AM1808EZWT4

The AM1808EZWT4 is a Sitara ARM926EJ-S-based microprocessor offered by Texas Instruments, featuring a single 32-bit core running at 456 MHz. It targets embedded applications requiring a balance of processing performance and integrated peripheral connectivity in a commercial-grade device.

Built for embedded designs, the device combines a high-performance ARM926EJ-S core with on-chip subsystems and broad I/O support to simplify system integration for communications, control and display-oriented applications.

Key Features

• Core and Architecture  ARM926EJ-S single 32-bit core operating at 456 MHz with ARM memory architecture and core bus features.
• Real-time Processing Subsystem (PRUSS)  Programmable Real-Time Unit Subsystem with two independent PRU cores and real-time debug support for deterministic I/O and low-level control.
• Memory and DMA  External memory support with LPDDR and DDR2 controllers and an Enhanced DMA controller (EDMA3) providing extensive DMA channels and transfer capabilities.
• Connectivity and Interfaces  Integrated interfaces include 10/100 Mbps Ethernet MAC, SATA 3 Gb/s, USB 2.0 (OTG) with integrated PHY and USB 1.1 host with PHY, multiple UARTs, SPI, I2C and MMC/SDIO support for flexible peripheral integration.
• Display and Multimedia  LCD controller plus multichannel audio serial port and associated multimedia interfaces for display and audio subsystem integration.
• System and Timing  Multiple general-purpose timers, watchdog capability and a dedicated interrupt controller for robust system control and timing functions.
• On-chip Memory and Caches  On-chip memory blocks and processor caches documented in the product series provide local storage to improve deterministic performance for critical code and data.
• Package, Mounting and Thermal  361-pin NFBGA supplier device package (16 × 16 mm), surface-mount mounting, commercial-grade operating temperature range 0 °C to 90 °C.
• Compliance  RoHS compliant and specified for commercial grade use.

Typical Applications

• Industrial Control and Automation  Deterministic PRU subsystem and multiple serial interfaces enable precise machine control and real-time I/O handling.
• Embedded Networking and Gateways  Integrated 10/100 Mbps Ethernet plus USB and SATA support make the device suitable for gateway, router or edge networking tasks.
• Human-Machine Interfaces (HMI)  LCD controller and audio interfaces support display-driven operator panels and embedded UI designs.
• Embedded Storage and Data Logging  SATA 3 Gb/s and SD/MMC interfaces provide options for local storage and high-speed data logging in embedded systems.

Unique Advantages

• Highly integrated I/O  Built-in Ethernet, SATA, USB, UART, SPI, I2C and SD/MMC reduce external component count and simplify board design.
• Deterministic real-time capabilities  PRU subsystem provides dedicated real-time processing resources for latency-sensitive control tasks.
• Flexible memory support  LPDDR and DDR2 memory controllers accommodate common external memory choices for system scaling.
• Compact commercial package  361-pin NFBGA (16×16) package offers a compact, surface-mount footprint for space-constrained designs.
• Documented TI platform  Backed by Texas Instruments product documentation and a comprehensive datasheet for design and integration reference.
• RoHS compliant  Meets RoHS requirements to support modern manufacturing and regulatory needs.

Why Choose AM1808EZWT4?

The AM1808EZWT4 positions itself as a performance-oriented, highly integrated microprocessor for commercial embedded applications. With a 456 MHz ARM926EJ-S core, a programmable real-time subsystem, extensive on-chip interfaces and memory controller support, it suits designs that require both application processing and deterministic peripheral control.

This part is appropriate for embedded system designers seeking a documented TI Sitara solution that consolidates networking, storage, display and real-time I/O in a single package, reducing BOM complexity while providing a clear upgrade path within the Sitara family.

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