Publication No. PPC11A-HRM/1
Connectors 123
Signal
Description
TDO
Test Data Out. Data from a PMC JTAG chain
TMS
Test Mode Select. Select Test Mode for PMC JTAG
TRDY~
Target Ready. Driven low by the current target to signal its ability to complete the current data phase
TRST~
Test Reset. Reset any PMC JTAG devices
VIO
PCI V(I/O) pins
XCAP
PCI-X Capability detect. Used to determine whether a PMC is PCI-X capable
6.3
XMC Connectors
6.3.1 J15/J25 Connector
J15 and J25 supply the PCIe interface signals to the XMC1 and XMC2 connectors
respectively.
Table 6-12 J15/J25 Pin Assignments
Pin Row A
Row B
Row C
Row D
Row E
Row F
1
PCIE_RX0P PCIE_RX0N P3V3
PCIE_RX1P
PCIE_RX1N
VPWR
2
GND
GND
JTAG_TRST~ GND
GND
RESET_IN~
3
PCIE_RX2P PCIE_RX2N P3V3
PCIE_RX3P
PCIE_RX3N
VPWR
4
GND
GND
JTAG_TCK
GND
GND
RESET_OUT~
5
N/C
N/C
P3V3
N/C
N/C
VPWR
6
GND
GND
JTAG_TMS
GND
GND
P12V_AUX
7
N/C
N/C
P3V3
N/C
N/C
VPWR
8
GND
GND
JTAG_TDI
GND
GND
N12V_AUX
9
N/C
N/C
N/C
N/C
N/C
VPWR
10
GND
GND
JTAG_TDO
GND
GND
GA0
11
PCIE_TX0P PCIE_TX0N MBIST~
PCIE_TX1P
PCIE_TX1N
VPWR
12
GND
GND
GA1
GND
GND
PRESENT~
13
PCIE_TX2P PCIE_TX2N P3V3_AUX
PCIE_TX3P
PCIE_TX3N
VPWR
14
GND
GND
GA2
GND
GND
I2C_DATA
15
N/C
N/C
N/C
N/C
N/C
VPWR
16
GND
GND
NVMRO
GND
GND
I2C CLK
17
N/C
N/C
N/C
N/C
N/C
N/C
18
GND
GND
N/C
GND
GND
N/C
19
REFCLK_P
REFCLK_N
N/C
N/C (WAKE~) N/C (ROOT~) N/C