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Mini_Burning_EVK

Offline Downloader Introduction

Mini_Burning_EVK

Mini_Burning_EVK is a downloader specially designed to provide debugging and download function for Telink chips, the current version is v1.1. It can be used with BDT or Web BDT tool. There are two most obvious differences in functionality from the regular Burning EVK: it supports offline download function and does not support OTP burning.

The picture of the module board:

The left side of the downloader board is the USB Type-C interface, connected to the computer via USB cable. The top left corner is the Flash reset button, and the right side is the download interface for connecting to the target board: GND, SWM, 3V3. The bottom side is the one-click download button, the mode selection button, and the menu operation dial-wheel button, respectively.

The left and right arrow keys of the dial wheel buttons are for menu selection. The first line of the screen displays the working mode (Win BDT mode/Web BDT mode) and version number, and whether to choose to erase the first 4KB of flash when activating the target chip (Erase is displayed if it's yes, or N_Erase is displayed if it's no). When the menu is selected in this line, press the middle button of the dial wheel to reset the target chip and choose whether to erase the first 4KB of Flash when activating the target chip. The second line shows the activation status, press the middle button of the wheel to activate the target chip, and it will show OK when the activation is successful. The third line shows the file name of the downloaded bin, press the middle button of the wheel to cycle through the files. The fourth line shows the download status, press the middle button of the wheel to download the corresponding bin file for the target chip.

Steps to use offline download function

This document describes the use of Web BDT and Mini_Burning_EVK to realize the offline download function, the usage instructions of other functions can refer to the BDT document and Web BDT document.

  1. Upgrade the firmware with V4.0 or higher version. It is on Online tab at Web BDT, and Help->Upgrade at BDT too. There will be a corresponding prompt after the correct upgrade, and you need to plug and unplug the USB cable to reconnect the device after the successful upgrade.

  1. Refer to web_bdt document to prepare the environment.

  2. Open Web BDT, click connect to successfully connect to the device and open the offline tab.

  3. Click "Add" to add the bin file, you can modify the target chip and firmware type of the bin file as well as the firmware name (no more than ten characters) according to the actual requirement.

  4. Click "Delete" to delete the last bin file added to the list of pending downloads.

  5. Click "Download" to download the selected file to the corresponding Flash of Mini_Burning_EVK and wait for the prompt of successful download.

  6. Repower the Mini_Burning_EVK and follow the on-screen prompts and use the buttons in conjunction to perform offline downloads and other operations.