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                                        宏源棋牌 > 存储百科 > SSD固态硬盘 > 正文

                                        实例讲解NAND Flash原理和使用

                                        2016-02-09 13:20来源:中国存储网
                                        导读:本文以Micron公司的MT29F2G08为例介绍NAND Flash原理和使用。NAND的内部存储阵列是以页为基本单位进行存取的。

                                        BENWENYIMicronGONGSIDEMT29F2G08WEILIJIESHAONAND FlashYUANLIHESHIYONG。

                                        1. GAISHU

                                        宏源棋牌MT29F2G08SHIYONGYIGEGAODUFUYONGDE8-bitZONGXIAN(I/O[7:0])LAICHUANSHUSHUJU、DIZHI、ZHILING。5GEMINGLINGJIAO(CLE、ALE、CE#、WE#)SHIXIANNANDMINGLINGZONGXIANJIEKOUGUICHENG。3GEFUJIADEJIAOYONGZUO: KONGZHIYINGJIANXIEBAOHU(WP#)、JIANSHIXINPIANZHUANGTAI(R/B#),HEFAQISHANGDIANZIDONGDUTEZHENG(PRE-JIN3VXINPIANZHICHI)。ZHUYI, PREGONGNENGBUZHICHIKUANWENXINPIAN。

                                        MT29F2G08NEIBUYOU2048GEKECACHUDEKUAI,MEIGEKUAIFENWEI64GEKEBIANCHENGDEYE,MEIGEYEBAOHAN2112ZIJIE(2048GEZIJIEZUOWEISHUJUCUNCHUQU,64GEBEIYONGZIJIEYIBANZUOWEICUOWUGUANLISHIYONG)。

                                        MEIGE2112GEZIJIEDEYEKEYIZAI300usNEIBIANCHENG,MEIGEKUAI(64x2112=132K)KEYIZAI2msNEIBEICACHU。PIANSHANGKONGZHILUOJIZIDONGJINXINGPROGRAMHEERASECAOZUO。

                                        NANDDENEIBUCUNCHUZHENLIESHIYIYEWEIJIBENDANWEIJINXINGCUNQUDE。DUDESHIHOU,YIYESHUJUCONGNEIBUCUNCHUZHENLIEcopyDAOSHUJUJICUNQI,ZHIHOUCONGSHUJUJICUNQIANZIJIEYICISHUCHU。XIE(BIANCHENG)DESHIHOU,YESHIYIYEWEIJIBENDANWEIDE:QISHIDIZHIZHUANGZAIDAONEIBUDIZHIJICUNQIZHIHOU,SHUJUBEIYICIXIERUDAONEIBUSHUJUJICUNQI,ZAIYESHUJUXIERUZHIHOU,ZHENLIEBIANCHENGGUOCHENGQIDONG。

                                        WEILEZENGJIABIANCHENGDESUDU,XINPIANYOUYIGECACHEJICUNQI。ZAICACHEBIANCHENGMOSHI,SHUJUXIANXIERUDAOCACHEJICUNQI,RANHOUZAIXIERUDAOSHUJUJICUNQI,YIDANSHUJUcopyJINSHUJUJICUNQIHOU,BIANCHENGJIUKAISHI。ZAISHUJUJICUNQIBEIZHUANGZAIJIBIANCHENGKAISHIZHIHOU,CACHEJICUNQIBIANWEIKONG,KEYIJIXUZHUANGZAIXIAYIGESHUJU,ZHEIYANGNEIBUDEBIANCHENGHESHUJUDEZHUANGZAIBINGXINGJINXING,TIGAOLEBIANCHENGSUDU。

                                        宏源棋牌NEIBUSHUJUBANYIMINGLING(INTERNAL DATA MOVE)YESHIYONGNEIBUCAHCEJICUNQI,TONGCHANGBANYISHUJUXUYAOHENZHANGSHIJIAN,TONGGUOSHIYONGNEIBUCACHEJICUNQIHESHUJUJICUNQI,SHUJUDEBANYISUDUDADAZENGJIA,QIEBUXUYAOSHIYONGWAIBUNEICUN。

                                        2. GONGNENGKUANGTU

                                        实例讲解NAND Flash原理和使用

                                        3. GUANJIAO

                                        MINGCHENG

                                        LEIXING

                                        MIAOSHU

                                        ALE

                                        I

                                        宏源棋牌DIZHISUOCUNSHINENG。ALEWEIGAOSHI,ZAIWE#XIAJIANGYAN,DIZHIXINXITONGGUOI/O[7:0]SUOCUNPIANNEIDEDIZHIJICUNQI。RUGUOCHUANSHUDEBUSHIDIZHIXINXI,ALEYINGGAIWEIDI。

