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