This document is the D12 SMART user manual, which mainly introduces the function, feature, usage method and installation steps of D12 SMART.
The D12 SMART Kit is a USB evaluation board that includes the PDIUSBD12 device, an 89C738/89C52 microcontroller, software, drivers, and sample firmware. It enables developers to convert legacy devices to USB and evaluate features such as DMA transfer and endpoint operation.
The manual covers hardware connections, required PC environment (Windows 98), software installation steps, driver loading, and how to run the supplied applet in Print, Scan, and Loopback test modes. Detailed endpoint configurations and a full bill of materials are also provided.
| Control endpoint max packet size | 16 bytes |
|---|---|
| Generic endpoint max packet size | 16 bytes |
| Main endpoint max packet size | 64 bytes (128 bytes with double buffering) |
| Microcontroller | 89C738/89C52 (8051‑family) |
| USB interface device | PDIUSBD12 |
The kit requires a PC with a Microsoft Windows 98 operating system.
The applet supports three test modes: Print, Scan, and Loopback.