Datasheet

Intel
®
High Definition Audio
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D27:F0
Intel
®
Atom™ Processor E6xx Series Datasheet
150
9.3.1.23 Offset 60h: MSI_CAPID - MSI Capability ID Register
9.3.1.24 Offset 62h: MSI_CTL - MSI Message Control Register
9.3.1.25 Offset 64h: MSI_ADR - MSI Message Address Register
9.3.1.26 Offset 68h: MSI_DATA - MSI Message Data Register
Table 200. 60h: MSI_CAPID - MSI Capability ID Register
Size: 16 bit Default: 0005h Power Well: Core
Access
PCI Configuration B:D:F 0:27:0
Offset Start:
Offset End:
60h
61h
Bit Range Default Access Acronym Description
15 :08 00h RO NEXT
Next Capability: Points to the next item in the capability list. Wired to
00h to indicate this is the last capability in the list.
07 :00 05h RO CAP Cap ID: Indicates that this pointer is a MSI capability
Table 201. 62h: MSI_CTL - MSI Message Control Register
Size: 16 bit Default: 0h Power Well: Core
Access
PCI Configuration B:D:F 0:27:0
Offset Start:
Offset End:
62h
63h
Bit Range Default Access Acronym Description
15 :01 0 RO RSVD Reserved
00 0 RW ME
MSI Enable:
0 = An MSI may not be generated
1 = An MSI will be generated instead of an INTx signal
Table 202. 64h: MSI_ADR - MSI Message Address Register
Size: 32 bit Default: 0000_0000h Power Well: Core
Access
PCI Configuration B:D:F 0:27:0
Offset Start:
Offset End:
64h
67h
Bit Range Default Access Acronym Description
31 :02 0 RW MLA Message Lower Address: Lower Address used for MSI Message.
01 :00 0 RO RSVD Reserved
Table 203. 68h: MSI_DATA - MSI Message Data Register
Size: 16 bit Default: 0000h Power Well: Core
Access
PCI Configuration B:D:F 0:27:0
Offset Start:
Offset End:
68h
69h
Bit Range Default Access Acronym Description
15 :00 0 RW MD Message Data: Data used for MSI Message.