PLLs in Stratix II and Stratix II GX Devices
Table 1–11 shows the physical pins and their purpose for the fast PLLs.
For inclkport connections to pins, see “Clocking” on page 1–62.
Table 1–11. Fast PLL Pins (Part 1 of 2)
Pin
CLK0p/n
Note (1)
Description
Single-ended or differential pins that can drive the inclkport for PLLs 1, 2, 7 or 8.
Single-ended or differential pins that can drive the inclkport for PLLs 1, 2, 7 or 8.
Single-ended or differential pins that can drive the inclkport for PLLs 1, 2, 7 or 8.
Single-ended or differential pins that can drive the inclkport for PLLs 1, 2, 7 or 8.
Single-ended or differential pins that can drive the inclkport for PLLs 3, 4, 9 or 10.
Single-ended or differential pins that can drive the inclkport for PLLs 3, 4, 9 or 10.
Single-ended or differential pins that can drive the inclkport for PLLs 3, 4, 9 or 10.
Single-ended or differential pins that can drive the inclkport for PLLs 3, 4, 9 or 10.
Single-ended or differential pins that can drive the inclkport for PLL 7.
CLK1p/n
CLK2p/n
CLK3p/n
CLK8p/n
CLK9p/n
CLK10p/n
CLK11p/n
FPLL7CLKp/n
FPLL8CLKp/n
FPLL9CLKp/n
FPLL10CLKp/n
PLL_ENA
Single-ended or differential pins that can drive the inclkport for PLL 8.
Single-ended or differential pins that can drive the inclkport for PLL 9.
Single-ended or differential pins that can drive the inclkport for PLL 10.
Dedicated input pin that drives the pllenaport of all or a set of PLLs. If you do not use
this pin, connect it to GND.
Digital power for PLLs. You must connect this pin to 1.2 V, even if the PLL is not used.
Analog power for PLL 1. You must connect this pin to 1.2 V, even if the PLL is not used.
Analog ground for PLL 1. Your can connect this pin to the GND plane on the board.
Analog power for PLL 2. You must connect this pin to 1.2 V, even if the PLL is not used.
Analog ground for PLL 2. You can connect this pin to the GND plane on the board.
Analog power for PLL 3. You must connect this pin to 1.2 V, even if the PLL is not used.
Analog ground for PLL 3. You can connect this pin to the GND plane on the board.
Analog power for PLL 4. You must connect this pin to 1.2 V, even if the PLL is not used.
Analog ground for PLL 4. You can connect this pin to the GND plane on the board.
Analog ground for PLL 7. You can connect this pin to the GND plane on the board.
Analog power for PLL 8. You must connect this pin to 1.2 V, even if the PLL is not used.
Analog ground for PLL 8. You can connect this pin to the GND plane on the board.
Analog power for PLL 9. You must connect this pin to 1.2 V, even if the PLL is not used.
Analog ground for PLL 9. You can connect this pin to the GND plane on the board.
Analog power for PLL 10. You must connect this pin to 1.2 V, even if the PLL is not used.
VCCD_PLL
VCCA_PLL1
GNDA_PLL1
VCCA_PLL2
GNDA_PLL2
VCCA_PLL3
GNDA_PLL3
VCCA_PLL4
GNDA_PLL4
GNDA_PLL7
VCCA_PLL8
GNDA_PLL8
VCCA_PLL9
GNDA_PLL9
VCCA_PLL10
Altera Corporation
July 2009
1–19
Stratix II Device Handbook, Volume 2
ALTERA [ ALTERA CORPORATION ]
