Serial Flash Programmer[S550-SFWv3] Operation Manual
18
(When supplying voltage to the target board from S550-SFWv3 - Multi CH Mode)
* Turning ON/OFF the power of S550-SFWv3 is done by plugging/unplugging the USB cable.
* Do not unplug the USB cable during the communication with the control software.
* The voltage supplied to the target can be selected from 5V plus/minus 5% or 3.3V plus/minus 5%.
* The voltage is supplied to the target board while programming only.
* Please use self-power when using USB hub.
* Action might become unstable as that the power supply falls down. In that case, please supply voltage to the
target board by using an external power supply.
USB cable
SFWv3 control
software
Windows PC
AC power plug
Target connection cable
Your target
board
S550-SFWv3
Vcc