Altera Stratix - Page 56

1–38 Altera Corporation
Stratix Device Handbook, Volume 2 July 2005
Fast PLLs
VCCG_PLL1
Guard ring power for PLL 1. Connect this pin to 1.5 V, even if the PLL is not used.
GNDA_PLL1
Analog ground for PLL 1. You can connect this pin to the GND plane on the board.
GNDG_PLL1
Guard ring ground for PLL 1. You can connect this pin to the GND plane on the
board.
VCCA_PLL2
Analog power for PLL 2. Connect this pin to 1.5 V, even if the PLL is not used.
VCCG_PLL2
Guard ring power for PLL 2. Connect this pin to1.5 V, even if the PLL is not used.
GNDA_PLL2
Analog ground for PLL 2. You can connect this pin to the GND plane on the board.
GNDG_PLL2
Guard ring ground for PLL 2. You can connect this pin to the GND plane on the
board.
VCCA_PLL3
Analog power for PLL 3. Connect this pin to 1.5 V, even if the PLL is not used. (1)
VCCG_PLL3
Guard ring power for PLL 3. Connect this pin to 1.5 V, even if the PLL is not
used. (1)
GNDA_PLL3 Analog ground for PLL 3. You can connect this pin to the GND plane on the
board. (1)
GNDG_PLL3 Guard ring ground for PLL 3. You can connect this pin to the GND plane on the
board. (1)
VCCA_PLL4
Analog power for PLL 4. Connect this pin to 1.5 V, even if the PLL is not used. (1)
VCCG_PLL4
Guard ring power for PLL 4. Connect this pin to 1.5 V, even if the PLL is not
used. (1)
GNDA_PLL4
Analog ground for PLL 4. You can connect this pin to the GND plane on the
board. (1)
GNDG_PLL4
Guard ring ground for PLL 4. You can connect this pin to the GND plane on the
board. (1)
VCCA_PLL7
Analog power for PLL 7. Connect this pin to 1.5 V, even if the PLL is not used.
VCCG_PLL7
Guard ring power for PLL 7. Connect this pin to 1.5 V, even if the PLL is not used.
GNDA_PLL7
Analog ground for PLL 7. You can connect this pin to the GND plane on the board.
GNDG_PLL7
Guard ring ground for PLL 7. You can connect this pin to the GND plane on the
board.
VCCA_PLL8
Analog power for PLL 8. Connect this pin to 1.5 V, even if the PLL is not used.
VCCG_PLL8
Guard ring power for PLL 8. Connect this pin to 1.5 V, even if the PLL is not used.
GNDA_PLL8
Analog ground for PLL 8. You can connect this pin to the GND plane on the board.
GNDG_PLL8
Guard ring ground for PLL 8. You can connect this pin to the GND plane on the
board.
VCCA_PLL9
Analog power for PLL 9. Connect this pin to 1.5 V, even if the PLL is not used. (1)
VCCG_PLL9
Guard ring power for PLL 9. Connect this pin to 1.5 V, even if the PLL is not
used. (1)
Table 1–13. Fast PLL Pins (Part 2 of 3)
Pin Description