ep2c35 Altera Corporation, ep2c35 Datasheet - Page 31

• Manufacturer Part Number: ep2c35
• Description: Cyclone Ii Device Family Data Sheet
• Manufacturer: Altera Corporation

Figure 2–12. EP2C15 & Larger PLL, CLK[], DPCLK[] & Clock Control Block Locations
Notes to
(1)
(2)
Altera Corporation
February 2007
There are four clock control blocks on each side.
Only one of the corner CDPCLK pins in each corner can feed the clock control block at a time. The other CDPCLK pins
can be used as general-purpose I/O pins.
CDPCLK0
CDPCLK1
CLK[3..0]
Figure
DPCLK0
DPCLK1
2–12:
4
PLL 3
PLL 1
4
3
CDPCLK7
CDPCLK2
(2)
(2)
Clock Control
DPCLK[11..10]
Block (1)
3
DPCLK[3..2]
4
GCLK[15..0]
2
16
2
CLK[15..12]
CLK[11..8]
16
16
4
4
GCLK[15..0]
16
DPCLK[9..8]
DPCLK[5..4]
2
2
Clock Control
Block (1)
3
4
Cyclone II Device Handbook, Volume 1
CDPCLK6
CDPCLK3
(2)
(2)
3
PLL 4
PLL 2
4
Cyclone II Architecture
4
CDPCLK5
DPCLK7
CLK[7..4]
DPCLK6
CDPCLK4
2–19