                                        CE#

                                        I

                                        PIANXUAN。YIDANQIJIANJINRUPROGRAMHUOERASECAOZUO,CE#KEYIBIANWUXIAO。

                                        CLE

                                        I

                                        MINGLINGSUOCUNSHINENG。CLEWEIGAOSHI,ZAIWE#SHANGSHENGYAN,MINGLINGTONGGUOI/O[7:0]SUOCUNDAOMINGLINGJICUNQI,DANGBUCHUANSHUMINGLINGSHI,CLEYINGGAIWEIDI。

                                        PRE

                                        I

                                        SHANGDIANDUSHINENG。

                                        RE#

                                        I

                                        DUSHINENG。

                                        WE#

                                        I

                                        XIESHINENG。

                                        WP#

                                        I

                                        XIEBAOHU。DANGWEIDISHIHOU,SUOYOUDEPROGRAMHEERASEDOUBEIJINZHI。

                                        I/O[7:0]

                                        I/O

                                        宏源棋牌SHUJUSHURU/SHUCHU。CHUANSHUMINGLING、SHUJU、DIZHI。JINZAIDUCAOZUOSHI,SHUJUSHISHUCHU。

                                        R/B#, R/B2

                                        O

                                        ZHUNBEIHAO/MANG。JIDIANJIKAILUSHUCHU。WAIBUXUYAOJIESHANGLADIANZU,ZHEIGEJIAOBIAOSHIXINPIANZHENGZAIJINXINGPROGRAMHUOERASECAOZUO。ZAIDUCAOZUOQIJIAN,BIAOSHISHUJUZHENGCONGZHENLIEZHONGCHUANSHUDAOCHUANXINGSHUJUJICUNQIZHONG,YIDANZHEIXIECAOZUOWANCHENG,R/B#HUIDAOHigh-ZZHUANGTAI。

                                        Vcc

                                        DIANYUAN

                                        DIANYUAN

                                        Vss

                                        DI

                                        DI

                                        4. XUNZHI

                                        实例讲解NAND Flash原理和使用

                                        BlockDIZHIHEYEDIZHI = SHIJIDEYEDIZHI,XIWANGTONGGUOZHEIGETU,WOMENNENGLIJIEKUAI、YE、KUAIDIZHI,YEDIZHI,LIEDIZHI,BEIFENKONGJIAN,BEIFENDIZHI

                                        实例讲解NAND Flash原理和使用

                                        Cycle

                                        I/O7

                                        I/O6

                                        I/O5

                                        I/O4

                                        I/O3

                                        I/O2

                                        I/O1

                                        I/O0

                                        1

                                        CA7

                                        CA6

                                        CA5

                                        CA4

                                        CA3

                                        CA2

                                        CA1

                                        CA0

                                        2

                                        LOW

                                        LOW

                                        LOW

                                        LOW

                                        CA11

                                        CA10

                                        CA9

                                        CA8

                                        3

                                        RA19

                                        RA18

                                        RA17

                                        RA16

                                        RA15

                                        RA14

                                        RA13

                                        RA12

                                        4

                                        RA27

                                        RA26

                                        RA25

                                        RA24

                                        RA23

                                        RA22

                                        RA21

                                        RA20

                                        5

                                        LOW

                                        LOW

                                        LOW

                                        LOW

                                        LOW

                                        LOW

                                        LOW

                                        RA28

                                        宏源棋牌CAx:LIEDIZHI;RAx=XINGDIZHI

                                        5. ZONGXIANCAOZUO

                                        CLE

                                        ALE

                                        CE#

                                        WE#

                                        RE#

                                        WP#

                                        PRE#

                                        MODE

                                        H

                                        L

                                        L

                                        SHANGSHENGYAN

                                        H

                                        X

                                        X

                                        DUMOSHI

                                        MINGLINGSHURU

                                        L

                                        H

                                        L

                                        SHANGSHENGYAN

                                        H

                                        X

                                        X

                                        DIZHISHURU

                                        H

                                        L

                                        L

                                        SHANGSHENGYAN

                                        H

                                        H

                                        X

                                        XIEMOSHI

                                        MINGLINGSHURU

                                        L

                                        H

                                        L

                                        SHANGSHENGYAN

                                        H

                                        H

                                        X

                                        DIZHISHURU

                                        L

                                        L

                                        L

                                        SHANGSHENGYAN

                                        H

                                        H

                                        X

                                        SHUJUSHURU

                                        L

                                        L

                                        L

                                        H

                                        XIAJIANGYAN

                                        X

                                        X

                                        YICIDUHESHUJUSHUCHU

                                        L

                                        L

                                        L

                                        H

                                        H

                                        X

                                        X

                                        ZAIDUQIJIAN(MANG)

