EVK2027 is a hardware development kit that includes hardware specifications, component layout diagrams, introductions to USB and RS232 data cables, as well as software installation steps and testing instructions.
This manual describes the EVK2027 evaluation kit, including its hardware specifications, component layout, and connector details for USB and RS‑232 interfaces. It also contains wiring diagrams, circuit schematics, and step‑by‑step usage instructions.
Additional sections cover LED and buzzer status indicators, power requirements, and a version‑update log. The document is intended for developers and technicians who need to integrate or test the EVK2027 hardware. This manual is written in Chinese.
| Power Supply | AC 220 V, 50/60 Hz |
|---|---|
| USB Connector (Host) | USB Type A male |
| USB Connector (Device) | USB Type B male |
| RS‑232 RXD Pin | Input RXD (RS232) |
| Red LED Indicator | Shows active operation |
| Color‑less LED Indicator | Shows standby mode |
The kit operates from an AC 220 V supply at 50 Hz or 60 Hz and draws about 0.35 A.
It provides a USB Type A male connector for the host side and a USB Type B male connector for the device side.
A red LED indicates active operation, while a color‑less LED indicates standby; a buzzer sounds on successful events.