Manual

15
DirectPort UPCI Software User Guide Rev.1.0
6. If 16C105x Type DirectPort is connected devices which deal with small/low speed data input and
output, Interrupt could be delayed owing to big Trigger Level. In this case, check “55x Trigger Mode”.
However, “55x Trigger Mode”is not suitable for large/high speed data.
7. Select RxFifo Trigger and/or TxFifo Trigger to set “FIFO Interrupt Trigger Levels”and click the “OK”
button.
8. Uncheck the “55x Trigger Mode”to get back to 16C105x Mode and click the “OK”button.