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Altera Cyclone IV
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Chapter 5: Clock Networks and PLLs in Cyclone IV Devices 5–3
Clock Networks
October 2012 Altera Corporation Cyclone IV Device Handbook,
Volume 1
PLL_3_C1
—————v ——v —————v ——v
PLL_3_C2
—————v v ———————v v ——
PLL_3_C3
—————v v ——————v v
PLL_3_C4
———————v v ———————v v
PLL_4_C0
(3)
—————v ——v v ——v ——————
PLL_4_C1
(3)
—————v ——v v ——v —————
PLL_4_C2
(3)
—————v v ——v v ———————
PLL_4_C3
(3)
—————v v ——v v —————
PLL_4_C4
(3)
———————v v ——v v —————
DPCLK2 ————————————————v ——
DPCLK3
(4)
——————————————————v
DPCLK4
(4)
—————————————————v ——
DPCLK5 ——————————————————v
DPCLK6
(4)
————————v ———————————
DPCLK7 v —————————————
DPCLK8 —————————v ——————————
DPCLK9
(4)
———————v ————————————
DPCLK10 ——————————————v —————
DPCLK11
(4)
———————————v ———————
DPCLK12
(4)
—————————————v ——————
DPCLK13 ———————————v ————————
Notes to Table 5–1:
(1) EP4CGX30 information in this table refers to all EP4CGX30 packages except F484 package.
(2)
PLL_1
and
PLL_2
are multipurpose PLLs while
PLL_3
and
PLL_4
are general purpose PLLs.
(3)
PLL_4
is only available in EP4CGX22 and EP4CGX30 devices in F324 package.
(4) This pin applies to EP4CGX22 and EP4CGX30 devices.
Table 5–1. GCLK Network Connections for EP4CGX15, EP4CGX22, and EP4CGX30
(1),
(2)
(Part 2 of 2)
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

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