EP4CE55F23C8 Altera, EP4CE55F23C8 Datasheet - Page 380

• Manufacturer Part Number: EP4CE55F23C8
• Description: IC CYCLONE IV FPGA 55K 484FBGA
• Manufacturer: Altera
• Series: CYCLONE® IV Er

Specifications of EP4CE55F23C8

• Number Of Logic Elements/cells: 55856
• Number Of Labs/clbs: 3491
• Total Ram Bits: 2340000
• Number Of I /o: 324
• Voltage - Supply: 1.15 V ~ 1.25 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 484-FBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -

2–14
Figure 2–9. Sample Reset Sequence of Receiver and Transmitter Channel—Receiver CDR in Manual Lock Mode
Notes to
(1) For t
(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
Cyclone IV Device Handbook, Volume 2
Output Status Signals
CDR Control Signals
busy signal is asserted and deasserted only if there is a read or write operation to the ALTGX_RECONFIG megafunction.
LTR_LTD_Manual
LTD_Manual
Figure
rx_analogreset
Reset Signals
rx_locktorefclk
rx_digitalreset
tx_digitalreset
rx_locktodata
pll_areset
pll_locked
busy (3)
2–9:
duration, refer to the
duration, refer to the
1
5. After the rx_freqlocked signal goes high, wait for at least t
Receiver and Transmitter Channel—Receiver CDR in Manual Lock Mode
This configuration contains both a transmitter and receiver channel. If you create a
Receiver and Transmitter instance in the ALTGX MegaWizard Plug-In Manager with
the receiver CDR in manual lock mode, use the reset sequence shown in
the rx_digitalreset signal (marker 8). At this point, the transmitter and
receiver are ready for data traffic.
1 µs
Cyclone IV Device Datasheet
Cyclone IV Device Datasheet
2
Two parallel clock cycles
3
4
5
chapter.
6
chapter.
t
LTR_LTD_Manual
(1)
Chapter 2: Cyclone IV Reset Control and Power Down
7
t
LTD_Manual
7
8
(2)
© December 2010 Altera Corporation
Transceiver Reset Sequences
LTD_Auto
, then deassert
Figure
2–9.