HT-Writer User Manual is a simple burner for burning OTP devices developed by Holtek Semiconductor Inc. The manual includes installation, hardware configuration, using HT-Writer to burn OTP chip, preparation for burning, executing HT-Writer burning program, burning MCU model and driver data model, online burning mode, offline burning mode, burning steps, LED indicator description, adapter usage, system information and other contents.
This manual provides an overview of the HT-Writer, a compact OTP‑chip programmer designed for easy installation and use. It describes the required equipment, such as the 16 V power adapter, RS‑232 connection, and appropriate programming adapter cards.
The document details both online (PC‑connected) and offline programming modes, hardware components, LED status indicators, and the complete programming procedure, including preparation of OTP files and troubleshooting messages. This manual is written in Chinese.
| Power supply voltage | 16 V DC |
|---|---|
| Power supply current | ≥ 500 mA |
| OK status LED | Green |
| Ready status LED | Yellow |
| Fail status LED | Red |
| RS‑232 connector | 9‑pin D‑type male |
| Programming interface | 20‑Pin Header |
| Programming switch | Offline mode command key |
An IBM 386 or higher PC running Windows 95/98/NT/2000/XP is required for the online mode.
Use the supplied power adapter that provides a 16 V DC output with at least 500 mA current.
Connect the HT-Writer to the PC’s RS‑232 port using an RS‑232 cable to the 9‑pin D‑sub connector.