                                        X

                                        X

                                        X

                                        X

                                        X

                                        H

                                        X

                                        ZAIBIANCHENGQIJIAN(MANG)

                                        X

                                        X

                                        X

                                        X

                                        X

                                        H

                                        X

                                        ZAICACHUQIJIAN(MANG)

                                        X

                                        X

                                        X

                                        X

                                        X

                                        L

                                        X

                                        XIEBAOHU

                                        X

                                        X

                                        H

                                        X

                                        X

                                        0V/Vcc

                                        0V/Vcc

                                        DAIJI

                                        宏源棋牌SHANGDIANZIDONGDU:ZAISHANGDIANQIJIAN,PREWEIVCC,3V VCCQIJIANZIDONGCHUANSHUDIYIYEDAOSHUJUJICUNQI,ERWUXUYAOFABUYIGEMINGLINGHUODIZHISUOCUNXULIE。ZAIVCCDADAODAYUE2.5VDESHIHOU,NEIBUDIANYAJIANCEQICHUFASHANGDIANZIDONGDUGONGNENG。ZAIDIYIYESHUJUcopyDAOSHUJUJICUNQIGUOCHENGZHONG,R/B#WEIDI,DANGcopyJIESHUHOU,R/B#BIANGAO,ZAIRE#MAICHONGDEZUOYONGXIADIYIYESHUJUKEYIYICISHUCHU。

                                        实例讲解NAND Flash原理和使用

                                        6. MINGLINGBIAO

                                        CAOZUO

                                        ZHOUQI1

                                        ZHOUQI2

                                        ZAIMANGQIJIANYOUXIAO

                                        PAGE READ

                                        0x00

                                        0x30

                                        NO

                                        PAGE READ CACHE MODE START

                                        0x31

                                        -

                                        NO

                                        PAGE READ CACHE MODE START LAST

                                        0x3F

                                        -

                                        NO

                                        READ for INTERNAL DATA MOVE

                                        0x00

                                        0x35

                                        NO

                                        RANDOM DATA READ

                                        0x05

                                        0xE0

                                        NO

                                        READ ID

                                        0x90

                                        -

                                        NO

                                        READ STATUS

                                        0x70

                                        -

                                        NO

                                        宏源棋牌PROGRAM PAGE

                                        0x80

                                        0x10

                                        NO

                                        PROGRAM PAGE CACHE

                                        0x80

                                        0x15

                                        NO

                                        宏源棋牌PROGRAM for INTERNAL DATA MOVE

                                        0x85

                                        0x10

                                        NO

                                        RANDOM DATA INPUT for PROGRAM

                                        0x85

                                        -

                                        NO

                                        BLOCK ERASE

                                        0x60

                                        0xD0

                                        NO

                                        RESET

                                        0xFF

                                        -

                                        YES

                                        宏源棋牌7. PAGE READ,0x00-0x30

                                        实例讲解NAND Flash原理和使用

                                        宏源棋牌5GEDIZHIZHOUQI,QUEDINGLEDUCHUDEQISHIDIZHI,SHUJUCAIRE#MAICHONGDEZUOYONGXIA,CONGZHEIGEQISHIDIZHIKAISHIYICISHUCHU,ZHIDAOZHEIYIYEDEJIESHU。

                                        宏源棋牌8. RANDOM DATA READ,0x05-0xE0

                                        SUIJISHUJUDU,SHIWEILEYONGHUNENGGOUSHEDINGXINDELIEDIZHI,ZENGJIASHUJUDUCHUDELINGHUOXING,SUIJIDUMOSHIZAIYEDU(0x00-0x30XULIE)HOUSHINENG。ZHEIGEMINGLINGDEFABUCISHUSHIBUSHOUXIANZHIDE。DANJINJINSHIDANGQIANYESHUJUDEDUCHU。

