General Description ......................................................................................................................................... 8
NO OPERATION ........................................................................................................................................ 33
ACTIVE ..................................................................................................................................................... 33
AUTO REFRESH ........................................................................................................................................ 37
DEEP POWER-DOWN ................................................................................................................................ 38
Truth Tables ................................................................................................................................................... 39
State Diagram ................................................................................................................................................ 44
Standard Mode Register .................................................................................................................................. 48
Burst Type ................................................................................................................................................. 49
CAS Latency .............................................................................................................................................. 50
Status Read Register ....................................................................................................................................... 54
Auto Precharge ............................................................................................................................................... 80
Concurrent Auto Precharge ........................................................................................................................ 81
AUTO REFRESH Operation ............................................................................................................................. 86
Deep Power-Down .................................................................................................................................... 90
Clock Change Frequency ................................................................................................................................ 92
Revision History ............................................................................................................................................. 93
Rev. K – 07/09 ............................................................................................................................................. 93
Rev. G – 06/08 ............................................................................................................................................
Rev. F – 04/08Rev. E – 03/08 ........................................................................................................................
Rev. D – 02/08 ............................................................................................................................................
Rev. C – 09/07 .............................................................................................................................................
Rev. B – 07/07 .............................................................................................................................................
Rev. A – 02/07 .............................................................................................................................................
Revision History for Commands, Operations, and Timing Diagrams .............................................................
[size=4][color=#000000][backcolor=white]Channel is a metaphor for the path between the sender and the receiver in wireless communication. For radio waves, there is no tangible connection between them ...
IC/PDF Lookup [url] http://www.ic37.com/ [/url] Device Manual [url] http://www.datasheet5.com/ [/url] For developers, it is very common to check device PDFs. Xinyuan Navigation [url] http://www.ic360....
1. Circuit design problem The most commonly used specifications of LED light strips are 12V and 24V. The 12V is a 3-string multi-way parallel structure, and the 24V is a 6-string multi-way parallel st...
Thanks to EE and the manufacturer's trial activities, I got the board for almost half a month, and finally I had some free time to play with the so-called first NXP processor with NPU. The core chip o...
I set out on the journey to the 2010 IIC Autumn Exhibitionwith excitement , but returned with a feeling of loss. I finally spent 3 hours at the IIC Exhibition and the LED Exhibition . I feel that I mu...
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[Details]
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]
Nios II is a configurable 16-/32-bit RISC processor. Combined with a rich set of peripheral-specific instructions and hardware acceleration units, it provides a highly flexible and powerful SOPC sy...[Details]
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
Robotics
has become
LiDAR
's "second growth curve."
While LiDAR was still battling with its "pure vision" rivals in the automotive field, another field ignited the demand f...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
The all-new MG4 was recently officially announced on the Ministry of Industry and Information Technology's (MIIT) new vehicle announcement. The all-new MG4's semi-solid-state battery version addres...[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 powered by electricity, and charging is a device that supplements the vehicle's energy source. It is common to need to recharge the vehicle when driving. But can you charge th...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]