This manual describes the functions, applications, electrical parameters, hardware, driver installation, operation steps and FAQs for the Sunplus USB‑UART…
The Sunplus UUSSBB‑UUAARRTT USB‑UART Converter Module provides bi‑directional conversion between a PC USB port and an RS‑232 UART port, enabling communication between modern PCs and legacy peripherals. It operates from the USB bus voltage and requires a common ground with the host MCU.
The document covers a system overview, hardware block diagram, connection examples, driver installation procedures, step‑by‑step operation instructions, and a list of common questions with answers. Appendices include the circuit schematic, interface pin list, and contact information for further support. This manual is written in Chinese.
| Operating Voltage | 5 V (USB bus powered) |
|---|---|
| Supported Interfaces | USB and RS‑232 |
| Main IC | SPCP825A |
Yes, the USB‑UART module can be treated as a serial port once the driver is installed.