & DMA 133 MHz multi-layer AHB bus matrix, 37 DMA channels, advanced interrupt controller, debug unit, watchdog and real-time timers for responsive system control.
• I/O and Packaging Five 32-bit parallel I/O controllers with up to 160 programmable I/O lines, configurable for 1.8 V or 3.3 V operation; supplier device package: 324-TFBGA (15×15), surface-mount, tape & reel.
• Power Management & Clocking On-chip power management features including efficient clock gating, selectable low-power oscillators and multiple PLLs (one optimized for USB High Speed).
• Industrial Temperature Range Rated for operation from −40 °C to 85 °C for deployment in industrial environments.

Typical Applications

• Human-Machine Interfaces (HMI) — Drives TFT/STN displays and resistive touchscreens for control panels and operator interfaces with integrated display and touch support.
• Industrial Networking — Provides Ethernet 10/100 and USB host/device connectivity for gateways, protocol converters and networked instrumentation.
• Embedded Multimedia & Imaging — Supports camera interfaces, audio codecs and LCD display controllers for imaging terminals, kiosks and portable multimedia devices.
• Storage and Data Logging — Interfaces to DDR2 memory, NAND Flash with ECC and SD cards for high-capacity local storage and boot options in data acquisition systems.

Unique Advantages

• Integrated connectivity and UI peripherals: On-chip Ethernet, USB, LCD controller and multimedia interfaces reduce external component count and simplify system design.
• Flexible memory and boot options: Support for DDR2/LPDDR, SDRAM, NAND Flash with ECC and multiple boot sources enables a wide range of memory architectures and boot strategies.
• High bandwidth system architecture: 133 MHz multi-layer AHB bus matrix combined with 37 DMA channels sustains high peripheral and data throughput.
• Production-ready packaging: 324-TFBGA (15×15) with 0.8 mm pitch and tape & reel delivery supports compact PCB layouts and automated assembly.
• Industrial robustness: −40 °C to 85 °C operating range and configurable I/O voltages (1.8 V or 3.3 V) for compatibility with industrial peripherals and memory devices.
• On-chip power and clock management: Multiple PLLs and low-power oscillators with clock gating help optimize power consumption across modes.

Why Choose AT91SAM9G45-CU-999?

The AT91SAM9G45-CU-999 from Microchip Technology combines a 400 MHz ARM926EJ-S core with a broad set of integrated peripherals and flexible memory interfaces to address embedded designs that require user interfaces, high-speed connectivity and robust storage options. Its multi-layer AHB architecture and extensive DMA support provide the throughput needed for demanding data paths while the internal SRAM/ROM and external memory controllers simplify system integration.

This device is well suited to developers building industrial HMIs, networking appliances, multimedia terminals and storage-enabled embedded products who need a compact, production-ready MPU with industrial temperature capability and a comprehensive peripheral set.

Request a quote or submit a purchase inquiry to evaluate AT91SAM9G45-CU-999 for your next embedded design.