EP2C5F256I8N Datasheet, PDF (28/168 Pages) Altera Corporation – Section I. Cyclone II Device Family Data Sheet

Global Clock Network & Phase-Locked Loops
Table 2–1. Cyclone II Device Routing Scheme (Part 2 of 2)
Destination
Source
LE
vvvv
v
M4K memory
vvv
v
Block
Embedded
Multipliers
vvv
v
PLL
vv
v
Column IOE
vv
Row IOE
vvvv
Global Clock
Network &
Phase-Locked
Loops
Cyclone II devices provide global clock networks and up to four PLLs for
a complete clock management solution. Cyclone II clock network features
include:
■ Up to 16 global clock networks
■ Up to four PLLs
■ Global clock network dynamic clock source selection
■ Global clock network dynamic enable and disable
2–16
Cyclone II Device Handbook, Volume 1
Altera Corporation
February 2007