User's Manual l TQMx50UC UM 0101 l © 2018 TQ-Group
Page 21
Table 10:
COM Express™ Connector Pin Assignment (continued)
Pin
Pin-Signal
Description
Type
Remark
D1
GND(FIXED)
Ground
GND
D2
GND
Ground
GND
D3
USB_SSTX0–
SuperSpeed USB3.0 differential transmit pairs
O
D4
US
SuperSpeed USB3.0 differential transmit pairs
O
D5
GND
Ground
GND
D6
USB_SSTX1–
SuperSpeed USB3.0 differential transmit pairs
O
D7
US
SuperSpeed USB3.0 differential transmit pairs
O
D8
GND
Ground
GND
D9
USB_SSTX2–
SuperSpeed USB3.0 differential transmit pairs
O
N/A
D10
US
SuperSpeed USB3.0 differential transmit pairs
O
N/A
D11
GND(FIXED)
Ground
GND
D12
USB_SSTX3–
SuperSpeed USB3.0 differential transmit pairs
O
N/A
D13
US
SuperSpeed USB3.0 differential transmit pairs
O
N/A
D14
GND
Ground
GND
D15
DDI1_CTRL
DDI1_CTRL signal DP AUX, HDMI / DVI CLK
I/O
D16
DDI1_CTRLDATA_AUX–
DDI1_CTRLDATA_AUX– signal DP AUX, HDMI / DVI DATA
I/O
D17
RSVD18
Reserved
NC
D18
RSVD18
Reserved
NC
D19
P
PCI Express differential transmit pairs
O
N/A
D20
PCIE_TX6–
PCI Express differential transmit pairs
O
N/A
D21
GND(FIXED)
Ground
GND
D22
P
PCI Express differential transmit pairs
O
N/A
D23
PCIE_TX7–
PCI Express differential transmit pairs
O
N/A
D24
(RSVD) SER1_RTS#
Serial port 1 Request To Send
O
TQ-flexiCFG
D25
(RSVD) SER1_CTS#
Serial port 1 Clear To Send
I PU
TQ-flexiCFG
D26
DDI
DDI1 DP / HDMI / DVI differential pairs 0
O
D27
DDI1_PAIR0–
DDI1 DP / HDMI / DVI differential pairs 0
O
D28
RSVD18
Reserved
NC
D29
DDI
DDI1 DP / HDMI / DVI differential pairs 1
O
D30
DDI1_PAIR1–
DDI1 DP / HDMI / DVI differential pairs 1
O
D31
GND(FIXED)
Ground
GND
D32
DDI
DDI1 DP / HDMI / DVI differential pairs 2
O
D33
DDI1_PAIR2–
DDI1 DP / HDMI / DVI differential pairs 2
O
D34
DDI1_DDC_AUX_SEL
Selects the function of DDI1_C/– Signals
I PD
D35
RSVD18
Reserved
NC
D36
DDI
DDI1 DP / HDMI / DVI differential pairs 3
O
D37
DDI1_PAIR3–
DDI1 DP / HDMI / DVI differential pairs 3
O
D38
RSVD18
Reserved
NC
D39
DDI
DDI2 DP / HDMI / DVI differential pairs 0
O
D40
DDI2_PAIR0–
DDI2 DP / HDMI / DVI differential pairs 0
O
D41
GND(FIXED)
Ground
GND
D42
DDI
DDI2 DP / HDMI / DVI differential pairs 1
O
D43
DDI2_PAIR1–
DDI2 DP / HDMI / DVI differential pairs 1
O
D44
DDI2_HPD
DDI2 Detection of Hot Plug
I PD
D45
RSVD18
Reserved
NC
D46
DDI
DDI2 DP / HDMI / DVI differential pairs 2
O
D47
DDI2_PAIR2–
DDI2 DP / HDMI / DVI differential pairs 2
O
D48
RSVD18
Reserved
NC
D49
DDI
DDI2 DP / HDMI / DVI differential pairs 3
O
D50
DDI2_PAIR3–
DDI2 DP / HDMI / DVI differential pairs 3
O
D51
GND(FIXED)
Ground
GND
D52
PCI Express differential transmit pairs
O
N/A, PCIe on request
D53
PEG_TX0–
PCI Express differential transmit pairs
O
N/A, PCIe on request
D54
PEG_LANE_RV#
PCI Express Graphics lane reversal input strap
I PU
N/A
D55
PCI Express differential transmit pairs
O
N/A, PCIe on request
