EP4CGX75DF27C7N Altera, EP4CGX75DF27C7N Datasheet - Page 385
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EP4CGX75DF27C7N
Manufacturer Part Number
EP4CGX75DF27C7N
Description
Cyclone IV GX
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 EP4CGX75DF27C7N
Number Of Logic Elements/cells
73920
Number Of Labs/clbs
4620
Total Ram Bits
4257792
Number Of I /o
310
Number Of Gates
-
Voltage - Supply
1.16 V ~ 1.24 V
Mounting Type
*
Operating Temperature
0°C ~ 85°C
Package / Case
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP4CGX75DF27C7N
Manufacturer:
SONGCHUAN
Quantity:
1 000
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Chapter 2: Cyclone IV Reset Control and Power Down
Dynamic Reconfiguration Reset Sequences
Reset Sequence in Channel Reconfiguration Mode
© December 2010 Altera Corporation
2. After the PLL is reset, wait for the pll_locked signal to go high (marker 4)
3. Wait at least five parallel clock cycles after the pll_locked signal is asserted to
4. When the rx_freqlocked signal goes high (marker 7), from that point onwards,
Use the example reset sequence shown in
dynamic reconfiguration controller to change the PCS settings of the transceiver
channel. In this example, the dynamic reconfiguration is used to dynamically
reconfigure the transceiver channel configured in Basic ×1 mode with receiver CDR in
automatic lock mode.
Figure 2–12. Reset Sequence When Using the Dynamic Reconfiguration Controller to Change the
PCS Settings of the Transceiver Channel
Notes to
(1) For t
(2) The busy signal is asserted and deasserted only during initial power up when offset cancellation occurs. In
indicating that the PLL is locked to the input reference clock. After the assertion of
the pll_locked signal, deassert the tx_digitalreset signal (marker 5).
deassert the rx_analogreset signal (marker 6).
wait for at least t
(marker 8). At this point, the receiver is ready for data traffic.
subsequent reset sequences, the busy signal is asserted and deasserted only if there is a read or write operation to
the ALTGX_RECONFIG megafunction.
Reset and Control Signals
LTD_Auto
reconfig_mode_sel[2..0]
Figure
Output Status Signals
channel_reconfig_done
rx_analogreset
duration, refer to the
tx_digitalreset
rx_digitalreset
2–12:
rx_freqlocked
write_all
busy (2)
LTD_Auto
New value
time, then deassert the rx_digitalreset signal
Cyclone IV Device Datasheet
1
1
1
1
2
3
Figure 2–12
Five parallel clock cycles
4
chapter.
5
6
when you are using the
7
t
LTD_Auto
Cyclone IV Device Handbook, Volume 2
(1)
8
2–19
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