4 Pinouts Description
4.1 PCI Express Interface
The below tables lists the PCI Express pins description. For further details, please refer toPCI
Express Interface.
DPU PCI Express x16 Pin Description
Pin
#
Signal
Name
Description Pin
#
Signal
Name
Description
A1 PRSNT1# Mechanical Present B1 12V
A2 12V B2 12V
A3 12V B3 12V
A4 GND B4 GND
A5 TCK JTAG - Not Connected B5 SMCLK Host SMBus
A6 TDI JTAG - Not Connected B6 SMDAT Host SMBus
A7 TDO JTAG - Not Connected B7 GND
A8 TMS JTAG - Not Connected B8 3.3V 3.3V - (Connected in
900-9D3B4-00CC-EA0
& 900-9D3B4-00SC-EA0
only)
A9 3.3V 3.3V - (Connected in 900-9D3B4-00CC-
EA0 & 900-9D3B4-00SC-EA0 only)
B9 TRST# JTAG - Not Connected
A10 3.3V 3.3V - (Connected in 900-9D3B4-00CC-
EA0 & 900-9D3B4-00SC-EA0 only)
B10 3.3V_AUX
A11 PERST# PCIe Reset B11 WAKW#/RSVD
A12 GND B12 SER_DI
A13 REFCLK+ Host Reference Clock B13 GND
A14 REFCLK- Host Reference Clock B14 PETP0
A15 GND B15 PETN0
A16 PERP0 B16 GND
A17 PERN0 B17 RSVD
A18 GND B18 GND
A19 SER_DO B19 PETP1
A20 GND B20 PETN1
A21 PERP1 B21 GND
A22 PERN1 B22 GND
A23 GND B23 PETP2
A24 GND B24 PETN2
A25 PERP2 B25 GND
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