Important Notes and Warnings ......................................................................................................................... 8
General Description ......................................................................................................................................... 8
Automotive Temperature .............................................................................................................................. 9
ACTIVE ...................................................................................................................................................... 34
Truth Tables ................................................................................................................................................... 39
Burst Type .................................................................................................................................................. 48
CAS Latency ............................................................................................................................................... 50
Auto Precharge ........................................................................................................................................... 69
AUTO REFRESH Operation ............................................................................................................................. 81
Revision History ............................................................................................................................................. 89
Rev. W – 05/15 ............................................................................................................................................ 89
Rev. W – 09/14 ............................................................................................................................................ 89
Rev. V – 1/14, 8/14 ...................................................................................................................................... 89
Rev. U – 05/13 ............................................................................................................................................. 89
Rev. T – 03/13 ............................................................................................................................................. 89
Rev. S – 12/12 ............................................................................................................................................. 89
Rev. R – 10/12 ............................................................................................................................................. 89
Rev. P – 12/11 .............................................................................................................................................
Rev. O – 07/11 .............................................................................................................................................
Rev. N – 01/10 .............................................................................................................................................
Rev. M – 11/08 ............................................................................................................................................
Rev. L – 08/07 .............................................................................................................................................
Rev. K – 02/07 .............................................................................................................................................
Rev. K – 06/06 .............................................................................................................................................
Rev. H – 02/05 .............................................................................................................................................
Rev. H – 10/04 .............................................................................................................................................
Rev. G – 08/03 .............................................................................................................................................
Rev. F – 01/03 .............................................................................................................................................
Rev. E – 03/02 .............................................................................................................................................
Rev. D – 07/01 .............................................................................................................................................
Rev. C – 03/01 .............................................................................................................................................
Rev. B – 10/00 .............................................................................................................................................
Rev. A – 11/99 .............................................................................................................................................
89
90
90
90
90
91
91
91
91
91
91
91
92
92
92
93
93
PDF: 09005aef8091e6d1
256Mb_sdr.pdf - Rev. W 05/15 EN
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Figure 20: CAS Latency ..................................................................................................................................
Figure 21: Example: Meeting
t
RCD (MIN) When 2 <
t
RCD (MIN)/
t
CK < 3 ..........................................................
I downloaded an operating system from the Internet and moved it to the MSP430 chip. Everything was normal after running it, but when I used the mailbox, something went wrong. The mailbox message sent ...
I posted a post before [url=https://bbs.eeworld.com.cn/thread-566436-1-1.html]MCU/Embedded Script Expo[/url] Today I revisited this thing, and suddenly remembered a question that I had not considered ...
[i=s] This post was last edited by shaorc on 2017-12-15 14:09 [/i] [Ask if you don't understand] In the figure below, vcc is the output of the transformer secondary measurement. I want to know the rev...
[i=s]This post was last edited by xiaoli2018 on 2022-1-30 15:56[/i]Use of GD32L23x timerBreathing light is a very common LED lighting mode, and the display effect is also very beautiful. This example ...
When sending a text message to the mc55 module, why can't the module receive +CMT: "+491795289609",,"03/08/14,14:44:49+08"? But the text message can be read using AT+CMGR=28....
The competition between the two major fast food chains in China is in full swing. As soon as the "Winter Together" 5-item special offer launched by KFC at the end of last year ended on February 3, McD...
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