                                        实例讲解NAND Flash原理和使用

                                        宏源棋牌9. PAGE READ CACHE MODE START,0x31;PAGE READ CACHE MODE START LAST,0x3F

                                        FABUPAGE READMINGLINGHOU,ZAIR/B#BIANGAOHOU,ZAIFASONG0x31MINGLING,ZHEISHIQIDONGJIANGSHUJUJICUNQIDENEIRONGCHUANJICACHEJICUNQI,RANHOUJIUKEYISHUNXUCONGCACHELIDUDIYIGEPAGE READMINGLINGHUODESHUJU,YOUYUZHEISHISHUJUJICUNQISHIMEIYOUYONGDE,YINCI,XINPIANZIDONGQIDONGDUXIAYIYEDEPAGE READMINGLING,JIANGXIAYIYEDUDAOSHUJUJICUNQI,KEYIKANCHUZHEIMEZUOTIGAODEDUCHUDESUDU,CHULEDIYIGEPAGE READMINGLINGWAI,QITAPAGE READMINGLINGDOUSHIHOUTAIZIDONGJINXINGDE。ZAIZUIHOUYICISHIYONG0x3FMINGLING,YIBIANJINZHIXINPIANZAICIZIDONGFABUPAGE READMINGLING。

                                        实例讲解NAND Flash原理和使用

                                        10.READ ID,0x90

                                        DUCHUCHANGJIADEXINPIANBIAOSHI。

                                        实例讲解NAND Flash原理和使用

                                        11. READ STATUS,0x70

                                        实例讲解NAND Flash原理和使用

                                        DUCHUXINPIANDE8bitZHUANGTAI。KEYITONGGUORE#MAICHONG,FANFUDU。

                                        12.BIANCHENGCAOZUO

                                        PROGRAM PAGE 0x80-0x10:

                                        宏源棋牌Micron NAND FLASHJINZHICHIYEDEBIANCHENG,ZAIYIGEKUAIYINEI,YEBIXUCONGYIGEKUAIDEYEZUIDIWEIDAOZHEIGEKUAIDEYEDEZUIGAOWEILIANXUBIANCHENG,JINZHISUIJIYEDIZHIDEBIANCHENG。

                                        XINPIANYEZHICHIYEDEBUFENBIANCHENGCAOZUO,ZHEIYIWEIZHERENHEDANGEWEIZAIXUYAOYIGECACHUZHIQIANJINKEYIBEIBIANCHENGYICI,RANER,ZHEIZHONGYENENGBEIHUAFENCHENGZAIXUYAOYIGECACHUZHIQIANYUNXUZUIDA8GEBIANCHENGCAOZUO。

                                        宏源棋牌SERIAL DATA INPUT 0x80:

                                        PAGE PROGRAMCAOZUOYAOQIUJIAZAISERAIL DATA INPUT(0x80)MINGLINGJINRUMINGLINGJICUNQI,SUIZHE5GEDIZHIZHOUQIZHIHOU,CHUANXINGSHUJUTONGGUOLIANXUDEWE#ZHOUQIJIAZAIDAOZHIDEDEQISHIDIZHI,PROGRAM(0x10)MINGLINGZAISHUJUSHURUWANCHENGZHIHOUBEIXIERU,NEIBUXIEZHUANGTAIZHOUQIZIDONGZHIXINGHESHIDEBIANCHENGSUANFA,BINGKONGZHISUOYOUBIYAODEDINGSHIBIANCHENGHEBIJIAOCAOZUO。XIEBIJIAOJINJINJIANCE“1”SHIFOUBEICHENGGONGDIBIANCHENGWEI“0”LE。

                                        R/B#ZAIZHENLIEBIANCHENGQIJIAN(tPROG)WEIDI,ZAIBIANCHENGCAOZUOQIJIAN,JINREAD STATUSHERESETMINGLINGYOUXIAO,ZHUANGTAIJICUNQIDEBit6FANYINGR/B#DEZHUANGTAI,DANGXINPIANZHUNBEIHAOSHI,DUBit0DEZHUANGTAIQUEDINGBIANCHENGCAOZUOSHIFOUCHENGGONGHUOSHIBAI,MINGLINGJICUNQIZAIXINDEYOUXIAOMINGLINGXIERUZHIQIAN,YIZHITINGLIUZAIDUZHUANGTAIJICUNQIMOSHI。

