Signal Description - Com Express Connector 1 (Cn1A); Audio Signals; Gigabit Ethernet Signals; Pci Express Signals - Avalue Technology ESM-EHLC User Manual

ESM-EHLC User's Manual
2.3.2.1 Signal Description – COM Express Connector 1 (CN1A)

2.3.2.1.1 Audio Signals

Signal
HDA_SYNC
HDA_RST#

2.3.2.1.2 Gigabit Ethernet Signals

Signal
GBE0_MD[0:3] +/-
GBE0_ACT#
GBE0_LINK#
GBE0_LINK100_1000#
GBE0_LINK2500#

2.3.2.1.3 PCI Express Signals

Signal
PCIE_TX[0:4] +/-
PCIE_RX[0:4] +/-

2.3.2.1.4 Flat Panel LVDS Signals

Signal
LVDS_BKLT_CTRL
LVDS_I2C_CK
LVDS_I2C_DAT
LVDS_VDD_EN
22 ESM-EHLC User's Manual
HD Audio Sync
HD Audio Reset
Gigabit Ethernet Controller 0: Media Dependent Interface Differential Pairs 0,1,2,3.
The MDI can operate in 2500, 1000, 100 and 10 Mbit / sec modes. Some pairs are
unused in some modes, per the following:
MDI[0]+/-
MDI[1]+/
MDI[2]+/
MDI[3]+/
Gigabit Ethernet Controller 0 activity indicator, active low.
Gigabit Ethernet Controller 0 link indicator, active low.
Gigabit Ethernet Controller 100 1000 Mbit / sec link indicator, active low.
Gigabit Ethernet Controller 2500 Mbit / sec link indicator, active low.
PCI Express Differential Transmit Pair 0-4
PCI Express Differential Receive Pair 0-4
Controls panel digital power.
I2C clock output for LVDS display use.
I2C data line for LVDS display use.
LVDS panel power enables.
Signal Description
Signal Description
2500B-T/1000B-T
B1_DA+/
B1_DB+/
B1_DC+/
B1_DD+/
Signal Description
Signal Description
100B-T 10B-T
TX+/- TX+/-
RX+/- RX+/-
X
X
X
X