EP4CE55F29I8L Altera, EP4CE55F29I8L Datasheet - Page 387
EP4CE55F29I8L
Manufacturer Part Number
EP4CE55F29I8L
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 EP4CE55F29I8L
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
-40°C ~ 100°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
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Chapter 2: Cyclone IV Reset Control and Power Down
Power Down
Power Down
Figure 2–13. Sample Reset Sequence of a Receiver and Transmitter Channels-Receiver CDR in Automatic Lock Mode with
the Optional gxb_powerdown Signal
Notes to
(1) The gxb_powerdown signal must not be asserted during the offset cancellation sequence.
(2) For t
(3) The busy signal is asserted and deasserted only during initial power up when offset cancellation occurs. In subsequent reset sequences, the
© December 2010 Altera Corporation
Reset/Power Down Signals
busy signal is asserted and deasserted only if there is a read or write operation to the ALTGX_RECONFIG megafunction.
Output Status Signals
LTD_Auto
Figure
gxb_powerdown
rx_analogreset
rx_digitalreset
duration, refer to the
tx_digitalreset
2–13:
rx_freqlocked
pll_areset
pll_locked
busy (3)
The Quartus II software automatically selects the power-down channel feature, which
takes effect when you configure the Cyclone IV GX device. All unused transceiver
channels and blocks are powered down to reduce overall power consumption. The
gxb_powerdown signal is an optional transceiver block signal. It powers down all
transceiver channels and all functional blocks in the transceiver block. The minimum
pulse width for this signal is 1 s. After power up, if you use the gxb_powerdown
signal, wait for deassertion of the busy signal, then assert the gxb_powerdown signal
for a minimum of 1 s. Lastly, follow the sequence shown in
The deassertion of the busy signal indicates proper completion of the offset
cancellation process on the receiver channel.
Cyclone IV Device Datasheet
(Note 1)
2
1
chapter.
1 µs
3
4
5
6
Cyclone IV Device Handbook, Volume 2
Figure
2–13.
7
t
LTD_Auto
(2)
8
2–21
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