Win10 system, connect the usb to TTL line, stc89c52rc, strives for the great god

CodePudding user response:

Serial number is wrong? A serial port driver is not installed?

Right click on the "my computer", some properties, points "device manager" "port", check if you want to use the port

CodePudding user response:

Right-click my computer, or directly to the device manager, see the port, right attribute, the port number to change an unused

CodePudding user response:

First find port in computer equipment management page, see if you are using USB to TTL module can be computer correctly, and then determine the COM number,

CodePudding user response:

See if drivers installed successfully, if not yet, can consider to buy 9 pin burn thread, there is a driver installed, then led to the single chip microcomputer is also possible

CodePudding user response:

Maybe you are a USB port is loose, leading to a serial port occupied