Hardware Guide

Telink Confidential 8
Power connection method with TLSR9 DEV KEY
A RISC-V core is embedded in TLSR9518A, so TLSR9518A support JTAG debug.
The 2x6 connector on the left of mini USB interface is JTAG interface. At the beginning, user connect TLSR9 DEV KEY
to the JTAG interface using DuPont wires one by one. Then, user can use Telink IDE tool to download FW. Right now,
please check if DIP button is under the right setting. It supports 2-wire JTAG interface when “1” button is on, “2”
button is off. On the other side, it supports 4-wire JTAG interface when “1” button is off, “2” button is on.
There is a 5V LDO on TLSR9 DEV KEY, so if connecting TLSR9 DEV KEY with TLSR9518ADK80D through DuPont wires,
it is not necessary to plug in USB cable. Only when using USB function, user need to plug in USB cable.