2–8
Reference Manual
Altera Corporation
Stratix II GX PCI Express Development Board
August 2006
Featured Device
Figure 2–4. Stratix II GX Device I/O Mapping Resources
Figure 2–5
illustrates the clocking resources on both the EP2SGX90FF1508
and the EP2SGX130GF1508 devices. The parenthetical text refers to
board-level signals as they relate to specific clock pin names noted in both
the
Quartus
®
II Development Software Handbook
and the
Stratix II GX Device
Handbook
.
B4
B9
6
B11
6
B3
B7
B8
1.8 V
1.8 V
DDR2 (SSTL 18)
Flash (CMOS)
DDR2 (SSTL 18)
Flash (CMOS)
QDRII (HSTL 18)
Flash (CMOS)
GigE PHY (CMOS)
QDRII (HSTL)
Flash (CMOS)
1.8V
SFP Port A
SFP Port B
HSMC Port A
2.5 V
HSMC Port A
(LVDS/CMOS)
2.5 V
HSMC Port B
(LVDS/CMOS)
HSMC Port B
PCIe Edge
Lanes [0:3]
PCIe Edge
Lanes [4:7]
HSMC Port B
(2SGX130 only)
2.5V
B2
B1
B13
B14
B15
B16
B17
6
B10
6
B12
Note:
Figure is package-top referenced.