The USB2089 is a USB‑based data acquisition card that connects to a PC via a USB 2.0 Full‑Speed interface. It provides multiple analog‑to‑digital (AD) and digital‑to‑analog (DA) channels, as well as digital I/O, and is built around a TMS320VC5509A DSP for high‑performance, low‑power operation.
The manual describes the board’s component layout, pin assignments, data formats, usage procedures, calibration steps, and warranty information. It also explains the status LEDs and provides wiring guidelines for integrating the card with external signal conditioning hardware. This manual is written in Chinese.
| DSP | TMS320VC5509A, 144 MHz |
|---|---|
| USB Interface | USB 2.0 Full‑Speed |
| Analog Input Channels | 16 single‑ended, 8 differential |
| Operating Temperature | -40 °C to +85 °C |
| Warranty | 2 years from shipment |
The board offers 16 single‑ended analog‑to‑digital channels and 8 differential channels.
Connect the selected AD channel to 0 V, ground the other channels, enable the RP1 reference, and verify that the measured value reads 0.000 V after a 15‑minute warm‑up.
The product is covered by a two‑year warranty from the date of shipment.