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SENA DirectPort UPCI User Manual

Page 15

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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.