LFEC3E-3QN208I Lattice, LFEC3E-3QN208I Datasheet - Page 463
LFEC3E-3QN208I
Manufacturer Part Number
LFEC3E-3QN208I
Description
IC FPGA 3KLUTS 208PQFP
Manufacturer
Lattice
Series
EC3r
Datasheets
1.LFEC3E-5TN144C.pdf
(163 pages)
2.LFE3-35EA-8FN672I.pdf
(21 pages)
3.LFEC3E-3QN208I.pdf
(478 pages)
Specifications of LFEC3E-3QN208I
Number Of Logic Elements/cells
3100
Number Of Labs/clbs
-
Total Ram Bits
56320
Number Of I /o
145
Number Of Gates
-
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
208-BFQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
Q6377645
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFEC3E-3QN208I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Programming Procedure
In order to program SPI Serial Flash via ispJTAG the FPGA must contain the Soft SPI Interface. Programming the
SPI Serial Flash with ispVM System and an ispDOWNLOAD cable makes this transparent to the user. The soft-
ware simply loads a default Soft SPI Interface bitstream into the FPGA and then loads the user bitstream into the
Flash. Once programing of the SPI Serial Flash is complete the FPGA configures itself by reading the Flash. Again,
software makes all of this transparent to the user so that it is no different than programming any other serial boot
device.
The following instructions describe the process of selecting the FPGA, selecting the SPI Serial Flash, and pro-
gramming the SPI Serial Flash. The following screen shots are from ispVM System 15.0.
Figure 21-3. Main Window, Scan Complete
1. Connect the ispDOWNLOAD Cable to the appropriate header and apply power to the board.
2. Start the ispVM System software.
3. From the main window click on the Scan button located on the toolbar. The LatticeECP/EC device should
4. Double-click the number in the Index column and select the appropriate device to open the Device Infor-
be detected automatically (if it’s not detected, check the ispJTAG connections and make sure the board is
powered up). The resulting screen should be similar to Figure 21-3.
mation window, shown in Figure 21-4.
21-7
SPI Serial Flash Programming Using ispJTAG
on LatticeECP/EC FPGAs
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