NH82801HEM S LB9B Intel, NH82801HEM S LB9B Datasheet - Page 677
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NH82801HEM S LB9B
Manufacturer Part Number
NH82801HEM S LB9B
Description
Manufacturer
Intel
Datasheet
1.NH82801HEM_S_LB9B.pdf
(890 pages)
Specifications of NH82801HEM S LB9B
Lead Free Status / RoHS Status
Compliant
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Intel
17.2.13
Intel
®
®
ICH8 Family Datasheet
High Definition Audio Controller Registers (D27:F0)
INTCTL—Interrupt Control Register
(Intel
Memory Address:HDBAR + 20h
Default Value:
29:8
7:0
Bit
31
30
Global Interrupt Enable (GIE) — R/W. Global bit to enable device interrupt
generation. When set to 1, the Intel
generate an interrupt. This control is in addition to any bits in the bus specific address
space, such as the Interrupt Enable bit in the PCI configuration space.
0 = Disable
1 = Enable
NOTE: This bit is not affected by the D3
Controller Interrupt Enable (CIE) — R/W. Enables the general interrupt for
controller functions.
When set to 1, the controller generates an interrupt when the corresponding status bit
gets set due to a Response Interrupt, a Response Buffer Overrun, and State Change
events.
NOTE: This bit is not affected by the D3
Reserved
Stream Interrupt Enable (SIE) — R/W. When set to 1, the individual streams are
enabled to generate an interrupt when the corresponding status bits get set.
A stream interrupt will be caused as a result of a buffer with IOC = 1in the BDL entry
being completed, or as a result of a FIFO error (underrun or overrun) occurring. Control
over the generation of each of these sources is in the associated Stream Descriptor.
The streams are numbered and the SIE bits assigned sequentially, based on their order
in the register set.
Bit 0: input stream 1
Bit 1: input stream 2
Bit 2: input stream 3
Bit 3: input stream 4
Bit 4: output stream 1
Bit 5: output stream 2
Bit 6: output stream 3
Bit 7: output stream 4
®
High Definition Audio Controller—D27:F0)
00000000h
®
Description
High Definition Audio function is enabled to
HOT
HOT
Attribute:
Size:
to D0 transition.
to D0 transition.
R/W
32 bits
677
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