USB Interface IC USB INTRFC W/PARL BUS, Obsolete

PDIUSBD12D – Full-Speed USB Interface Controller IC – NXP Semiconductors

Simplify USB integration in embedded designs with the PDIUSBD12D from NXP Semiconductors. This reliable full-speed USB interface controller enables seamless communication between microprocessors and USB hosts, offering plug-and-play compatibility and reduced development time for industrial, computing, and consumer applications.

Key Features

• Full-Speed USB 1.1 Compliance – Supports 12 Mbps data transfer
• Parallel Interface – Easy connection to microcontrollers (8-bit data bus)
• Integrated FIFOs – 2x 128-byte buffers for bulk & isochronous transfers
• Low Operating Voltage – 3.3V ±10% supply range
• Dual Configurable Endpoints – Flexible control/data pipe configuration

Technical Specifications

• Manufacturer: NXP Semiconductors
• Interface: Parallel (non-multiplexed)
• Package: SO28 (Surface Mount)
• Operating Temperature: -40°C to +85°C (Industrial Grade)
• Compliance: USB Specification 1.1 & 2.0
• Clock Input: 6 MHz crystal oscillator

Typical Applications

• Industrial control systems and PLCs
• Data acquisition devices
• PC peripherals (printers, scanners)
• Embedded diagnostic interfaces
• Consumer electronics with USB connectivity

About NXP Semiconductors

NXP Semiconductors is a global leader in secure connectivity solutions for embedded applications, with over 60 years of innovation in the semiconductor industry. Their components are renowned for industrial-grade reliability, rigorous quality testing, and compliance with international standards.

NXP’s USB product portfolio delivers proven interoperability across operating systems and hosts, making them the preferred choice for mission-critical designs. Their commitment to long-term product availability ensures design stability for OEMs and engineers.

About USB Interface Controllers

USB interface controllers bridge microprocessors to USB ports, handling complex protocol translation and signal conditioning. They simplify USB implementation by managing electrical signaling, packet decoding, error checking, and power management – eliminating the need for deep USB protocol expertise in host systems.

These ICs are essential for adding standardized connectivity to embedded devices, enabling plug-and-play functionality across Windows, Linux, and macOS environments. Proper controller selection ensures compatibility with USB specifications while minimizing development overhead and certification risks.

Packaging Options

Available in Tape & Reel (TR) packaging for automated assembly. Contact PCX for reel quantities and custom kitting options.

Frequently Asked Questions

Q: Is this IC compatible with USB 2.0 hosts?
A: Yes, it maintains full backward compatibility with USB 2.0 hosts while operating at USB 1.1 full-speed (12Mbps).

Q: What microcontroller interfaces does it support?
A: It features an 8-bit parallel interface compatible with most microcontrollers, including Intel 8051, ARM7, and other popular architectures.

Q: Does it require external termination resistors?
A: No, integrated 1.5kΩ pull-up resistors on D+ line simplify circuit design.

Q: Can it handle both control and data transfers?
A: Yes, configurable endpoints support control, bulk, interrupt, and isochronous transfer types.

Q: Is the datasheet available?
A: Download the full PDIUSBD12D datasheet from our product page [Link to PCXCo.com-hosted datasheet].

Q: What development tools are recommended?
A: NXP provides reference designs and driver libraries. Third-party evaluation boards are also compatible.

⚠️ Note: Product images are representational. Refer to datasheet for exact dimensions and pinouts.

Ready to Integrate USB Connectivity?

PCX stocks genuine NXP components with same-day shipping. Get expert technical support and guaranteed traceability with every order. Order PDIUSBD12D today to accelerate your project timeline!