
Altera Corporation User Guide Version 11.1 7–51
October 2011
Functional Description
PCI Interrupt Enable Register
By setting the corresponding bits in the PCI interrupt enable register, a
PCI interrupt can be signaled for any of the conditions registered in the
PCI interrupt status register (Table 7–19). The PCI interrupt enable
register has one-to-one mapping to the PCI interrupt status register.
10
PCI_TABORT_RCVD
RO Reflects the current value of PCI status register bit 12,
target abort received. This bit can only be cleared
through a direct access to the PCI configuration status
register.
11
PCI_MABORT_RCVD
RO Reflects the current value of PCI configuration status
register bit 13, master abort received. This bit can only
be cleared through a direct access to the PCI
configuration status register.
12
PCI_SERR_SIG
RO Reflects the current value of PCI configuration status
register bit 14, system error signaled. This bit can only
be cleared through a direct access to the PCI
configuration status register.
13
PCI_PERR_DET
RO Reflects the current value of PCI configuration status
register bit 15,
PERR detected.
15:14 Reserved N/A
16
A2P_MAILBOX_INT0
RW1C
Set to 1 when the
A2P_MAILBOX0 is written to.
17
A2P_MAILBOX_INT1
RW1C
Set to 1 when the
A2P_MAILBOX1 is written to.
18
A2P_MAILBOX_INT2
RW1C
Set to 1 when the
A2P_MAILBOX2 is written to.
19
A2P_MAILBOX_INT3
RW1C
Set to 1 when the
A2P_MAILBOX3 is written to.
20
A2P_MAILBOX_INT4
RW1C
Set to 1 when the
A2P_MAILBOX4 is written to.
21
A2P_MAILBOX_INT5
RW1C
Set to 1 when the
A2P_MAILBOX5 is written to.
22
A2P_MAILBOX_INT6
RW1C
Set to 1 when the
A2P_MAILBOX6 is written to.
23
A2P_MAILBOX_INT7
RW1C
Set to 1 when the
A2P_MAILBOX7 is written to.
31:24 Reserved N/A
Table 7–18. PCI Interrupt Status Register – Address: 0x0040 (Part 2 of 2)
Bit Name
Access
Mode
Description
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