AM1705DPTP4

The AM1705DPTP4 is a Sitara AM17xx series microprocessor from Texas Instruments based on a single ARM926EJ-S 32-bit core running at 456 MHz. Designed for embedded applications, it integrates critical system functions such as SDRAM control, LCD display interfacing, Ethernet and USB connectivity to simplify system design and accelerate time to market.

This commercial-grade device is supplied in a 176-pin HLQFP with exposed pad (24 × 24 mm) for surface-mount assembly and is RoHS compliant. It targets embedded systems that require a compact, integrated processor solution with standard connectivity and display support.

Key Features

• Core: Single ARM926EJ-S 32-bit core at 456 MHz providing deterministic processing for embedded control and application tasks.
• Memory and Controllers: Integrated SDRAM controller to support external volatile memory for program and frame-buffer storage.
• Display: LCD display interface controller suitable for driving embedded human-machine interfaces with external display panels.
• Ethernet: 10/100 Mbps Ethernet MAC for standard network connectivity and communication.
• USB: USB 2.0 controller with integrated PHY (1) for host or device connectivity to peripherals.
• Peripheral Interfaces: I²C interface for sensor, EEPROM and peripheral control; CP15 system-control co-processor for system management.
• Package and Mounting: 176-HLQFP (24 × 24 mm) exposed-pad package, surface-mount for PCB assembly and thermal conduction.
• Commercial Grade and Temperature Range: Rated for commercial operation with an operating temperature range of 0°C to 90°C.
• Compliance: RoHS compliant to meet standard environmental requirements for electronic assembly.

Typical Applications

• Embedded Control Systems: Use the ARM926EJ-S core and SDRAM controller for managing control logic and real-time tasks in embedded controllers.
• Networked Devices: Leverage the integrated 10/100 Mbps Ethernet interface for connected instrumentation and communications gateways.
• USB-Enabled Peripherals: Implement USB 2.0 connectivity with the integrated PHY for interfacing with external devices and peripherals.
• Human‑Machine Interfaces (HMI): Employ the LCD controller and SDRAM support to drive displays and build user interfaces for appliances and equipment.

Unique Advantages

• Integrated Connectivity: On-chip Ethernet and USB 2.0 + PHY reduce external component count and simplify board design for connected applications.
• Display Support: Native LCD controller and SDRAM interface enable compact HMI designs without heavy external graphics subsystems.
• Compact Surface-Mount Package: 176-HLQFP with exposed pad provides a balance of I/O density and thermal performance for PCB-constrained designs.
• Single-Core Deterministic Processing: ARM926EJ-S at 456 MHz offers predictable performance for control and application tasks in embedded systems.
• Commercial Reliability: Commercial-grade specification and 0°C to 90°C operating range align with a wide range of indoor and industrial environments.
• Standards Compliance: RoHS compliance supports environmentally conscious manufacturing and assembly processes.

Why Choose AM1705DPTP4?

The AM1705DPTP4 positions itself as a versatile, integrated microprocessor for embedded designs that require a standard set of connectivity and display features in a compact package. Its ARM926EJ-S core at 456 MHz combined with SDRAM support, Ethernet, USB and LCD interface simplifies system architecture for designers focused on connected HMIs, instrumentation and general embedded control.

As part of the Sitara AM17xx family from Texas Instruments, the AM1705DPTP4 offers a commercially rated, RoHS-compliant option for projects that need predictable processing performance, essential peripheral interfaces, and a surface-mount 176-HLQFP footprint for production-ready PCB implementation.

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