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uchcom — WinChipHead CH341/CH340 serial adapter driver
To compile this driver into the kernel, place the following lines in your kernel configuration file: device uchcom device ucom Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): uchcom_load="YES"
The uchcom driver provides support for the WinChipHead CH341/CH340 USB-to-RS-232 Bridge chip. The device is accessed through the ucom(4) driver which makes it behave like a tty(4).
The uchcom driver supports the following adapters: · HL USB-RS232
The uchcom driver first appeared in NetBSD. The first FreeBSD release to include it was FreeBSD 8.0.
Actually, this chip seems unable to drive other than 8 data bits and 1 stop bit line.