Pci Express Edge Connector; Table 4-1 Pci Express Edge Connector 1 Pinout - SMART Embedded Computing PCIE-7217 Installation And Use Manual

Controls, Indicators, and Connectors
4.2.2

PCI Express Edge Connector

The first set of gold finger edge connectors follow the standard x16 PCI Express connector
pinout as defined by the PCI Express Card Electromechanical Specification Revision 3.0.
The following table provides further detail.
Table 4-1
Pin Side B
Name
1 +12V
2 +12V
3 +12V
4 GND
5 SMCLK
6 SMDAT
7 GND
8 +3.3V
9 JTAG1
10 3.3V AUX
11 WAKE#
12 RSVD
13 GND
14 Tx_P(0)
15 Tx_N(0)
60
PCI Express Edge Connector 1 Pinout
Description
+12 Volt power
+12 Volt power
+12 Volt power
Ground
PCIE EDGE SMBCLK
SMBus (System
Management Bus) Clock
PCIE EDGE SMBDAT
SMBus (System
Management Bus) Data
Ground
3.3 Volt power
PCIE EDGE TRST L
TRST# (Test Reset)
resets the JTAG interface
3.3 Volt auxiliary power
Signal for Link
reactivation
Reserved
Ground
Transmitter Lane 0
Differential pair
Controls, Indicators, and Connectors
Side A
Name
PRSNT#1
+12V
+12V
GND
JTAG2
JTAG3
JTAG4
JTAG5
+3.3V
+3.3V
PRST#
Mechanical Key
GND
REFCLK+
REFCLK-
GND
PCIE-7217 Installation and Use (6806873A01B)
Description
PCIe edge present
input
+12 Volt power
+12 Volt power
Ground
PCIe Edge Test
Clock (TCK)
PCIe Edge Test
Data Input (TDI)
PCIe Edge Test
Data Output (TDO)
PCIe Edge Test
Mode Select (TMS)
3.3 Volt power
3.3 Volt power
Reset
Ground
Reference clock
Differential pair
Ground