# EMW3165/3166 Firmware Download
This article applies to the all bin firmware burning of EMW3165/3166/3239.
- The main control chip of EMW3165 uses STM32F411;
- The main control chip of EMW3166/3239 uses STM32F412.
#1. Burn Tool
- JLink emulator（V8 or V9）
- An EMW3166 development board or user designed working circuit
- JLink driver (synchronous with built-in JFlash software)
#2. Burning Step
1. PC side installation: JLink driver, synchronization will install JFlash software on the PC side, as shown in the following figure: Open Windows Start ->All Programs, and you can find it.
2.Prepare a JLink emulator and connect it to the PC and module.
3. Open the JFlash software, open Option ->Project Settings, and set the parameters as follows:
The setting steps and each page are as follows:
(1) Firstly, select the MCU model corresponding to the module, as shown in the following figure: EMW3166/3239 selects STM32F412RG, and EMW3165 selects STM32F411RE.
(2) The Device page is the default setting and does not need to be changed:
（3） Select the SWD in target interfac page, and select 4000 kHz for speed.
（4）The Flash page is the default setting and does not need to be modified:
（5）The Production page is the default setting and does not need to be modified.
- In the JFlash software, select Target ->Connect to connect to the JLink emulator. If successful, the display will be as shown in the following figure.
- In the JFlash software, select: File ->Open date file, Open your all. bin path and select the firmware file.
6.Select: Target ->Auto to start burning firmware into the module.
- After the burning is completed, the prompt is successful.
8.At this point, you can disconnect the JLink emulator and restart the module.
#Update
Version | Update | Date |
V1.0 | Initial | 2022.09.18. |
End.