AM1707CZKBD4

The AM1707CZKBD4 is an ARM926EJ-S microprocessor in the Sitara AM17xx family, featuring a single 32-bit core clocked at 456 MHz in a 256-ball BGA (17×17) package. It is an industrial-grade, surface-mount MPU designed for embedded systems that require integrated connectivity, display control, and real-time processing.

Integrated peripherals include 10/100 Mbps Ethernet, USB 2.0 OTG and USB 1.1 host support (both with integrated PHY), LCD controller and SDRAM memory interfaces, making the device well suited for networked embedded equipment, human‑machine interfaces, and industrial control applications.

Key Features

• Core & Performance  ARM926EJ-S RISC core running at 456 MHz, supporting 32-bit instructions and Thumb instruction set for efficient embedded code execution.
• Memory Subsystem  Includes 16 KB instruction cache and 16 KB data cache, 128 KB of on-chip RAM and 64 KB of ROM. External memory support via two external memory interfaces (EMIFA and EMIFB) covering NOR, NAND and SDRAM devices with 16-bit and 32-bit options.
• Connectivity & USB  Integrated 10/100 Mbps Ethernet MAC (IEEE 802.3 compliant) and both USB 2.0 OTG (with integrated PHY) and USB 1.1 OHCI host (with integrated PHY), enabling robust wired networking and peripheral connectivity.
• Real-Time & DMA  Enhanced DMA controller (EDMA3) with up to 32 independent DMA channels and 8 quick DMA channels for high-efficiency data movement and low CPU overhead.
• Programmable Real-Time Units (PRUSS)  Programmable Real-Time Unit Subsystem with two PRU cores (4 KB instruction RAM and 512 bytes data RAM per core). PRUSS is configurable and can be disabled to save power.
• Audio & Display  LCD controller for display-driven applications and three multichannel audio serial ports (McASPs) with support for TDM and I2S formats for digital audio interfaces.
• Timers, UARTs & PWMs  Multiple timing and control peripherals including a 64-bit general-purpose timer, watchdog timer, three 16550-type UARTs, three enhanced PWMs (eHRPWMs), and capture modules for precise control and timing tasks.
• Package, Grade & Temperature  256-ball BGA (17×17) surface-mount package, industrial grade with operating temperature range from −40 °C to 90 °C. RoHS compliant for environmental compatibility.

Typical Applications

• Industrial Control  High-reliability, industrial-grade processing for control systems that require deterministic I/O, real-time offload and wide operating temperature range.
• Embedded Networking Devices  Networked appliances and gateways leveraging the integrated 10/100 Mbps Ethernet MAC and USB connectivity for data transport and peripheral integration.
• Human‑Machine Interfaces (HMI)  Display-driven equipment and operator interfaces using the LCD controller and McASP audio interfaces to handle user displays and audio streams.
• Peripheral-Rich Embedded Systems  Systems requiring multiple serial interfaces, SD/MMC card support, and flexible external memory options for application code and media storage.

Unique Advantages

• Integrated Connectivity: Built-in Ethernet and dual USB PHYs reduce external components and simplify board-level design for networked products.
• Real-Time Offload: Programmable Real-Time Unit Subsystem provides dedicated real-time processing that can handle low-latency tasks without burdening the main CPU.
• Flexible Memory Interfaces: Dual external memory interfaces (EMIFA/EMIFB) support NOR, NAND and SDRAM, enabling designers to select the optimal external memory topology.
• High-Efficiency Data Movement: Enhanced DMA with numerous channels minimizes CPU involvement in bulk transfers, improving system throughput.
• Industrial Temperature and Packaging: 256-BGA (17×17) package and −40 °C to 90 °C rating suit applications that require robust thermal performance and compact form factor.
• RoHS Compliant and Manufacturer-Backed: RoHS compliance and manufacturing by Texas Instruments support regulatory and supply-chain consistency.

Why Choose AM1707CZKBD4?

The AM1707CZKBD4 combines a 456 MHz ARM926EJ-S core with an extensive set of integrated peripherals—Ethernet, USB OTG/host, LCD controller, audio interfaces, programmable real-time units and a powerful DMA engine—to deliver a highly integrated platform for embedded and industrial applications. Its industrial temperature rating and 256-ball BGA package offer a compact, reliable foundation for designs that demand connectivity, display capability, and real-time control.

This MPU is ideal for developers building networked embedded equipment, HMIs, industrial controllers and other systems where integration, deterministic I/O and durable operation across −40 °C to 90 °C are required. Backed by Texas Instruments' Sitara AM17xx family heritage, the AM1707CZKBD4 provides a stable, scalable option for production designs.

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