User manual for the Datai Electronics USB118 series USB flash‑drive read/write module, covering features, hardware, interfaces and command usage.
The USB118 series is an embedded USB flash‑drive read/write module that integrates a USB HOST controller with optional RS‑232 serial or parallel interfaces. It is intended for portable instruments and data‑acquisition systems, providing FAT16/FAT32 storage and simple command‑response communication.
The manual describes the module’s physical connectors, LED status indicators, control lines, command set, and file‑operation procedures, as well as hardware specifications such as power requirements and configurable baud rates. This manual is written in Chinese.
| USB Interface | A‑type USB HOST port |
|---|---|
| Supported File Systems | FAT16, FAT32 |
| Serial Baud Rates | 9600, 19200, 57600 bps (default 57600) |
It supports both FAT16 and FAT32 file systems.
Shorting specific pins (CN_Pi n14 with Pi n7 or CN2_Pi n15 with Pi n6) sets the baud rate to 19200 bps or 9600 bps; otherwise it defaults to 57600 bps.