ep3c120f780c8nes Altera Corporation, ep3c120f780c8nes Datasheet - Page 109

• Manufacturer Part Number: ep3c120f780c8nes
• Description: Cyclone Iii Device Family
• Manufacturer: Altera Corporation

Figure 6–3. Cyclone III Clock Control Blocks Placement
Note to
(1)
Altera Corporation-Preliminary
March 2007
There are five clock control blocks on each side.
Figure
DPCLK0
CLK[3..0]
DPCLK1
6–3:
Clock Control
Block (1)
4
PLL
4
1
The inputs to the five clock control blocks on each side must be chosen
from among the following clock sources:
■
■
■
and four DPCLK pins and two CDPCLK pins from both the top
and bottom
■
5
Two DPCLK pins and two CDPCLK pins from both the left and right sides
Four clock input pins
Five PLL counter outputs
Five signals from internal logic
DPCLK2
DPCLK7
GCLK[9..0]
10
10
10
GCLK[9..0]
10
Cyclone III Device Handbook, Volume 1
DPCLK6
DPCLK3
5
PLL
2
4
Clock Control
Block (1)
4
Clock Networks
DPCLK5
CLK[7..4]
DPCLK4
6–9