Visible to Intel only — GUID: nik1410564868060
Ixiasoft
Visible to Intel only — GUID: nik1410564868060
Ixiasoft
5.6. Interrupts for Root Ports
Signal |
Direction |
Description |
---|---|---|
int_status[3:0] | Output |
These signals drive legacy interrupts to the Application Layer as follows:
|
serr_out | Output |
System Error: This signal only applies to Root Port designs that report each system error detected, assuming the proper enabling bits are asserted in the Root Control and Device Control registers. If enabled, serr_out is asserted for a single clock cycle when a system error occurs. System errors are described in the PCI Express Base Specification 2.1 or 3.0 in the Root Control register. |