                                        实例讲解NAND Flash原理和使用

                                        宏源棋牌RANDOM DATA INPUT 0x85:

                                        ZAIFAQISHUJUJISHURUZHIHOU,KEYITONGGUORANDOM DATA INPUTMINGLINGXIANGXINDELIEDIZHIXIERUSHUJU。ZAIFABU0x10MINGLINGZHIQIAN,KEYIDUITONGYIYEDUOCISHIYONG0x85MINGLING。

                                        实例讲解NAND Flash原理和使用

                                        PROGRAM PAGE CACHE MODE 0x80-0x15:

                                        CACHEBIANCHENGSHIJISHANGSHIBIAOZHUNDEYEBIANCHENGMINGLINGDEDAIHUANCHONGBIANCHENGMOSHI,BIANCHENGKAISHISHIFABUSERIAL DATA INPUT(0x80)MINGLING,SUIHOUSHI5GEDIZHIZHOUQI,YIJIYEDEQUANBUHUOBUFENSHUJU,SHUJUcopyDAOCACHEJICUNQI,RANHOUFABUCACHE WRITE(0x15)MINGLING。SHUJUZAIWE#DESHANGSHENGYANSUOCUNDAOSHUJUJICUNQI,ZAIZHEIGESUOCUNQIJIAN,R/B#WEIDI,SUOCUNJIESHUZHIHOU,R/B#BIANGAO,BIANCHENGKAISHI。

                                        DANGR/B#BIANGAOZHIHOU,XINDESHUJUKEYITONGGUOFABULINGYIGECACHE PROGRAMMINGLINGLAIXIERU,R/B#BAOCHIDIDESHIHOUYOUSHIJIDEBIANCHENGSHIJIANLAIKONGZHI,DIYICIDENGYUSHUJUCONGCACHEJICUNQIXIERUDAOSHUJUJICUNQIXUYAODESHIJIAN,ZHIHOU,ZHIYOUSHUJUJICUNQIDENEIRONGBEIBIANCHENGJINZHENLIEZHIHOU,CACHEJICUNQICAINENGSUOCUNDAOSHUJUJICUNQI,SUOYOU,YIHOUDER/B#WEIDIDESHIJIYINGGAIGENGZHANGYIXIE。

                                        ZHUANGTAIJICUNQIZHONGFANYINGCACHE R/B#DEBit6KEYITONGGUOREAD STATUSMINGLINGDUCHU,YIBIANQUEDINGSHENMESHIHOU,CACHEJICUNQIZHUNBEIHAOJIESHOUXINDESHUJULE。

                                        ZHUANGTAIJICUNQIZHONGFANYINGR/B#DEBit5KEYIBEICHAXUN,YIQUEDINGSHENMESHIHOUDANGQIANBIANCHENGZHOUQIDESHIJIZHENLIEBIANCHENGWANCHENG。

                                        RUGUOJINSHIYONGR/B#LAIQUEDINGBIANCHENGSHIFOUWANCHENG,NEIMEBIANCHENGXULIEDEZUIHOUYIYEBIXUSHIYONGPROGRAM PAGE(0x10)LAITIDAICACHE PROGRAM(0x15)。RUGUOCACHE PROGRAMMINGLINGMEICIDOUSHIYONG,ZHUANGTAIJICUNQIDEBit5BIXUYONGLAIQUEDINGBIANCHENGSHIFOUJIESHU。

                                        DANGZHUANGTAIJICUNQIDEbit6WEI1SHI,ZHUANGTAIJICUNQIBit0FANHUIQIANYIYEDEBIANCHENGSHIFOUCHENGGONG,DANGQIANPROGRAMCAOZUODECHENGGONGYUFOUDEZHUANGTAISHI:Bit5WEI“1”(ZHUNBEIHAOZHUANGTAI)SHIDEBit0ZHUANGTAI

                                        实例讲解NAND Flash原理和使用

                                        13.NEIBUSHUJUBANYI

                                        NEIBUSHUJUBANYIXUYAOLIANGGEMINGLINGXULIE,XIANFABUYIGEREAD FOR INTERNAL DATA MOVE(0x00-0x35),RANHOUFABUYIGEINTERNAL DATA MOVE(0x85-0x10)MINGLING,SHUJUBANYIJINJINZHICHIBEIDUSHUJUdieFANWEI。

