Lattice Semiconductor ECP5 Versa, User Manual

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34
ECP5 PCI Express Board User’s Guide
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
B side = Secondary Component Side(BOTTOM) A side = PRIMARY Component Side(TOP)
4-Lane PCIe Board Fingers
AC Coupling
x4_PERp2
x4_PERn2
x4_PERp1
x4_PERn1
x4_PERn0 x4_PERp0
x4_PERp0 x4_PERn0 x4_PERn1 x4_PERp1 x4_PERp2 x4_PERp3 x4_PERn2 x4_PERn3
PCIE_3V3
PCIE_3V3
x4_PERp3
x4_PERn3
12_0V
PCIE_PERSTN
[Pg10]
x4_PRSNTn
[Pg10]
x4_PCIE_CLKP
[Pg15]
x4_PCIE_CLKN
[Pg15]
PCSC_HDOUTP2
[Pg15]
PCSC_HDOUTN2
[Pg15]
PCSC_HDOUTP3
[Pg15]
PCSC_HDOUTN3
[Pg15]
PCSC_HDOUTP0
[Pg15]
PCSC_HDOUTN0
[Pg15]
PCSC_HDOUTP1
[Pg15]
PCSC_HDOUTN1
[Pg15]
x4_PETp3
[Pg15]
x4_PETn3
[Pg15]
x4_PETn0
[Pg15]
x4_PETn1
[Pg15]
x4_PETp0
[Pg15]
x4_PETp2
[Pg15]
x4_PETn2
[Pg15]
x4_PETp1
[Pg15]
Date: Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
Nov, 2012
B
B
28
16
PCIe 4-Lane Connector
B
Date: Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
Nov, 2012
B
B
28
16
PCIe 4-Lane Connector
B
Date: Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
Nov, 2012
B
B
28
16
PCIe 4-Lane Connector
B
C396
0.1uF
C0402
TP23
CN3
PCI Express x4 Edge Finger Conn.
PRSNT1#
A1
+12V
A2
+12V
A3
GND
A4
JTAG2
A5
JTAG3
A6
JTAG4
A7
JTAG5
A8
+3.3V
A9
+3.3V
A10
PERST#
A11
GND
A12 A13
REFCLK-
A14
GND
A15
PERp0
A16
PERn0
A17
GND
A18
RSVD_A19
A19
GND
A20
PERp1
A21
PERn1
A22
GND
A23
GND
A24
PERp2
A25
PERn2
A26
GND
A27
GND
A28
PERp3
A29
PERn3
A30
GND
A31
+12V
B1
+12V
B2
RSVD_B3
B3
GND
B4
SMCLK
B5
SMDAT
B6
GND
B7
+3.3V
B8
JTAG1
B9
3.3Vaux
B10
WAKE#
B11
RSVD_B12
B12
GND
B13
PETp0
B14
PETn0
B15
GND
B16
PRSNT3#
B17
GND
B18
PETp1
B19
PETn1
B20
GND
B21
GND
B22
PETp2
B23
PETn2
B24
GND
B25
GND
B26
PETp3
B27
PETn3
B28
GND
B29
RSVD_B30
B30
PRSNT4#
B31
GND
B32
RSVD_A32
A32
C397
0.1uF
C0402
C398
0.1uF
C0402
C399
0.1uF
C0402
C400
0.1uF
C0402
C393
0.1uF
C0402
C394
0.1uF
C0402
C395
0.1uF
C0402
PCI Express Board