Features ............................................................................................................................................................. 1-1
PFU and PFF Blocks................................................................................................................................. 2-2
Clock Distribution Network ................................................................................................................................. 2-6
Bus Size Matching .................................................................................................................................. 2-12
RAM Initialization and ROM Operation ................................................................................................... 2-12
PIO .......................................................................................................................................................... 2-16
Polarity Control Logic .............................................................................................................................. 2-22
Hot Socketing.......................................................................................................................................... 2-25
Configuration and Testing ................................................................................................................................ 2-26
Density Shifting ................................................................................................................................................ 2-28
DC and Switching Characteristics
Absolute Maximum Ratings ............................................................................................................................... 3-1
Hot Socketing Specifications.............................................................................................................................. 3-2
DC Electrical Characteristics.............................................................................................................................. 3-3
Supply Current (Sleep Mode)............................................................................................................................. 3-3
Supply Current (Standby)................................................................................................................................... 3-4
Initialization Supply Current ............................................................................................................................... 3-5
Programming and Erase Flash Supply Current ................................................................................................. 3-6
or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
Differential HSTL and SSTL............................................................................................................................. 3-10
LatticeXP sysCONFIG Port Timing Specifications........................................................................................... 3-26
Flash Download Time ...................................................................................................................................... 3-27
JTAG Port Timing Specifications ..................................................................................................................... 3-27
Switching Test Conditions................................................................................................................................ 3-28
Pinout Information
Signal Descriptions ............................................................................................................................................ 4-1
PICs and DDR Data (DQ) Pins Associated with the DDR Strobe (DQS) Pin .................................................... 4-3
Pin Information Summary................................................................................................................................... 4-4
Power Supply and NC Connections................................................................................................................... 4-6
LFXP3 Logic Signal Connections: 100 TQFP .................................................................................................... 4-7
LFXP3 & LFXP6 Logic Signal Connections: 144 TQFP................................................................................... 4-10
LFXP3 & LFXP6 Logic Signal Connections: 208 PQFP .................................................................................. 4-14
LFXP6 & LFXP10 Logic Signal Connections: 256 fpBGA................................................................................ 4-19
LFXP15 & LFXP20 Logic Signal Connections: 256 fpBGA.............................................................................. 4-26
LFXP10, LFXP15 & LFXP20 Logic Signal Connections: 388 fpBGA............................................................... 4-34
LFXP15 & LFXP20 Logic Signal Connections: 484 fpBGA.............................................................................. 4-43
Ordering Information
Part Number Description.................................................................................................................................... 5-1
Ordering Information .......................................................................................................................................... 5-1
For Further Information ...................................................................................................................................... 6-1
Revision History
Revision History ................................................................................................................................................. 7-1
Open Drain Control ................................................................................................................................... 8-7
Differential SSTL and HSTL Support ................................................................................................................. 8-7
PCI Support with Programmable PCICLAMP .................................................................................................... 8-7
5V Interface with PCI Clamp Diode.................................................................................................................... 8-8
Design Considerations and Usage................................................................................................................... 8-12
Differential SSTL and HSTL.................................................................................................................... 8-13
Technical Support Assistance.......................................................................................................................... 8-13
Verilog for Synplify ........................................................................................................................................... 8-17
Example .................................................................................................................................................. 8-19
Appendix B. sysIO Attributes Using Preference Editor User Interface............................................................. 8-21
Appendix C. sysIO Attributes Using Preference File (ASCII File) .................................................................... 8-22
USE DIN CELL........................................................................................................................................ 8-23
USE DOUT CELL.................................................................................................................................... 8-23
Initialization File Format .......................................................................................................................... 9-39
Technical Support Assistance.......................................................................................................................... 9-41
Appendix A. Attribute Definitions...................................................................................................................... 9-42
QDR II Interface .................................................................................................................................... 10-17
FCRAM (Fast Cycle Random Access Memory) Interface..................................................................... 10-17
Generic High Speed DDR Implementation .................................................................................................... 10-17
Technical Support Assistance........................................................................................................................ 10-18
Appendix A. Using IPexpress™ to Generate DDR Modules.......................................................................... 10-19
Verilog Example .................................................................................................................................... 10-30
Features ........................................................................................................................................................... 11-1
It can judge the received command, and then send data or control IO. It feels like programming serial port in the past. If anyone wants it, I will organize it for you.Here I send command 0X00, judge t...
I am new to inverter power supply. Now I want to use IR2110 to drive IGBT. I checked and found that I need a clamping circuit. I have some questions for you. 1. Is it okay to build the circuit like th...
This is my attempt to translate the LPCXpressoUser Manual V1.0.Due to my limited English and poor writing skills, I am not very satisfied with the translation. Please take a look at it together and wo...
[b][color=#5e7384]This content is originally created by EEWORLD forum user [size=3]suoma[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and indi...
I am using the 2.0 library. The USART is clearly configured to have a baud rate of 9600. The externalcrystal is 4MHz, but the baud rate must be 4800 for communication. The baud rate in the simulationi...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
A vacuum eutectic furnace is a critical piece of equipment used in the manufacturing and processing of various materials, particularly in the fields of microelectronics and nanotechnology. One of t...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
For autonomous vehicles to safely navigate the road, they must identify far more complex objects than just traffic lights, pedestrians, and other familiar objects. Among these obstacles is a crucia...[Details]
According to foreign media reports, Nissan Motor has recently reached a cooperation with US battery technology company LiCAP Technologies to jointly promote the research and development of next-gen...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
introduction
With the development and widespread use of integrated circuits in power electronics design, electronic products are trending towards smaller sizes, more components, and greater fu...[Details]
With the growth of the Internet of Things (IoT), wearable, and portable devices, consumers are growing weary of cluttered cables and the need for frequent battery recharges. The benefits of wireles...[Details]
As automotive technology develops at an ever-increasing pace, the performance requirements for automotive internal structures, components, and accessories are becoming increasingly demanding. The d...[Details]
Today, the voltage of electronic products continues to rise to 400V, 600V and even 1000V, so there are few electronic load models that can handle such high voltages. Many people consider connecting...[Details]