LFE2-20E-5FN256I Lattice, LFE2-20E-5FN256I Datasheet - Page 708
![no-image](/images/manufacturer_photos/0/3/380/lattice_sml.jpg)
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: 708 of 769
- Download datasheet (18Mb)
Lattice Semiconductor
LatticeECP2/M sysCONFIG Usage Guide
Figure 15-5. SPI Serial Flash Device Window
Second, click on Browse to select an output file name.
Third, select the operation, such as SPI Flash Erase, Program, Verify.
Fourth, select the golden file and primary file. Note that these may be encrypted for the LatticeECP2/M “S” version
or non-encrypted files. If they are encrypted files they must both be encrypted with the same key.
And finally, click on the Generate button. When file generation is complete, click on OK to get back to the main
ispVM window. To program the file into the SPI Serial Flash just click on the GO button on the toolbar.
At power-up, when the PROGRAMN pin is toggled, or when a JTAG Refresh instruction is issued, the
LatticeECP2/M reads the primary file from SPI Serial Flash. If a CRC error is found then the LatticeECP2/M will re-
boot automatically, reading configuration data from the golden file instead of the primary file. Note that if an error is
found in the golden file the LatticeECP2/M will drive the INITN pin low and stop trying to configure.
Note that the flow specified here is for initial programming of the SPI Serial Flash. During a field update of the SPI
Serial Flash it is expected that only the primary configuration file will be updated, not the golden file. This is impor-
tant because it guarantees the availability of a known good configuration file.
15-12
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