User's Manual l TQMx50UC UM 0101 l © 2018 TQ-Group
Page 19
Table 10:
COM Express™ Connector Pin Assignment (continued)
Pin
Pin-Signal
Description
Type
Remark
C1
GND(FIXED)
Ground
GND
C2
GND
Ground
GND
C3
USB_SSRX0–
SuperSpeed USB3.0 differential receive pairs
I
C4
US
SuperSpeed USB3.0 differentia receive pairs
I
C5
GND
Ground
GND
C6
USB_SSRX1–
SuperSpeed USB3.0 differentia receive pairs
I
C7
US
SuperSpeed USB3.0 differentia receive pairs
I
C8
GND
Ground
GND
C9
USB_SSRX2–
SuperSpeed USB3.0 differentia receive pairs
I
N/A
C10
US
SuperSpeed USB3.0 differentia receive pairs
I
N/A
C11
GND(FIXED)
Ground
GND
C12
USB_SSRX3–
SuperSpeed USB3.0 differentia receive pairs
I
N/A
C13
US
SuperSpeed USB3.0 differentia receive pairs
I
N/A
C14
GND
Ground
GND
C15
DDI
DDI1 DP / HDMI / DVI differential pairs 6
O
N/A
C16
DDI1_PAIR6–
DDI1 DP / HDMI / DVI differential pairs 6
O
N/A
C17
RSVD18
Reserved
NC
C18
RSVD18
Reserved
NC
C19
P
PCI Express differential receive pairs
I
N/A
C20
PCIE_RX6–
PCI Express differential receive pairs
I
N/A
C21
GND(FIXED)
Ground
GND
C22
P
PCI Express differential receive pairs
I
N/A
C23
PCIE_RX7–
PCI Express differential receive pairs
I
N/A
C24
DDI1_HPD
DDI1 Detection of Hot Plug
I PD
C25
DDI
DDI1 DP / HDMI / DVI differential pairs 4
O
N/A
C26
DDI1_PAIR4–
DDI1 DP / HDMI / DVI differential pairs 4
O
N/A
C27
RSVD18
Reserved
NC
C28
RSVD18
Reserved
NC
C29
DDI
DDI1 DP / HDMI / DVI differential pairs 5
O
N/A
C30
DDI1_PAIR5–
DDI1 DP / HDMI / DVI differential pairs 5
O
N/A
C31
GND(FIXED)
Ground
GND
C32
DDI2_CTRL
DDI2_CTRL signal DP AUX, HDMI / DVI CLK
I/O
C33
DDI2_CTRLDATA_AUX–
DDI2_CTRLDATA_AUX– signal DP AUX, HDMI / DVI DATA
I/O
C34
DDI2_DDC_AUX_SEL
Selects the function of DDI2_C/– Signals
I PD
C35
RSVD18
Reserved
NC
C36
DDI3_CTRL
DDI3_CTRL signal DP AUX, HDMI / DVI CLK
I/O
N/A
C37
DDI3_CTRLDATA_AUX–
DDI3_CTRLDATA_AUX– signal DP AUX, HDMI / DVI DATA
I/O
N/A
C38
DDI3_DDC_AUX_SEL
Selects the function of DDI3_C/– Signals
I PU
N/A
C39
DDI
DDI3 DP / HDMI / DVI differential pairs 3
O
N/A
C40
DDI3_PAIR0–
DDI3 DP / HDMI / DVI differential pairs 3
O
N/A
C41
GND(FIXED)
Ground
GND
C42
DDI
DDI3 DP / HDMI / DVI differential pairs 1
O
N/A
C43
DDI3_PAIR1–
DDI3 DP / HDMI / DVI differential pairs 1
O
N/A
C44
DDI3_HPD
DDI3 Detection of Hot Plug
I PD
N/A
C45
RSVD18
Reserved
NC
C46
DDI
DDI3 DP / HDMI / DVI differential pairs 2
O
N/A
C47
DDI3_PAIR2–
DDI3 DP / HDMI / DVI differential pairs 2
O
N/A
C48
RSVD18
Reserved
NC
C49
DDI
DDI3 DP / HDMI / DVI differential pairs 3
O
N/A
C50
DDI3_PAIR3–
DDI3 DP / HDMI / DVI differential pairs 3
O
N/A
C51
GND(FIXED)
Ground
GND
C52
PCI Express differential receive pairs
I
N/A PCIe on request
C53
PEG_RX0–
PCI Express differential receive pairs
I
N/A PCIe on request
C54
TYPE0#
Type 0 Module indication (NC)
NC
C55
PCI Express differential receive pairs
I
N/A PCIe on request
