With advances in chip technology, USB has become a standard interface for MCUs, offering flexibility and versatility in connecting external devices. Nuvoton is a pioneer in integrating USB interfaces into MCU/MPU chips, with ARM^® Cortex^® M0/M23/M4/ARM9/A35 core products featuring built-in USB support.

Key Features:

• USB 2.0 FS/HS OTG and PHY support
• USB 2.0 FS: Up to 25 configurable endpoints, 1.5KB buffer
• USB 2.0 HS: Up to 12 configurable endpoints, 4KB buffer
• Rich example code
• Wide Packaging Options: Including compact QFN48 (5x5)

Nuvoton’s USB interface performance enables MCUs to handle not only typical device/host communication but also virtualize multiple devices or data channels via USB. This feature effectively meets the diverse needs of various applications.

USB Virtual Multiple Composite Devices:

Figure 1: Multi-functional applications for computer peripheral devices/personal consumer products

USB Virtual Multiple Data Channels:

Figure 2: In industrial communication gateways, expanding interfaces and simplifying data links

USB Series Product Portfolio: