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STC8H Series Manual
After the production is completed, do not forget to dial the "Update/Download Selection Interface" of U8W back to
the "Burn User Program" mode, and power on the U8W download tool again, as shown in the figure below:
(Otherwise, programming will not be performed normally )
3.9 U8W/U8W-Mini set through mode (can be used for simulation)
To use U8W/U8-Mini for simulation, you must first set U8W/U8-Mini to pass-through mode. The method of
U8W/U8W-Mini to realize USB to serial port pass-through mode is as follows:
1. First, the U8W/U8W-Mini firmware must be upgraded to v1.37 and above;
STC Tool Instruction Manual