Chapter 5: Clock Networks and PLLs in Cyclone IV Devices 5–9
Clock Networks
October 2012 Altera Corporation Cyclone IV Device Handbook,
Volume 1
DPCLK2
(4)
CDPCLK1
, or
CDPCLK2
(2),
(5)
———vv———————————————
DPCLK5
(4)
DPCLK7
(2)
—————v ——————————————
DPCLK4
(4)
DPCLK6
(2)
——————v —————————————
DPCLK6
(4)
CDPCLK5
, or
CDPCLK6
(2),
(5)
———————v ————————————
DPCLK3
(4)
CDPCLK4
, or
CDPCLK3
(2),
(5)
————————vv——————————
DPCLK8
——————————v —————————
DPCLK11
———————————v ————————
DPCLK9
————————————v ———————
DPCLK10
—————————————vv—————
DPCLK5
———————————————v ————
DPCLK2
————————————————v ———
DPCLK4
—————————————————v ——
DPCLK3
——————————————————vv
Notes to Table 5–3:
(1) EP4CE6 and EP4CE10 devices only have GCLK networks 0 to 9.
(2) These pins apply to all Cyclone IV E devices except EP4CE6 and EP4CE10 devices.
(3) EP4CE6 and EP4CE10 devices only have
PLL_1
and
PLL_2
.
(4) This pin applies only to EP4CE6 and EP4CE10 devices.
(5) Only one of the two
CDPCLK
pins can feed the clock control block. You can use the other pin as a regular I/O pin.
Table 5–3. GCLK Network Connections for Cyclone IV E Devices
(1)
(Part 3 of 3)
GCLK Network Clock
Sources
GCLK Networks
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19