11
Fastcom
®
: G422/X-PCIe
Tx FIFO Trigger Level
1
The Tx FIFO level generates an interrupt whenever the transmit FIFO level falls below this preset trigger
level (low water mark). Raising or lowering this value can help to reduce the number of interrupts
generated by the Fastcom port during transmits. This setting affects only the selected port. Modify this
value only if necessary in your application or if the transmitter is generating too many interrupts for your
CPU to handle. Tx FIFO T Tx Write Size must not exceed 255.
Custom Speed
When enabled, this allows you to use a non-standard, custom baud rate inside of an application that does
not support custom rates. When this is enabled, the 9600 baud rate will be overridden with the Max Baud
rate. Just select a baud rate of 9600 in your application and you will get whatever rate you have in the
Max Baud field.
