TPCE636 User Manual Issue 1.0.2
Page 35 of 104
User FPGA Gigabit Transceiver (MGT)
7.3
The TPCE636 provides four MGT as Kintex-7 PCI Express Endpoint Block and four MGT for high speed
FireFly Back I/O interface.
PCIe Clock
Kintex-7
M
G
T
B
a
n
k
1
1
6
P
C
Ie
S
w
itc
h
100 MHz
P
C
Ie
X
4
PCIe X4 Interface
PCIe X4 Interface
Si5338
Ref. Clock
156.25 MHz
F
Ir
e
F
ly
I
/O
M
G
T
B
a
n
k
1
1
5
Figure 7-2 : MGT Block Diagram
MGT
TPCE636 Signal
FPGA
Pins
Connected to
MGTXTXP0_115
MGTTX0
P2 / P1
connected to
Back I/O FireFly
Connector
MGTRX0
R4 / R3
MGTXTXP1_115
MGTTX1
M2 / M1
MGTRX1
N4 / N3
MGTXTXP2_115
MGTTX2
K2 / K1
MGTRX2
L4 / L3
MGTXTXP3_115
MGTTX3
H2 / H1
MGTRX3
J4 / J3
MGTXTXP0_116
PET_03
G4 / G3
used for PCI Express
Endpoint Block
and
connected to PCIe X4
Connector
PER_03
F2 / F1
MGTXTXP1_116
PET_02
E4 / E3
PER_02
D2 / D1
MGTXTXP2_116
PET_01
C4 / C3
PER_01
B2 / B1
MGTXTXP3_116
PET_00
B6 / B5
PER_00
A4 / A3
Table 7-3 : MGT Connections