FW82801EB S L73Z Intel, FW82801EB S L73Z Datasheet - Page 576
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FW82801EB S L73Z
Manufacturer Part Number
FW82801EB S L73Z
Description
Manufacturer
Intel
Datasheet
1.FW82801EB_S_L73Z.pdf
(671 pages)
Specifications of FW82801EB S L73Z
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AC ’97 Modem Controller Registers (D31:F6)
16.2.9
576
GLOB_STA—Global Status Register
(Modem—D31:F6)
I/O Address:
Default Value:
Lockable:
31:30
23:22
21:20
19:18
Bit
29
28
27
26
25
24
17
16
Reserved.
AC_SDIN2 Resume Interrupt (S2RI)
AC_SDIN2.
0 = Software clears this bit by writing a 1 to it.
1 = Resume event occurred.
This bit is not affected by D3
AC_SDIN2 Codec Ready (S2CR)
AC_SDIN2. Bus masters ignore the condition of the codec ready bits, so software must check this bit
before starting the bus masters. Once the codec is “ready”, it must never go “not ready”
spontaneously.
0 = Not Ready.
1 = Ready.
Bit Clock Stopped (BCS)
0 = Transition is found on AC_BIT_CLK.
1 = Intel
S/PDIF Interrupt (SPINT)
0 = When the specific status bit is cleared, this bit will be cleared.
1 = S/PDIF out channel interrupt status bits have been set.
PCM In 2 Interrupt (P2INT)
0 = When the specific status bit is cleared, this bit will be cleared.
1 = One of the PCM In 2 channel status bits have been set.
Microphone 2 In Interrupt (M2INT)
0 = When the specific status bit is cleared, this bit will be cleared.
1 = One of the Mic in channel interrupts status bits has been set.
Sample Capabilities
audio.
00 = Reserved
01 = 16 and 20-bit Audio supported (ICH5 value)
10 = Reserved
11 = Reserved
Multichannel Capabilities
PCM Out.
Reserved.
MD3 — R/W. Power down semaphore for Modem. This bit exists in the suspend well and maintains
context across power states (except G3). The bit has no hardware function. It is used by software in
conjunction with the AD3 bit to coordinate the entry of the two codecs into D3 state.
This bit is not affected by D3
AD3 — R/W. Power down semaphore for Audio. This bit exists in the suspend well and maintains
context across power states (except G3). The bit has no hardware function. It is used by software in
conjunction with the MD3 bit to coordinate the entry of the two codecs into D3 state.
This bit is not affected by D3
clocks.
®
ICH5 detects that there has been no transition on AC_BIT_CLK for four consecutive PCI
MBAR + 40h
00300000h
No
—
RO. This field indicates the capability to support more greater than 16-bit
—
—
—
HOT
HOT
HOT
—
RO.
RO. This bit indicates that the bit clock is not running.
RO. This field indicates the capability to support 4 and 6 channels on
RO.
to D0 Reset.
to D0 Reset.
to D0 Reset.
—
—
—
RO. This bit reflects the state of the codec ready bit on
RO.
R/WC. This bit indicates a resume event occurred on
Intel
Description
Attribute:
Size:
Power Well:
®
82801EB ICH5 / 82801ER ICH5R Datasheet
RO, R/W, R/WC
32 bits
Core
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