Latest Firmware version
Model | Old version, date | Latest version, date |
|---|---|---|
DT-BDU | All old versions could be updated | STM32程序，[20220111]V000200 支持T5扩展呼叫，支持本BDU下分机在线检测 |
DT821/VD | STM32程序,[20220111]V000700 T5支持BDU扩展，VD模块支持无设置下BDU扩展呼叫 | |
DT821/T5 | AUTOWRITE 待发布 | |
DT821/M4 | [20200827] V000100（old chip STM8L051X3) | [20211229] V000101 (old chip) |
[20211208] V000200 (new chip STM32G030F6) | [20211229] V000201 (new chip)，需用stm32cubeprg PC程序 |
Old version Upgraded Guidance
Three update tools are required as below:
Name of tool | Type | Picture |
|---|---|---|
ST-LINK | Hardware |  |
USB cable (please buy locally, it is commonly used) | Hardware |  |
USB tool (could get from Video-Tech, should be used with USB cable) | Hardware |  |
Micro SD card (please buy locally, it is commonly used) | Hardware |  |
PC or laptop | Hardware | / |
Autowriter.exe | PC software | Portable software, free-installation |
ST Visual Programmer (for STM8) | PC software |  |
STM32 Cube Programmer (for new STM32) | PC software |  |
STM32 ST-LINK Utility (for old STM32) |  |
DT-BDU (Update by ST-LINK)
DT821/VD (Update by ST-LINK or SD card)
DT821/T5 (Update by USB tool)
DT821/M4 (Update by ST-LINK)
Please use different firmwares according to the chips, comparison as below
For old chip STM8, firmware version updated from V000100 to V000101
For new chip STM32, firmware version updated from V000200 to V000201
The Firmware in this connection are all standard version.
Please contact the sales staff for customized Version.