LFEC3E-3QN208I Lattice, LFEC3E-3QN208I Datasheet - Page 7

• Manufacturer Part Number: LFEC3E-3QN208I
• Description: IC FPGA 3KLUTS 208PQFP
• Manufacturer: Lattice
• Series: EC3r

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

Lattice Semiconductor
Power Estimation and Management for LatticeECP/EC and LatticeXP Devices
LatticeECP/EC sysCONFIG Usage Guide
Introduction ...................................................................................................................................................... 12-1
Power Supply Sequencing and Hot Socketing................................................................................................. 12-1
Power Calculator Hardware Assumptions........................................................................................................ 12-1
Power Calculator.............................................................................................................................................. 12-1
Activity Factor................................................................................................................................................. 12-17
Ambient and Junction Temperature and Airflow ............................................................................................ 12-18
Managing Power Consumption ...................................................................................................................... 12-18
Power Calculator Assumptions ...................................................................................................................... 12-19
Revision History ............................................................................................................................................. 12-20
Technical Support Assistance........................................................................................................................ 12-20
Appendix A. Power Calculator Project Example ............................................................................................ 12-21
Introduction ...................................................................................................................................................... 13-1
Configuration Pins............................................................................................................................................ 13-1
Configuration Modes ........................................................................................................................................ 13-5
Configuration Flow ......................................................................................................................................... 13-13
Read Back...................................................................................................................................................... 13-15
Software Control ............................................................................................................................................ 13-15
FREQUENCY........................................................................................................................................ 11-20
MAXSKEW............................................................................................................................................ 11-20
MULTICYCLE ....................................................................................................................................... 11-20
PERIOD ................................................................................................................................................ 11-20
PROHIBIT ............................................................................................................................................. 11-20
CLOCK_TO_OUT ................................................................................................................................. 11-20
INPUT_SETUP ..................................................................................................................................... 11-21
PLL_PHASE_BACK.............................................................................................................................. 11-21
Power Calculator Equations.................................................................................................................... 12-2
Starting the Power Calculator ................................................................................................................. 12-3
Starting a Power Calculator Project ........................................................................................................ 12-5
Power Calculator Main Window .............................................................................................................. 12-6
Power Calculator Wizard......................................................................................................................... 12-8
Power Calculator – Creating a New Project Without the NCD File ....................................................... 12-13
Power Calculator – Creating a New Project With the NCD File ............................................................ 12-14
Power Calculator – Open Existing Project ............................................................................................ 12-16
Power Calculator – Total Power............................................................................................................ 12-17
Dedicated Control Pins ........................................................................................................................... 13-2
Dual-Purpose sysCONFIG Pins.............................................................................................................. 13-3
ispJTAG Pins .......................................................................................................................................... 13-4
Configuration and JTAG Pin Physical Description .................................................................................. 13-4
Configuration Options ............................................................................................................................. 13-5
SPI Mode ................................................................................................................................................ 13-6
Multiple FPGA, One SPI Flash................................................................................................................ 13-7
SPIX Mode .............................................................................................................................................. 13-8
Master Serial Mode ................................................................................................................................. 13-9
Slave Serial Mode ................................................................................................................................. 13-10
Master Parallel Mode ............................................................................................................................ 13-10
Slave Parallel Mode .............................................................................................................................. 13-11
ispJTAG Mode ...................................................................................................................................... 13-12
Clearing the Configuration Memory ...................................................................................................... 13-13
Loading the Configuration Memory ....................................................................................................... 13-14
Wake Up the Device ............................................................................................................................. 13-14
Read Sequence .................................................................................................................................... 13-15
Persistent .............................................................................................................................................. 13-16
6
LatticeECP/EC Family Data Sheet
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