NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 593
NHE6300ESB S L7XJ
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NHE6300ESB S L7XJ
Description
Manufacturer
Intel
Datasheet
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14—Intel
14.2
Table 516. Intel
November 2007
Order Number: 300641-004US
®
6300ESB ICH
AC’97 Modem I/O Space (D31:F6)
In the case of split codec implementation, accesses to the modem mixer registers in
different codecs are differentiated by the controller by using address offsets 00h - 7Fh
for the primary codec and address offsets 80h - FEh for the secondary codec.
shows the register addresses for the modem mixer registers.
Configuration
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.
S/W could access these registers as bytes, word, or dWord quantities, but reads must
not cross dWord boundaries.
These registers exist in I/O space and reside in the AC ‘97 controller. The two channels,
Modem in and Modem out, each have their own set of Bus Mastering registers. The
following register descriptions apply to both channels. The naming prefix convention
NOTES:
1. Registers in italics are for functions not supported by the Intel
2. Software should not try to access reserved registers.
3. The Intel
Primary
00h:38h
Codec ID is 00 or 01. However, the Intel
modem codec. For a complete list of topologies, see the Intel
Platform Design Guide.
3Ch
3Eh
40h
42h
44h
46h
48h
4Ah
4Ch
4Eh
50h
52h
54h
56h
58h
5Ah
7Ch
7Eh
®
6300ESB I/O Controller Hub Modem Mixer Register
Register
®
6300ESB ICH supports a modem codec connected to AC_SDIN[2:0] as long as the
Secondary
80h:B8h
DAh
BCh
C0h
C2h
C4h
C6h
C8h
CAh
CCh
CEh
D0h
D2h
D4h
D6h
D8h
BEh
FCh
FEh
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 (D31:F6)
®
6300ESB ICH does not support more than one
Name
®
®
875P/E7210/6300ESB Chipset
Intel
6300ESB ICH.
®
6300ESB I/O Controller Hub
Table 516
593
DS
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