Fitlet1 FACET Cards
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Revision as of 08:03, 9 September 2015 by Maxim (Talk | contribs) (→FACET Card Electrical Interface)
Concept
FACET Cards are implemented with internal T-shaped extension board. The extension board is connected to already available motherboard’s mini PCI Express slot, featuring standard PC interfaces such as PCIe, USB2, SMBus and LPC Bus.
FACET Card Electrical Interface
fitlet mini PCI Express edge connector pinout
fitlet mini PCI Express edge connector | |||||
---|---|---|---|---|---|
Pin # | Pin Name | Signal Description | Pin # | Pin Name | Signal Description |
1 | WAKE# | Open drain, active low signal driven low by a mini PCIe card to reactivate the PCIe link | 2 | 3.3Vaux | 3.3V power rail |
3 | PERn2 | PCI Express Gen2 differential receive pair 2 | 4 | GND | Ground connection |
5 | PERp2 | 6 | 1.5V | 1.5V power rail | |
7 | CLKREQ# | Clock request - open drain, active low driven by mini PCIe card to request PCIe reference clock | 8 | UIM_PWR/Reserved | 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. |
9 | GND | Ground connection | 10 | UIM_DATA/Reserved | |
11 | REFCLK- | Reference clock used to assist the synchronization of PCI Express interface timing circuits | 12 | UIM_CLK/Reserved | |
13 | REFCLK+ | 14 | UIM_RESET/Reserved | ||
15 | GND | Ground connection | 16 | UIM_VPP/Reserved | |
Mechanical Notch Key | |||||
17 | PETn2 | PCI Express Gen2 differential receive pair 2 | 18 | GND | Ground connection |
19 | PETp2 | 20 | W_DISABLE# | Active low signal when asserted by the system disable radio operation. Reserved for future use. | |
21 | GND | Ground connection | 22 | PERST# | Asserted when power is switched off and also can be used by the system to force HW reset |
23 | PERn0 | PCI Express differential receive pair | 24 | 3.3Vaux | 3.3V power rail |
25 | PERp0 | 26 | GND | Ground connection | |
27 | GND | Ground connection | 28 | 1.5V | 1.5V power rail |
29 | GND | Ground connection | 30 | SMB_CLK | Optional SMBus two-wire interface for Host/mini PCIe module communication |
31 | PETn0 | PCI Express differential transmit pair | 32 | SMB_DATA | |
33 | PETp0 | 34 | GND | Ground connection | |
35 | GND | Ground connection | 36 | USB_D- | USB Host Interface |
37 | GND | Ground connection | 38 | USB_D+ | |
39 | 3.3Vaux | 3.3V power rail | 40 | GND | Ground connection |
41 | 3.3Vaux | 3.3V power rail | 42 | LED_WWAN# | Active low output signals are provided to allow status indications to users via system provided LEDs |
43 | PETn1 | PCI Express Gen2 differential transmit pair 1 | 44 | LED_WLAN# | |
45 | PETp1 | 46 | LED_WPAN# | ||
47 | Reserved | tbd | 48 | 1.5V | 1.5V power rail |
49 | PERn1 | PCI Express Gen2 differential receive pair 1 | 50 | GND | Ground connection |
51 | PERp1 | 52 | 3.3Vaux | 3.3V power rail |