EP4CE55F29C8LN Altera, EP4CE55F29C8LN Datasheet - Page 101
EP4CE55F29C8LN
Manufacturer Part Number
EP4CE55F29C8LN
Description
IC CYCLONE IV FPGA 55K 780FBGA
Manufacturer
Altera
Series
CYCLONE® IV Er
Datasheets
1.EP4CGX15BN11C8N.pdf
(44 pages)
2.EP4CGX15BN11C8N.pdf
(14 pages)
3.EP4CGX15BN11C8N.pdf
(478 pages)
4.EP4CGX15BN11C8N.pdf
(10 pages)
Specifications of EP4CE55F29C8LN
Number Of Logic Elements/cells
55856
Number Of Labs/clbs
3491
Total Ram Bits
2340000
Number Of I /o
374
Voltage - Supply
0.97 V ~ 1.03 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Chapter 5: Clock Networks and PLLs in Cyclone IV Devices
PLL Reconfiguration
Figure 5–25. Scan Chain Bit Order
© December 2010 Altera Corporation
DATAOUT
HB
LB
0
0
Figure 5–24
Figure 5–24. PLL Component Scan Chain Order
Figure 5–25
PLLs of Cyclone IV devices.
Charge Pump and Loop Filter
You can reconfigure the charge pump and loop filter settings to update the PLL
bandwidth in real time.
charge pump current (I
Cyclone IV devices.
Table 5–8. Charge Pump Bit Control
Table 5–9. Loop Filter Resistor Value Control (Part 1 of 2)
HB
LB
1
1
LFR[4]
DATAIN
0
0
0
0
1
1
1
HB
CP[2]
LB
2
2
0
1
1
1
shows the scan chain order of the PLL components.
shows the scan chain bit order sequence for one PLL post-scale counter in
HB
LB
3
3
LFR[3]
0
0
0
1
0
0
0
DATAOUT
MSB
HB
LB
CP
4
4
Table 5–8
), loop filter resistor (R) , and capacitor (C) values for PLLs of
LF
CP[1]
HB
LB
5
5
0
0
1
1
CP
LFR[2]
through
0
0
1
0
0
0
1
C4
HB
LSB
LB
6
6
Table 5–10
HB
LB
7
7
LFR[1]
C3
N
0
1
0
0
0
1
0
CP[0]
HB
LB
8
8
0
0
0
1
list the possible settings for
Cyclone IV Device Handbook, Volume 1
LB
HB
9
9
C2
M
LFR[0]
0
1
0
0
0
1
0
rselodd
rbypass
Setting (Decimal)
C0
C1
(Decimal)
0
1
3
7
Setting
DATAIN
16
19
20
0
3
4
8
5–39
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