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2017
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8.1
A-B Connector Signal Descriptions
Table 10 Intel
®
High Definition Audio Link Signals Descriptions
Signal
Pin #
Description
I/O
PU/PD Comment
AC/HDA_RST#
A30
Intel
®
High Definition Audio Reset: This signal is the master hardware reset to
external codec(s).
O 3.3VSB
AC’97 codecs are not supported.
AC/HDA_SYNC
A29
Intel
®
High Definition Audio Sync: This signal is a 48 kHz fixed rate sample sync
to the codec(s). It is also used to encode the stream number.
O 3.3VSB
AC’97 codecs are not supported.
AC/HDA_BITCLK
A32
Intel
®
High Definition Audio Bit Clock Output: This signal is a 24.000MHz serial
data clock generated by the Intel
®
High Definition Audio controller.
O 3.3VSB
AC’97 codecs are not supported.
AC/HDA_SDOUT
A33
Intel
®
High Definition Audio Serial Data Out: This signal is the serial TDM data
output to the codec(s). This serial output is double-pumped for a bit rate of 48
Mbps for Intel
®
High Definition Audio.
O 3.3VSB
PU 1K
3.3VSB
AC’97 codecs are not supported.
AC/HDA_SDOUT is a boot strap signal
(see note below)
AC/HDA_SDIN[1:0] B29-B30 Intel
®
High Definition Audio Serial Data In [0]: These signals are serial TDM
data inputs from the three codecs. The serial input is single-pumped for a bit
rate of 24 Mbps for Intel
®
High Definition Audio.
I 3.3VSB
Pin B28 (HDA_SDIN2) is not connected.
Note
Some signals have special functionality during the reset process. They may bootstrap some basic important functions of the module. For more
information refer to section 8.5 of this user’s guide.
Table 11 Gigabit Ethernet Signal Descriptions
Gigabit
Ethernet
Pin # Description
I/O
PU/PD Comment
GB
GBE0_MDI0-
GB
GBE0_MDI1-
GB
GBE0_MDI2-
GB
GBE0_MDI3-
A13
A12
A10
A9
A7
A6
A3
A2
Gigabit Ethernet Controller 0: Media Dependent Interface Differential Pairs 0, 1, 2, 3. The MDI can operate
in 1000, 100, and 10Mbit/sec modes. Some pairs are unused in some modes according to the following:
I/O
Analog
Twisted pair
signals for
external
transformer.
1000
100
10
MDI[0]+/-
B1_DA+/-
TX+/-
TX+/-
MDI[1]+/-
B1_DB+/-
RX+/-
RX+/-
MDI[2]+/-
B1_DC+/-
MDI[3]+/-
B1_DD+/-
GBE0_ACT#
B2
Gigabit Ethernet Controller 0 activity indicator, active low.
O 3.3VSB
GBE0_LINK#
A8
Gigabit Ethernet Controller 0 link indicator, active low.
O 3.3VSB
GBE0_LINK100#
A4
Gigabit Ethernet Controller 0 100Mbit/sec link indicator, active low.
O 3.3VSB
GBE0_LINK1000#
A5
Gigabit Ethernet Controller 0 1000Mbit/sec link indicator, active low.
O 3.3VSB