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Old version Upgraded Guidance
DT-BDU (
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by ST-
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Link)
Preparation
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| title | All tools required as below |
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Instruction of update
Video instruction of update
DT821/VD (by ST-Link or SD card)
Way 1: by ST-Link
Preparation
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| title | All tools required as below |
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1159856164 | PC software |  Image Added | Latest firmware V000700 for 821/VD | Firmware | |
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Instruction of update
Video instruction of update
DT821/VD (Update by ST-LINK or SD card)
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Way 2: by SD card (Easier)
Preparation
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| title | All tools required as below |
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Instruction of update
Video instruction of update
DT821/T5 (Update by USB tool)
Preparation
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| title | All tools required as below |
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Instruction of update
Video instruction of update
DT821/M4 (Update by ST-LINK)
Please use different firmwares according to the chips, comparison as below
补图
For
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chip STM8
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If using chip STM8L051F3, the FW version should be [20200827] V000100 or below.
Now should update to [20211229] V000101.
Preparation
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| title | All tools required as below |
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Name of tool | Type | Picture |
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ST-LINK | Hardware |  Image Added | USB cable (please buy locally, it is commonly used) | Hardware |  Image Added | PC or laptop | Hardware | / | ST Visual Programmer (for chip STM8L051F3)
/wiki/spaces/FAE/pages/1160183857 | PC software |  Image Added | Latest firmware V000101 for 821/M4 | Firmware | |
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Instruction of update
Video instruction of update
For chip STM32
If using chip STM32G030F6, the FW version should be [20211208] V000200 or below.
Now should update to [20211229] V000201.
Preparation
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| title | All tools required as below |
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Name of tool | Type | Picture |
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ST-LINK | Hardware | Image Added | USB cable (please buy locally, it is commonly used) | Hardware | Image Added | PC or laptop | Hardware | / | STM32 Cube Programmer (for chip STM32G030F6)
/wiki/spaces/FAE/pages/1225162976 | PC software |  Image Added | Latest firmware V000101 for 821/M4 | View file |
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| name | 821_M4_STM32G030F6_V000201.hex |
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| Firmware | |
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Instruction of update
Video instruction of update
The Firmware in this connection are all standard version.
Please contact the sales staff for customized Version.
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