2–56
Reference Manual
Altera Corporation
Stratix II GX PCI Express Development Board
August 2006
Power Supply
Components Attached to Each Power Rail
Table 2–36
shows the components attached to each power rail voltage.
512-Mb flash
Configuration flash
1.8 V
EPM570 CPLD
Configuration flash
1.8 V
SFP A
3.3-V to module
3.3 V
SFP B
3.3-V to module
3.3 V
Cooling fan
Cooling fan
12 V
HSMC A
12-V to card
12 V
3.3-V to card
3.3 V
HSMC B
12-V to card
12 V
3.3-V to card
3.3 V
Note to
Table 2–35
:
(1)
Using pre-release EPS2GX device power calculator. Assumes x8 PCIe + Dual
6.25Gb/s mezzanine cards (1 x 6 and 1 x 4) and two SONET SFPs (20-channel
EP2SGX130 device).
Table 2–36. Power by Rail (Part 1 of 2)
Power Rail
Interface Name
1.2 V
FPGA – VCCINT
FPGA – VCCA (PLL)
FPGA – VCCT (XCVR TX)
FPGA – VCCR (XCVR RX)
FPGA – VCCP (XCVR PCS)
DVDD (digital)
Total
1.5 V
FPGA – VCCG (XCVR TX buffer)
Total
Table 2–35. Power By Component (Part 2 of 2)
Board Device
Interface Name
Voltage