Portwell COM Express PCOM-B700G User Manual page 37

COM Express™
A83 GND
A84 NCSI_TX_EN
A85 GPI3
A86 RSVD
A87 RSVD
A88 PCIE_CLK_REF+
A89 PCIE_CLK_REF-
A90 GND(FIXED)
A91 SPI_POWER
A92 SPI_MISO
Copyright © PORTWELL 2018
Pairs
GND
NCSI Transmit Enable
(PD 10K on Carrier when NC-SI is
not used on Carrier)
General purpose input pins. Pulled
high internally on the Module.
Reserved Pin
Reserved Pin
Reference clock output for all PCI
Express and PCI Express
Graphics lanes.
Reference clock output for all PCI
Express and PCI Express
Graphics lanes.
GND(FIXED)
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
Data in to Module from Carrier SPI
PORTWELL PCOM-B700G User's Guide
- - -
I - 3.3V Suspend / 3.3V
I CMOS 3.3V / 3.3V
- - -
- - -
O PCIE PCIE
O PCIE PCIE
- - -
O - 3.3V Suspend / 3.3V
I CMOS 3.3V Suspend / 3.3V
PCOM-B700G User's Guide
- -
PD 270
-
ohm
PU 10k
-
ohm to 3.3V
- -
- -
- -
- -
- -
- -
- -
37