LFE2-20E-5FN256I Lattice, LFE2-20E-5FN256I Datasheet - Page 499
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LFE2-20E-5FN256I
Manufacturer Part Number
LFE2-20E-5FN256I
Description
IC FPGA 21KLUTS 193I/O 256FPBGA
Manufacturer
Lattice
Series
ECP2r
Datasheets
1.LFE2-12SE-6FN256C.pdf
(389 pages)
2.LFE3-35EA-8FN672I.pdf
(21 pages)
3.LFE2-20E-5FN256I.pdf
(4 pages)
4.LFE2-20E-5FN256I.pdf
(769 pages)
Specifications of LFE2-20E-5FN256I
Number Of Logic Elements/cells
21000
Number Of Labs/clbs
2625
Total Ram Bits
282624
Number Of I /o
193
Number Of Gates
-
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
256-BGA
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
220-1170
LFE2-20E-5FN256I
Q6411457
LFE2-20E-5FN256I
Q6411457
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFE2-20E-5FN256I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
- LFE2-12SE-6FN256C PDF datasheet
- LFE3-35EA-8FN672I PDF datasheet #2
- LFE2-20E-5FN256I PDF datasheet #3
- LFE2-20E-5FN256I PDF datasheet #4
- Current page: 499 of 769
- Download datasheet (18Mb)
Lattice Semiconductor
Appendix E. Lattice Diamond Usage Overview
This appendix discusses the use of Lattice Diamond design software for projects that include the LatticeECP2M
SERDES/PCS module .
For general information about the use of Lattice Diamond, refer to the Lattice Diamond Tutorial.
If you have been using ispLEVER software for your FPGA design projects, Lattice Diamond may look like a big
change. But if you look closer, you will find many similarities because Lattice Diamond is based on the same toolset
and work flow as ispLEVER. The changes are intended to provide a simpler, more integrated, and more enhanced
user interface.
Converting an ispLEVER Project to Lattice Diamond
Design projects created in ispLEVER can easily be imported into Lattice Diamond. The process is automatic
except for the ispLEVER process properties, which are similar to the Diamond strategy settings, and PCS modules.
After importing a project, you need to set up a strategy for it and regenerate any PCS modules.
Importing an ispLEVER Design Project
Make a backup copy of the ispLEVER project or make a new copy that will become the Diamond project.
The project files are converted to Diamond format with the default strategy settings.
Adjusting PCS Modules
PCS modules created with IPexpress have an unusual file structure and need additional adjustment when import-
ing a project from ispLEVER. There are two ways to do this adjustment. The preferred method is to regenerate the
module in Diamond. However this may upgrade the module to a more recent version. An upgrade is usually desir-
able but if, for some reason, you do not want to upgrade the PCS module, you can manually adjust the module by
copying its .txt file into the implementation folder. If you use this method, you must remember to copy the .txt file
into any future implementation folders.
Regenerate PCS Modules
1. In Diamond, choose File > Open > Import ispLEVER Project.
2. In the ispLEVER Project dialog box, browse to the project’s .syn file and open it.
3. If desired, change the base file name or location for the Diamond project. If you change the location, the
1. Find the PCS module in the Input Files folder of File List view. The module may be represented by an .lpc,
2. If the File List view shows the Verilog or VHDL file for the module, and you want to regenerate the module,
3. In File List, double-click the module’s .lpc file. The module’s IPexpress dialog box opens.
4. In the bottom of the dialog box, click Generate. The Generate Log tab is displayed. Check for errors and
new Diamond files will go into the new location, but the original source files will not move or be copied. The
Diamond project will reference the source files in the original location.
.v, or .vhd file.
import the module’s .lpc file:
close.
a. In the File List view, right-click the implementation folder (
b. Browse for the module’s .lpc file, <module_name>.lpc, and select it.
c. Click Add. The .lpc file is added to the File List view.
d. Right-click the module’s Verilog or VHDL file and choose Remove.
8-94
LatticeECP2M SERDES/PCS Usage Guide
) and choose Add > Existing File.
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