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
[color=Red][b]How to use Java Pi4J to program the Raspberry Pi I/O port[/b][/color] : https://training.eeworld.com.cn/course/2093[b]Pi4J is a Java library specifically designed to control the Raspberr...
Such a data table material diameter number length Q235 10 1 15 Q235 10 2 21 . . . #45 5 1 15 #45 5 2 30 . . . I mainly read the length value in the database according to the material and diameter valu...
[i=s]This post was last edited by Tianming on 2014-7-22 10:24[/i] Field Programmable Gate Array (FPGA) is a programmable logic device that was originally used almost exclusively for prototyping of hig...
[i=s]This post was last edited by wgsxsm on 2015-5-24 22:51[/i] As usual, continue from the previous post: [url=https://bbs.eeworld.com.cn/thread-459940-1-1.html]https://bbs.eeworld.com.cn/thread-4599...
I am using CROSS-2.95.3. I can compile 1.1.2 without any problems, but 1.1.4 always fails with the error cc1: invalid option 'abi=apcs-gnu'. I changed the compiler system to CROSS-3.2, but the same pr...
[url=https://www.zhihu.com/question/21729463]Original address[/url] [color=#222222][font="][size=13px]The process of logic chips is still around 20nm, such as Intel's CPU, while memory chips are appro...
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Administration (USPTO) for a patent for a remote vehicle control system that may be used in future ...[Details]
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing 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]
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
Definition of interactive projection system:
Interactive projection systems, also known as multimedia interactive projection, are available in floor, wall, and tabletop interactive projection....[Details]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
As AI accelerates across industries, the demand for data center infrastructure is also growing rapidly.
Keysight Technologies, in collaboration with Heavy Reading, released the "Beyo...[Details]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[Details]
In the electronics manufacturing industry, surface mount technology (SMT) placement machines are core equipment for production lines. However, with many different models available on the market, ch...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
"We have successfully launched the first version of our dedicated chip for EMB brake-by-wire. Second-generation samples have also been successfully completed, and we are actively planning a third-g...[Details]