AM1808EZWTA3

The AM1808EZWTA3 is a Sitara™ ARM926EJ-S microprocessor IC featuring a single 32‑bit core running at 375 MHz, packaged in a 361‑ball NFBGA (16 × 16) form factor. Designed for embedded and industrial applications, this device combines a real‑time programmable subsystem, a broad set of system interfaces, and memory controller support to address compact, networked, and storage‑enabled embedded designs.

Key value propositions include deterministic real‑time capabilities, integrated high‑speed interfaces (Ethernet, SATA, USB), and memory interface flexibility (LPDDR/DDR2), all rated for industrial temperature operation from −40 °C to 105 °C.

Key Features

• Core – ARM926EJ‑S single 32‑bit core at 375 MHz providing RISC architecture with ARM/Thumb instruction support and Jazelle technology.
• Real‑time Subsystem (PRUSS) – Programmable Real‑Time Unit Subsystem with two independent programmable real‑time cores and local instruction/data RAM; can be disabled via software to save power.
• Memory and Cache – ARM9 memory architecture with 16 KB instruction cache, 16 KB data cache, on‑chip ROM and RAM resources; external memory support via EMIFA and DDR2/mDDR/LPDDR controllers.
• Peripherals and Timers – Multiple general‑purpose timers, watchdog timer, enhanced pulse‑width modulators, three 16550‑style UARTs (configurable), SPI, I2C and multichannel audio serial port.
• Storage and Display – SATA 3 Gbps interface (1) and MMC/SD/SDIO support for removable storage; integrated LCD controller for display subsystems.
• Connectivity – 10/100 Mbps Ethernet MAC (1) and USB connectivity including USB 2.0 OTG with integrated PHY and USB 1.1 OHCI host with PHY.
• DMA and Interrupts – Enhanced DMA controller (EDMA3) with multiple transfer controllers and numerous independent DMA channels plus dedicated interrupt controller for deterministic data movement and interrupt handling.
• Package and Thermal – Supplier device package: 361‑NFBGA (16 × 16); package case listed as 361‑LFBGA; operating temperature range −40 °C to 105 °C suitable for industrial deployments.
• Power and I/O – Support for 1.8 V or 3.3 V LVCMOS I/Os (except for USB and DDR2 interfaces) with standard power management mechanisms and clock gating for power savings.
• Standards and Compliance – RoHS compliant.

Typical Applications

• Industrial Control – Embedded controllers and automation equipment that require industrial temperature operation and real‑time processing for deterministic I/O and control tasks.
• Networked Embedded Systems – Gateways, kiosks, and appliances that leverage integrated 10/100 Ethernet and USB connectivity for communication and peripheral access.
• Multimedia and Display Devices – Systems requiring an integrated LCD controller and multimedia interfaces such as MMC/SD and audio serial ports for user interfaces and local media playback.
• Storage‑Enabled Embedded Designs – Appliances and edge devices that benefit from SATA 3 Gbps and removable MMC/SD support for local data storage and logging.

Unique Advantages

• Integrated high‑speed interfaces: Built‑in Ethernet, SATA, and USB PHYs reduce external interface components and simplify board design for connected embedded products.
• Real‑time deterministic processing: Programmable Real‑Time Unit Subsystem (PRUSS) provides dedicated real‑time cores and local RAM for low‑latency control tasks.
• Flexible memory support: EMIFA plus DDR2/mDDR/LPDDR controllers enable a range of external memory configurations to match performance and cost targets.
• Comprehensive peripheral set: Multiple UARTs, SPI, I2C, MMC/SDIO, timers, and PWMs allow direct interfacing to sensors, actuators, storage and user I/O without heavy external logic.
• Industrial temperature rating: Operation from −40 °C to 105 °C supports deployment in harsh or temperature‑sensitive environments.
• Power management features: Clock gating and software‑controlled PRU enable power optimization options for energy‑sensitive embedded applications.

Why Choose AM1808EZWTA3?

The AM1808EZWTA3 positions itself as a highly integrated ARM926EJ‑S microprocessor for embedded and industrial applications that require a balance of real‑time control, connectivity and storage capability. With support for DDR2/LPDDR memories, Ethernet, SATA and USB PHYs, plus a programmable real‑time subsystem and robust DMA resources, it streamlines designs that need both general‑purpose processing and deterministic I/O handling.

This device is suited to engineers and product teams building industrial controllers, networked appliances, display‑enabled embedded systems, and storage‑capable edge devices who need a compact BGA package and industrial temperature operation. Detailed documentation and the AM1808 product datasheet provide the technical specifications needed for system integration and qualification.

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