EP4CGX110CF23I7 Altera, EP4CGX110CF23I7 Datasheet - Page 98
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EP4CGX110CF23I7
Manufacturer Part Number
EP4CGX110CF23I7
Description
IC CYCLONE IV FPGA 110K 484FBGA
Manufacturer
Altera
Series
CYCLONE® IV GXr
Datasheets
1.EP4CGX15BN11C8N.pdf
(44 pages)
2.EP4CGX15BN11C8N.pdf
(14 pages)
3.EP4CGX15BN11C8N.pdf
(478 pages)
4.EP4CGX15BN11C8N.pdf
(10 pages)
Specifications of EP4CGX110CF23I7
Number Of Logic Elements/cells
109424
Number Of Labs/clbs
6839
Total Ram Bits
5490000
Number Of I /o
270
Voltage - Supply
1.16 V ~ 1.24 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
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5–36
Figure 5–22. PLL Reconfiguration Scan Chain
Cyclone IV Device Handbook, Volume 1
scanclkena
configupdate
scandataout
scandone
scandata
inclk
scanclk
1
The counter settings are updated synchronously to the clock frequency of the
individual counters. Therefore, not all counters update simultaneously.
To reconfigure the PLL counters, perform the following steps:
1. The scanclkena signal is asserted at least one scanclk cycle prior to shifting in
2. Serial data (scandata) is shifted into the scan chain on the second rising edge of
3. After all 144 bits have been scanned into the scan chain, the scanclkena signal is
4. The configupdate signal is asserted for one scanclk cycle to update the PLL
5. The scandone signal goes high indicating that the PLL is being reconfigured. A
6. Reset the PLL using the areset signal if you make any changes to the M, N,
7. You can repeat steps
from M counter
from N counter
/C4
the first bit of scandata (D0).
scanclk.
de-asserted to prevent inadvertent shifting of bits in the scan chain.
counters with the contents of the scan chain.
falling edge indicates that the PLL counters have been updated with new settings.
post-scale output C counters, or the I
/C3
1
PFD
through
/C2
5
to reconfigure the PLL any number of times.
LF/K/CP
CP
Chapter 5: Clock Networks and PLLs in Cyclone IV Devices
/C1
, R, C settings.
/C0
VCO
© December 2010 Altera Corporation
/M
F
PLL Reconfiguration
VCO
/N
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