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ID:CBM3088

  The CBM3088 is the most flexible SD/MMC memory card controller on the market. The proprietary 32 bit processor was specially tailored to handle both SD/MMC protocol and Flash access. Software change can be made easily on site to support new flash or solve potential compatibility issue. 

    CBM3088 support SD2.0 and MMC 4.2 standard. Which are backward compatible to the earlier SD/MMC version, such as SD1.0, SD1.01, SD1.1, and MMC 3.31, MMC4.0, MMC4.1 etc. Up to speed class 6 can be achieved with certain Flash type. CPRM is supported for SD card. It also supports sleep mode, which can cut down power consumption significantly. 
    CBM3088 can reach theoretical flash access speed up to 20MByte/s for read and 20MByte/s for write. The on-the-fly ECC engine is capable of correcting and detecting up to 72bit errors per 1Kbytes page. For data security, CBM3088 is designed with both hardware and software data protection technology to prevent data corruption even if it is powered off or unplugged during data transfer. 
    The CBM3088 supports all 8 /16 bit BUS wide async NAND flash memory available in the market. New flash can be supported by software re-configuration.. New flash can be supported by software re-configuration. Card with capacity up to 32GB can be made when configured as SDHC card. Card with capacity up to 128GB can be made when configured as MMCHC card. 
    The CBM3088 runs smoothly with various hosts. Substantial tests have been made to make sure the compatibility with different hosts. 

 

产品特色

兼容 SD 2.0 ;

兼容MMC 4.2;

支持SPI模式 ;

支持CPRM;

最高速度等级6 ;

支持休眠模式;

支持双通道访问flash,可以达到20mbyte/s的读写速度;

数据增强保护;

支持72bits/1024Byte的ECC纠错能力,并支持市场上所有的8/16位

ASYNC NAND flash和8位ONFI/TOGGLE NAND flash ;

 

 

原理图

 


 

产品概述

型号 协议标准 速度等级 读写速度 支持FLASH
类型
支持FLASH
位宽
支持FLASH
接口
ECC
纠错能力
PageSize 其它特性
CBM3088 SD 2.0 MMC4.2 Class 6 20MB/s SLC/MLC/TLC 8bit/16bit ONFI/Toggle 72Bit/ 1KB 16K 休眠模式,数据增强保护,
CPRM
CBM3082 SD 2.0
MMC4.2
Class 6 24/16 MB/s       8bit/512Byte    

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