User's Guide

User Guide for Telink TLSR8266 Debugging Dongle
AN-16101600-E1 8 Ver 1.0.0
3.2 Download Firmware into 8266 Dongle
There are two connection methods to download firmware into Telink TLSR8266
debugging dongle board.
1. Method 1: Connect via USB
Make sure a jumper cap is connected on J20 of 8266 Dongle.
Connect J2 (USB interface) with the USB interface of a burning EVK board. The
miniUSB interface of the burning EVK is connected with PC USB via an USB cable.
2. Method 2: Connect via Swire
Connect PIN1, PIN2 and PIN3 of J4 with SWM, GND and 3.3V of a burning EVK,
respectively.
Figure 4 Connection chart to download FW
Option1:
1) Connect J20 with Jumper Cap;
2) Connect J2 with USB of burning EVK.
J20
J2
J4
2
3
Option 2: Connect J4 with
burning EVK via Swire.
1) Connect PIN1 with SWM
2) Connect PIN2 with GND
3) Connect PIN3 with 3.3V
1