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Model | Old version, date | Latest version, date |
|---|---|---|
DT-BDU | All old versions could be updated to the latest | STM32程序，[20220111] V000200 支持T5扩展呼叫，支持本BDU下分机在线检测(Chip STM32L151RC) |
DT821/VD | STM32程序,[20220111]V000700 (Chip STM32L151RC) 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AUTOWRITE程序待发布 | |
DT821/M4 | [20200827] V000100（old V000100 (chip STM8L051X3 STM8L051F3) | [20211229] V000101 (old chip STM8L051F3) |
[20211208] V000200 (new chip STM32G030F6) | [20211229] V000201 (new chip STM32G030F6)，需用stm32cubeprg PC程序 |
Old version Upgraded Guidance
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DT-BDU (Update by ST-LINK)
Preparation
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
STM32 ST-LINK Utility (for chip STM32L151RC) |
PC software |
STM32 Cube Programmer (for new STM32)
/wiki/spaces/FAE/pages/1225162976
PC software
| ||||||
Latest firmware V000200 for BDU
| Firmware |
Instruction of update
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DT-BDU (Update by ST-LINK)
Video instruction of update
DT821/VD (Update by ST-LINK or SD card)
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Please use different firmwares according to the chips, comparison as below
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For old chip STM8, firmware version updated from V000100 to V000101
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