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How to select NAND Flash for new products?

Welcome, if you still have doubts or do not understand after reading the article, please contact us, to understand or guess the answer yourself is a very tiring thing, please leave the most troublesome things to us to deal with, the profession has a specialty, hear the road has a sequence, Shenzhen Leylong development focus on storage industry for 13 years, specializing in providing small capacity storage solutions.

  In the domestic market economy into normalization at the same time, the industries into a new normal of steady growth, in order to pursue greater profits, many enterprises for outdoor advertising demand is growing, and strive to obtain greater revenue through outdoor advertising.

LED advertising screen has accounted for half of the outdoor advertising, with its unique display effect replaced countless advertising signs, currently 85% of the newly installed outdoor advertising will choose LED advertising screen, which shows a broad market prospect. LED advertising screen installation has a variety of ways, can be wall-mounted, artillery column installation, hanging, mosaic installation and so on.

Some time ago, I encountered a laughable anecdote, there is a Guangxi Public Security Bureau of the LED display because of a sudden power failure, so that the data missing, the results showed into (Guangxi eight female corpses), which is really scared more than one person, including the editor, through the timely repair of the supplier, although the problem was solved, but because of the loss of data, made a big oops joke; editor is also for This unit pinched a sweat ….. Pictures will not be on, to avoid suspicion and suspicion.

This is not, just encountered such a laughable thing, I met a customer doing outdoor LED advertising screen, he recently more annoying, because the customer received some feedback and complaints, so he was very headache.

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The original universal outdoor LED advertising screen, due to the power consumption is particularly large, basically no battery, are external power supply. On the contrary, we often use the cell phone is a battery, even if the sudden power failure on the device and data are not affected. Outdoor LED billboard is not, if a sudden power failure, coupled with no battery buffer, if the Flash is reading or writing at this time, the impact on it is very large, will lead to the loss of data inside the Flash and incomplete.

   No write driver comes with bad block management NAND Flash (SMD TF card), compact size, easy to use, strong compatibility, stable and reliable, firmware can be customized, LGA-8 package, standard SDIO interface, compatible with SPI/SD/eMMC interface, compatible with major MCU platforms, can replace ordinary TF card/SD card, size 6x8mmmm, built-in SLC Wafer erase life 100,000 times, through 10,000 random power failure test high and low temperature, support industrial grade temperature -40 ° ~ +85 °, machine sticker hand post are very convenient, speed level Class10 (read speed 23.5MB / S write speed 12.3MB / S) standard SD2.0 protocol ordinary SD card can be directly driven, support TF card to start the SOC can be used SD NAND, provide STM32 reference routines and original technical support, mainstream capacity: 128MB/512MB/4GB, more stable than TF card, cheaper than eMMC, samples free trial.

Many advertisers seek his “feedback” because of the sudden power failure of outdoor LED advertising screens, resulting in the loss of internal memory chip data. This affects the advertisers’ advertising and brand effect. Only then did they keep looking for him to complain. Because of the sudden power failure, advertisers why so much reaction?

  1. Once the power is cut, the first is to promptly arrange maintenance master over, aerial work for maintenance and repair, labor and time, are required to waste a lot of costs.
  2. brand communication impact: once the problem, not to display and wrong display, it will affect the advertiser’s brand publicity effect, if then make an oops incident ……. Therefore, this customer consulted to Leilong whether there is a kind of NAND Flash with power-down protection, which can avoid the above situation. As it happens, our company has a Flash product with power failure protection – SDIO NAND Flash, which has built-in controller and management firmware, and can perfectly guarantee the data integrity in Flash even in the case of sudden power failure. This way, when encountering a sudden power failure, there is no need to pay labor and time cost to repair it, and it can also avoid the impact of the occurrence of oops, both for the manufacturers of outdoor LED advertising screens and advertisers to enhance their brands. And our NAND FLASH with power down protection has built-in bad block management, EDC/ECC, in addition to the built-in controller, to make the product stability to a higher level.

 

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