Description: This a RS232 to TTL level of a drive, based on ch340 software, can achieve the requirements of the development of single-chip.
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File list (Check if you may need any files):
RS-232-340芯片驱动\340.exe
..................\SETUP.EXE
..................\USBSER34.INF
..................\USBSER34.SYS
..................\USBSER34.VXD
..................\USBSER98.SYS
RS-232-340芯片驱动