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COM Express
™
PORTWELL PCOM-B700G User's Guide
Copyright © PORTWELL 2018 PCOM-B700G User's Guide
37
Pairs
A83
GND
GND
-
-
-
-
-
A84
NCSI_TX_EN
NCSI Transmit Enable
(PD 10K on Carrier when NC-SI is
not used on Carrier)
I
-
3.3V Suspend / 3.3V
PD 270
ohm
-
A85
GPI3
General purpose input pins. Pulled
high internally on the Module.
I
CMOS
3.3V / 3.3V
PU 10k
ohm to 3.3V
-
A86
RSVD
Reserved Pin
-
-
-
-
-
A87
RSVD
Reserved Pin
-
-
-
-
-
A88
PCIE_
Reference clock output for all PCI
Express and PCI Express
Graphics lanes.
O
PCIE
PCIE
-
-
A89
PCIE_CLK_REF-
Reference clock output for all PCI
Express and PCI Express
Graphics lanes.
O
PCIE
PCIE
-
-
A90
GND(FIXED)
GND(FIXED)
-
-
-
-
-
A91
SPI_POWER
Power supply for Carrier Board
SPI
– sourced from Module –
nominally 3.3V. The Module shall
provide a minimum of 100mA on
SPI_POWER. Carriers shall use
less than 100mA of SPI_POWER.
SPI_POWER shall only be used to
power SPI devices on the Carrier
O
-
3.3V Suspend / 3.3V
-
-
A92
SPI_MISO
Data in to Module from Carrier SPI
I
CMOS
3.3V Suspend / 3.3V
-
-