LFE2-20E-5FN256I Lattice, LFE2-20E-5FN256I Datasheet - Page 11

• Manufacturer Part Number: LFE2-20E-5FN256I
• Description: IC FPGA 21KLUTS 193I/O 256FPBGA
• Manufacturer: Lattice
• Series: ECP2r

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

Lattice Semiconductor
LatticeECP2/M S-Series Configuration Encryption Usage Guide
LatticeECP2/M Soft Error Detection (SED) Usage Guide
Configuration Modes ........................................................................................................................................ 15-7
Device Wake-Up ............................................................................................................................................ 15-21
Configuration FAQs........................................................................................................................................ 15-23
Technical Support Assistance........................................................................................................................ 15-24
Revision History ............................................................................................................................................. 15-25
Appendix A. Lattice Diamond Usage Overview ............................................................................................. 15-26
Introduction ...................................................................................................................................................... 16-1
General Configuration Process ........................................................................................................................ 16-1
Bitstream Encryption/Decryption Flow ............................................................................................................. 16-3
File Formats ..................................................................................................................................................... 16-7
References..................................................................................................................................................... 16-11
Technical Support Assistance........................................................................................................................ 16-11
Revision History ............................................................................................................................................. 16-11
Appendix A. Lattice Diamond Usage Overview ............................................................................................. 16-12
Introduction ...................................................................................................................................................... 17-1
SED Overview.................................................................................................................................................. 17-1
Hardware Description....................................................................................................................................... 17-2
Signal Description ............................................................................................................................................ 17-2
Dedicated Control Pins ........................................................................................................................... 15-3
Dual-Purpose sysCONFIG Pins.............................................................................................................. 15-4
ispJTAG Pins .......................................................................................................................................... 15-6
SPI Mode ................................................................................................................................................ 15-8
SPIm Mode ........................................................................................................................................... 15-10
Programming SPI Serial Flash.............................................................................................................. 15-13
Slave Serial Mode ................................................................................................................................. 15-13
Slave Parallel Mode .............................................................................................................................. 15-14
ispJTAG Mode ...................................................................................................................................... 15-18
Configuration Options ........................................................................................................................... 15-18
Synchronizing Wake-Up........................................................................................................................ 15-22
General ................................................................................................................................................. 15-23
Mode Specific........................................................................................................................................ 15-24
Converting an ispLEVER Project to Lattice Diamond ........................................................................... 15-26
Importing an ispLEVER Design Project ................................................................................................ 15-26
Adjusting PCS Modules ........................................................................................................................ 15-26
Regenerate PCS Modules .................................................................................................................... 15-26
Using IPexpress with Lattice Diamond.................................................................................................. 15-27
Creating a New Simulation Project Using Simulation Wizard ............................................................... 15-28
Setting Global Preferences in Diamond ................................................................................................ 15-28
Setting Bitstream Generation Options in Diamond ............................................................................... 15-30
Setting Security Options in Diamond .................................................................................................... 15-32
Encrypting the Bitstream ......................................................................................................................... 16-3
Programming the 128-bit Key ................................................................................................................. 16-5
Verifying a Configuration......................................................................................................................... 16-6
Decryption Flow .................................................................................................................................... 16-10
Setting Global Preferences in Diamond ................................................................................................ 16-12
Setting Bitstream Generation Options in Diamond ............................................................................... 16-13
Setting Security Options in Diamond .................................................................................................... 16-15
SEDCLKIN .............................................................................................................................................. 17-2
SEDENABLE........................................................................................................................................... 17-3
SEDCLKOUT .......................................................................................................................................... 17-3
SEDSTART ............................................................................................................................................. 17-3
SEDFRCERR.......................................................................................................................................... 17-3
10
LatticeECP2/M Family Handbook
Table of Contents