
15
Chapter 2
HARDWARE INSTALLATION
User's Manual |
WL9A3
P
A58
O PCIE
AC coupled on Module AC Coupling capaci-
tor
Connect to PCIE device or slot
PCI Express Differential Transmit Pairs 3
PCIE_TX3-
A59
AC Coupling capaci-
tor
P
B58
I PCIE
AC coupled off
Module
Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin
PCI Express Differential Receive Pairs 3
PCIE_RX3-
B59
PCIE0_CK_
REF+
A88
O PCIE
PCIE
Connect to PCIE device, PCIe CLK Buffer or slot
Reference clock output for all PCI Express and PCI Express Graph-
ics lanes.
PCIE0_CK_
REF-
A89
DDI Signals Descriptions
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
WL9A3
Carrier Board
Description
DDI/
DP
B71
O PCIE
AC coupled off
Module
Connect AC Coupling Capacitors 0.1uF to Device
DDI 1 Pair 0 differential pairs/Serial Digital Video B red output dif-
ferential pair
DDI1_PAIR0-/
DP0_LANE0-
B72
Connect AC Coupling Capacitors 0.1uF to Device
DDI/
DP
B73
O PCIE
AC coupled off
Module
Connect AC Coupling Capacitors 0.1uF to Device
DDI 1 Pair 1 differential pairs/Serial Digital Video B green output
differential pair
DDI1_PAIR1-/
DP0_LANE1-
B74
Connect AC Coupling Capacitors 0.1uF to Device
DDI/
DP
B75
O PCIE
AC coupled off
Module
Connect AC Coupling Capacitors 0.1uF to Device
DDI 1 Pair 2 differential pairs/Serial Digital Video B blue output dif-
ferential pair
DDI1_PAIR2-/
DP0_LANE2-
B76
Connect AC Coupling Capacitors 0.1uF to Device
DDI/
DP
B81
O PCIE
AC coupled off
Module
Connect AC Coupling Capacitors 0.1uF to Device
DDI 1 Pair 3 differential pairs/Serial Digital Video B clock output
differential pair.
DDI1_PAIR3-/
DP0_LANE3-
B82
Connect AC Coupling Capacitors 0.1uF to Device
DDI B77
NA
NA
NA for WL9A3
DDI1_PAIR4-
B78
NA
NA
DDI B91
NA
NA
NA for WL9A3
DDI1_PAIR5-
B92
NA
NA
DDI B93
NA
NA
NA for WL9A3
DDI1_PAIR6-
B94
NA
NA
DDI1_CTRL-
CLK/DP0_
AUX+
B98
I/O PCIE
AC coupled on Module PD 100K to GND
(S/W IC between
Rpu/PCH)
Connect to DP AUX+
DP AUX+ function if DDI1_DDC_AUX_SEL is no connect
I/O OD
CMOS
3.3V / 3.3V
PU 2.2K to 3.3V, PD
100K to GND
(S/W IC between
Rpu/Rpd resistor)
Connect to HDMI/DVI I2C CTRLCLK
HDMI/DVI I2C CTRLCLK if DDI1_DDC_AUX_SEL is pulled high