NH82801FBM S L89K Intel, NH82801FBM S L89K Datasheet - Page 616
NH82801FBM S L89K
Manufacturer Part Number
NH82801FBM S L89K
Description
Manufacturer
Intel
Datasheet
1.NH82801FBM_S_L89K.pdf
(786 pages)
Specifications of NH82801FBM S L89K
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AC ’97 Modem Controller Registers (D30:F3)
17.2
616
Table 17-2. Intel
AC ’97 Modem I/O Space (D30:F3)
In the case of the split codec implementation accesses to the modem mixer registers in different
codecs are differentiated by the controller by using address offsets 00h
and address offsets 80h
the modem mixer registers.
NOTES:
The Global Control (GLOB_CNT) and Global Status (GLOB_STA) registers are aliased to the
same global registers in the audio and modem I/O space. Therefore a read/write to these registers in
either audio or modem I/O space affects the same physical register. Software could access these
registers as bytes, word, DWord quantities, but reads must not cross DWord boundaries.
1. Registers in italics are for functions not supported by the ICH6
2. Software should not try to access reserved registers
3. The ICH6 supports a modem codec connected to ACZ_SDIN[2:0], as long as the Codec ID is 00 or 01.
Primary
00h:38h
However, the ICH6 does not support more than one modem codec. For a complete list of topologies, see
your ICH6 enabled Platform Design Guide.
3Ch
4Ch
7Ch
3Eh
4Ah
4Eh
5Ah
7Eh
40h
42h
44h
46h
48h
50h
52h
54h
56h
58h
®
ICH6 Modem Mixer Register Configuration
Register
Secondary
80h:B8h
CCh
BCh
BEh
C0h
C2h
C4h
C6h
C8h
CAh
CEh
D0h
D2h
D4h
D6h
D8h
DAh
FCh
FEh
–
FEh for the secondary codec.
Intel RESERVED
Extended Modem ID
Extended Modem Stat/Ctrl
Line 1 DAC/ADC Rate
Line 2 DAC/ADC Rate
Handset DAC/ADC Rate
Line 1 DAC/ADC Level Mute
Line 2 DAC/ADC Level Mute
Handset DAC/ADC Level Mute
GPIO Pin Config
GPIO Polarity/Type
GPIO Pin Sticky
GPIO Pin Wake Up
GPIO Pin Status
Misc. Modem AFE Stat/Ctrl
AC ’97 Reserved
Vendor Reserved
Vendor ID1
Vendor ID2
MMBAR Exposed Registers (D30:F3)
Intel
®
I/O Controller Hub 6 (ICH6) Family Datasheet
Name
Table 17-2
shows the register addresses for
–
7Fh for the primary codec
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