EP2C20F256C8N Datasheet, PDF (44/470 Pages) Altera Corporation – Cyclone II Device Handbook, Volume 1

Global Clock Network & Phase-Locked Loops
Figure 2–11. EP2C5 & EP2C8 PLL, CLK[], DPCLK[] & Clock Control Block Locations
DPCLK10
DPCLK8
Clock Control
Block (1)
DPCLK0
CLK[3..0]
DPCLK1
4
4
PLL 1
GCLK[7..0]
8
8
8
8
GCLK[7..0]
PLL 2
4
DPCLK7
CLK[7..4]
4
DPCLK6
Clock Control
Block (1)
DPCLK2
Note to Figure 2–11:
(1) There are four clock control blocks on each side.
DPCLK4
2–18
Cyclone II Device Handbook, Volume 1
Altera Corporation
February 2007