Altera Arria V Avalon-ST Uživatelský manuál Strana 79

  • Stažení
  • Přidat do mých příruček
  • Tisk
  • Strana
    / 248
  • Tabulka s obsahem
  • KNIHY
  • Hodnocené. / 5. Na základě hodnocení zákazníků
Zobrazit stránku 78
Bit(s) Field Description
[6:4] multiple message
enable
This field indicates permitted values for MSI signals. For example,
if “100” is written to this field 16 MSI signals are allocated.
3’b000: 1 MSI allocated
3’b001: 2 MSI allocated
3’b010: 4 MSI allocated
3’b011: 8 MSI allocated
3’b100: 16 MSI allocated
3’b101: 32 MSI allocated
3’b110: Reserved
3’b111: Reserved
[3:1]
multiple message
capable
This field is read by system software to determine the number of
requested MSI messages.
3’b000: 1 MSI requested
3’b001: 2 MSI requested
3’b010: 4 MSI requested
3’b011: 8 MSI requested
3’b100: 16 MSI requested
3’b101: 32 MSI requested
3’b110: Reserved
[0] MSI Enable If set to 0, this component is not permitted to use MSI.
Related Information
PCI Express Base Specification 2.1 or 3.0
PCI Local Bus Specification, Rev. 3.0
LMI Signals
LMI interface is used to write log error descriptor information in the TLP header log registers. The LMI
access to other registers is intended for debugging, not normal operation.
4-42
LMI Signals
2014.12.15
Altera Corporation
Interfaces and Signal Descriptions
Send Feedback
Zobrazit stránku 78
1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 247 248

Komentáře k této Příručce

Žádné komentáře