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STC8H Series Manual
3.2 U8W function introduction
The main interfaces and functions of U8W tools are described in detail below:
Programming interface: Use different download cables to connect the U8W download board and the user system
according to different power supply methods.
U8W update system program button: used to update U8W tools. When there is a new version of U8W firmware, you
need to press this button to update the U8W main control chip (note: you must first set the toggle switch on the
update/download selection interface Toggle to upgrade tool firmware).
If the MCU is on the user system, P3.0/P3.1/Gnd must be connected
during online programming/ISP, and P3.0/P3.1 of the target MCU
should not be connected to any other lines during online
programming/ISP
STC Tool Instruction Manual
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