FM680 User Manual
r1.7
FM680
Page 10 of 32
XMC Pn5
PER0x 0
Virtex 5
(FPGA A)
PCIe Switch
PET0x 0
PER0x 1
PET0x 1
PER0x 2
PET0x 2
PER0x 3
PET0x 3
PER0x 4
PET0x 4
PER0x 5
PET0x 5
PER0x 6
PET0x 6
PER0x 7
PET0x 7
RefCLK
CLK buffer
XMC Pn6
PER1x 0
PET1x 0
PER1x 1
PET1x 1
PER1x 2
PET1x 2
PER0x 3
PET0x 3
PER1x 4
PET1x 4
PER1x 5
PET1x 5
PER1x 6
PET1x 6
PER1x 7
PET1x 7
RefCLK
CLK buffer
Virtex 6
(FPGA B)
MGT_112_0
MGT_112_1
MGT_114_0
MGT_114_1
MGTREFCLK_112
PER0x 0
PET0x 0
PER0x 1
PET0x 1
PER0x 2
PET0x 2
PER0x 3
PET0x 3
PER0x 0
PET0x 0
PER0x 1
PET0x 1
PER0x 2
PET0x 2
PER0x 3
PET0x 3
PER0x 4
PET0x 4
PER0x 5
PET0x 5
PER0x 6
PET0x 6
PER0x 7
PET0x 7
MGT_112_0
MGT_112_1
MGT_112_2
MGT_112_3
MGTREFCLK_112_0
MGT_113_0
MGT_113_1
MGT_113_2
MGT_113_3
MGT_114_0
MGT_114_1
MGT_114_2
MGT_114_3
MGT_115_0
MGT_115_1
MGT_115_2
MGT_115_3
PER1x 0
PET1x 0
PER1x 1
PET1x 1
PER1x 2
PET1x 2
PER0x 3
PET0x 3
PER0x 4
PET1x 4
PER1x 5
PET1x 5
PER1x 6
PET1x 6
PER1x 7
PET1x 7
RefCLK
MGTREFCLK_114_0
MGTREFCLK_115_1
RefCLK
Pci_select
select
Figure 3: PCI-express subsystem diagram.
NOTE:
There is a swap between the PET0TX0 and PET0TX1 on the FM680.
5.4 XMC P15 connector
The Table 3 shows the pin out as defined by VITA 42.3. Only the highlighted pins are connected on
the FM680. Table 4 indicates the signals usage and on board connections.
Table 3: XMC P15 pin out as per VITA 42.3
A
B
C
D
E
F