Features ............................................................................................................................................................. 1-1
Modes of Operation................................................................................................................................... 2-5
General Purpose PLL (GPLL) ................................................................................................................... 2-6
Standard PLL (SPLL) ................................................................................................................................ 2-7
Clock Distribution Network ............................................................................................................................... 2-11
Bus Size Matching .................................................................................................................................. 2-19
RAM Initialization and ROM Operation ................................................................................................... 2-19
or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
PIO ................................................................................................................................................................... 2-31
Control Logic Block ................................................................................................................................. 2-35
Left and Right Edges............................................................................................................................... 2-35
Top Edge................................................................................................................................................. 2-36
Polarity Control Logic .............................................................................................................................. 2-39
Hot Socketing.......................................................................................................................................... 2-45
SERDES and PCS (Physical Coding Sublayer)............................................................................................... 2-46
Density Shifting ................................................................................................................................................ 2-49
Hot Socketing Specifications.............................................................................................................................. 3-2
DC Electrical Characteristics.............................................................................................................................. 3-3
LatticeECP2 Supply Current (Standby).............................................................................................................. 3-4
LatticeECP2M Supply Current (Standby)........................................................................................................... 3-5
LatticeECP2 Initialization Supply Current .......................................................................................................... 3-6
LatticeECP2M Initialization Supply Current ....................................................................................................... 3-7
SERDES Power Supply Requirements (LatticeECP2M Family Only) ............................................................... 3-8
SERDES Power (LatticeECP2M Family Only)................................................................................................... 3-8
PCI Express Electrical and Timing Characteristics .......................................................................................... 3-44
AC and DC Characteristics ..................................................................................................................... 3-44
LatticeECP2/M sysCONFIG Port Timing Specifications .................................................................................. 3-46
JTAG Port Timing Specifications ..................................................................................................................... 3-50
Switching Test Conditions................................................................................................................................ 3-51
Pinout Information
Signal Descriptions ............................................................................................................................................ 4-1
PICs and DDR Data (DQ) Pins Associated with the DDR Strobe (DQS) Pin .................................................... 4-4
LatticeECP2 Pin Information Summary, LFE2-6 and LFE2-12 .......................................................................... 4-5
LatticeECP2 Pin Information Summary, LFE2-20 and LFE2-35 ........................................................................ 4-7
LatticeECP2 Pin Information Summary, LFE2-50 and LFE2-70 ........................................................................ 4-9
LatticeECP2M Pin Information Summary, LFE2M20 and LFE2M35 ............................................................... 4-11
LatticeECP2M Pin Information Summary, LFE2M50, LFE2M70 and LFE2M100............................................ 4-13
Available Device Resources by Package, LatticeECP2................................................................................... 4-15
Available Device Resources by Package, LatticeECP2M................................................................................ 4-15
LatticeECP2 Power Supply and NC................................................................................................................. 4-16
LatticeECP2 Power Supply and NC (Cont.)..................................................................................................... 4-17
LatticeECP2M Power Supply and NC.............................................................................................................. 4-18
LatticeECP2M Power Supply and NC (Cont.).................................................................................................. 4-19
LatticeECP2M Power Supply and NC (Cont.).................................................................................................. 4-21
LFE2-6E/SE and LFE2-12E/SE Logic Signal Connections: 144 TQFP ........................................................... 4-22
LFE2-12E/SE and LFE2-20E/SE Logic Signal Connections: 208 PQFP......................................................... 4-26
LFE2-6E/SE and LFE2-12E/SE Logic Signal Connections: 256 fpBGA .......................................................... 4-31
LFE2-20E/SE Logic Signal Connections: 256 fpBGA ...................................................................................... 4-39
LFE2-12E/SE and LFE2-20E/SE Logic Signal Connections: 484 fpBGA ........................................................ 4-47
LFE2-35E/SE and LFE2-50E/SE Logic Signal Connections: 484 fpBGA ........................................................ 4-60
LFE2-20E/SE and LFE2-35E/SE Logic Signal Connections: 672 fpBGA ........................................................ 4-73
LFE2-50E/SE and LFE2-70E/SE Logic Signal Connections: 672 fpBGA ........................................................ 4-91
LFE2-70E/SE Logic Signal Connections: 900 fpBGA .................................................................................... 4-109
LFE2M-20E/SE and LFE2M-35E/SE Logic Signal Connections: 256 fpBGA ................................................ 4-134
LFE2M20E/SE and LFE2M35E/SE Logic Signal Connections: 484 fpBGA .................................................. 4-141
LFE2M50E/SE Logic Signal Connections: 484 fpBGA .................................................................................. 4-153
LFE2M35E/SE and LFE2M50E/SE Logic Signal Connections: 672 fpBGA .................................................. 4-167
LFE2M50E/SE and LFE2M70E/SE Logic Signal Connections: 900 fpBGA .................................................. 4-184
LFE2M100E/SE Logic Signal Connections: 900 fpBGA ................................................................................ 4-206
LFE2M70E/SE and LFE2M100E/SE Logic Signal Connections: 1152 fpBGA .............................................. 4-231
Ordering Information
LatticeECP2 Part Number Description............................................................................................................... 5-1
Ordering Information .......................................................................................................................................... 5-1
LatticeECP2 Standard Series Devices, Conventional Packaging............................................................. 5-2
3
Lattice Semiconductor
Table of Contents
LatticeECP2/M Family Handbook
LatticeECP2 Standard Series Devices, Lead-Free Packaging .......................................................................... 5-5
LatticeECP2M Part Number Description.......................................................................................................... 5-14
Ordering Information ........................................................................................................................................ 5-14
LatticeECP2M Standard Series Devices, Conventional Packaging........................................................ 5-15
LatticeECP2M Standard Series Devices, Lead-Free Packaging ............................................................ 5-18
For Further Information ...................................................................................................................................... 6-1
LatticeECP2/M Family Data Sheet Revision History
Revision History ................................................................................................................................................. 7-1
Section II. LatticeECP2/M Family Technical Notes
LatticeECP2M SERDES/PCS Usage Guide
Introduction to PCS ............................................................................................................................................ 8-1
Features ............................................................................................................................................................. 8-1
Interrupts and Status............................................................................................................................... 8-52
Control Boxes and Buttons, Status Boxes and the Text Window ........................................................... 8-56
Other Design Considerations ........................................................................................................................... 8-56
LatticeECP2M-35 vs. All Other LatticeECP2M Devices.......................................................................... 8-56
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