Vision Systems VScom 200E PCIex Uživatelský manuál stáhnout pdf (Strana 31)

4 Windows Driver

Figure 17: Advanced Settings 16C550A

The VScom L-series cards have a 16C550A compatible UART for the serial ports. The Receive

Trigger Level only prvides the four steps 1, 4, 8 and 14. There is no Transmit Trigger Level, hence

this slider is disabled. The Transmit Buﬀer Length ranges from 1 to 16 only. The serial port can

emulate the 16C450 and the ancient 8250 UART.

Figure 18: UART Types

Remarks on the UART Emulation Modes Usually the best choice for the UART type emulation

is just the best availabe, i.e. the standard 16C950 model. However some hardware options may be

conﬁgured to match the functions of less advanced types. This may be required for rare and very

July 2011 VScom Industrial Card User Manual 31

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Vision Systems VScom 200E PCIex Uživatelský manuál Strana 31