
CompuLab Ltd. FACE Modules – HW Specifications Page 42 of 63
7.4 Hardware Specifications
7.4.1 Mini PCI Express Slot
Table 9 – mini PCI Express edge connector pinout
mini PCI Express edge connector
Open drain, active low signal driven low by a
mini PCIe card to reactivate the PCIe link
Reserved for future wireless coexistence
control interface between radios (if needed)
Clock request - open drain, active low driven
by mini PCIe card to request PCIe reference
clock
The UIM signals are defined on the system
connector to provide the interface between
the removable User Identity Module (UIM)
Interface - an extension of SIM and WWAN.
Reference clock used to assist the
synchronization of PCI Express interface
timing circuits
Active low signal when asserted by the
system disable radio operation. Reserved for
future use.
Asserted when power is switched off and also
can be used by the system to force HW reset
PCI Express differential receive pair
Optional SMBus two-wire interface for
Host/mini PCIe module communication
PCI Express differential transmit pair
Active low output signals are provided to
allow status indications to users via system
provided LEDs
Reserved for future second PCI Express Lane
Comentarios a estos manuales