876784 Intel, 876784 Datasheet - Page 642
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876784
Manufacturer Part Number
876784
Description
Manufacturer
Intel
Datasheet
1.876784.pdf
(848 pages)
Specifications of 876784
Lead Free Status / RoHS Status
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16.2.9
642
GLOB_STA—Global Status Register (Audio—D30:F2)
I/O Address:
Default Value: 00x0xxx01110000000000xxxxx00xxxb
Lockable:
31:30
23:22
21:20
19:18
Bit
29
28
27
26
25
24
17
Reserved.
ACZ_SDIN2 Resume Interrupt (S2RI) — R/WC. This bit indicates a resume event
occurred on ACZ_SDIN2. Software clears this bit by writing a 1 to it.
0 = Resume event did Not occur.
1 = Resume event occurred.
NOTE: This bit is not affected by D3
ACZ_SDIN2 Codec Ready (S2CR)
ACZ_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
not go “not ready” spontaneously.
0 = Not Ready.
1 = Ready.
Bit Clock Stopped (BCS)
0 = Transition is found on 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
16-bit audio.
00 = Reserved
01 = 16 and 20-bit Audio supported (ICH7 value)
10 = Reserved
11 = Reserved
Multichannel Capabilities
and 6 channels on 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.
NOTE: This bit is not affected by D3
consecutive PCI clocks.
®
NABMBAR + 30h
No
ICH7 detected that there has been no transition on BIT_CLK for four
AC ’97 Audio Controller Registers (D30:F2) (Desktop and Mobile Only)
—
RO. This field indicates the capability to support greater than
—
—
—
RO. This bit indicates that the bit clock is not running.
RO. This field indicates the capability to support more 4
—
RO.
RO.
HOT
HOT
—
Description
RO. Reflects the state of the codec ready bit on
—
to D0 Reset.
to D0 Reset.
Attribute:
Power Well:
RO.
Size:
Intel
RO, R/W, R/WC
Core
®
ICH7 Family Datasheet
32 bits
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