                                        宏源棋牌READ FOR DATA MOVE 0x00-0x35:XIANJIANG00XIEDAOMINGLINGJICUNQI,RANHOUSHINEIBUYUANDIZHI(5GEZHOUQI),ZHIHOU,JIANG0x35XIEDAOMINGLINGJICUNQI,ZHEIJIANGQIDONGCONGNEICUNCHUANSHUYIYEDAOCACHEJICUNQI。JINGUAN5GEZHOUQIDEDIZHIBEIFABU,DANSHILIEDIZHISHIBEIHULVEDE。XIANZAIXINPIANZHUNBEIJIESHOUINTERNAL DATA  MOVE(0x85-0x00)MINGLING。

                                        实例讲解NAND Flash原理和使用

                                        INTERNAL DATA MOVE 0x85-0x10:ZAIREAD FOR INTERNAL DATA MOVEMINGLINGFABUZHIHOU,YIJIR/B#BIANGAO,JIUKEYIFABUINTERNAL DATA MOVEMINGLINGLE,ZHEIGEMINGLINGJIANGCACEHJICUNQINEIRONGCHUANSHUDAOSHUJUJICUNQI,RANHOUBIANCHENGDAOXINDEMUBIAODIZHI,ZAIINTERNAL DATA MOVEMINGLINGYIJIDIZHIXULIEZHIHOU,R/B#BIANDI,TONGSHINEIBUKONGZHILUOJIZIDONGJIANGSHUJUBIANCHENGDAOXINDEYE,READ STATUSMINGLINGHEZHUANGTAIJICUNQIDEbit6NENGDAITIR/B#,YIQUEDINGBIANCHENGSHENMESHIHOUWANCHENG。ZHUANGTAIJICUNQIBit0ZHISHICAOZUOSHIFOUCHENGGONG。ZAIINTERNAL DATA MOVEMINGLINGXULIEQIJIAN,RANDOM DATA INPUT(0x85)YONGLAIXIUGAIYUANSHISHUJUDEYIGEHUODUOGEZI:SHOUXIAN,SHIYONG0x00-0x35MINGLINGXULIEJIANGSHUJUcopyDAOCACHEJICUNQI,RANHOU,SHIYONGDAIYAOXIUGAIDESHUJUDIZHIDEMINGLINGRANDOM DATA INTPUT(0x85),XINDESHUJUSHURUCHENGXIANZAIWAIBUSHUJUJIAO,ZHEIJIANGcopyXINDESHUJUJINRUCACHEJICUNQI。DANG0x10XIERUMINGLINGJICUNQISHIHOU,YUANSHISHUJU+XIUGAIDESHUJUBEICHUANSHUDAOSHUJUJICUNQI。BIANCHENGXINDEYIYEJIANGKAISHI,RUGUOYOUBIYAORANDOM DATA INPUTMINGLINGKEYIZAIQIDONGBIANCHENGXULIE(0x10)ZHIQIANFABUDUOCI。YINWEIINTERNAL DATA MOVECAOZUOBINGBUSHIYONGWAIBUNEICUN,SUOYIECCBUKENENGZAIBIANCHENGZHIQIANYONGLAIJIANCHACUOWU,ZHEIJIANGKENENGHUODAOZHISHUJUCUOWU。ZAIZHEIZHONGQINGKUANGXIA,ZHIXINGDUOCIINTERNAL DATA MOVECAOZUO,ZHEIXIEWEICUOWUKENENGHUIYINMEIYOUXIAOZHENGERJILEI。YOUYUZHEIGEYUANYIN,WOMENQIANGLIETUIJIANLIYONGINTERNAL DATA MOVEDEXITONGSHIYONGLUBANGECCFANGAN。ZHEIJIANGKEYIDUIMEIGESECTORXIAOZHENG2GEHUODUOGECUOWU。

                                        实例讲解NAND Flash原理和使用

                                        14.KUAICACHUCAOZUO,0x60-0xD0

                                        YICICACHUYIGEKUAI。SANGEZHOUQIDEDIZHIA[28:18]BEIYAOQIU,XIANFABUERASE SETUP(0x60)MINGLING,RANHOUSHISANGEDIZHIZHOUQI,ZHIHOUSHIERASE CONFIRM(0xD0)MINGLING。TONGGUOREAD STATUS RESGISTERMINGLINGDUCACHUCAOZUODEZHUANGTAI,DANGbit6=1SHI,CAOZUOWANCHENG,Bit0ZHISHITONGGUO/SHIBAITIAOJIAN,0BIAOSHITONGGUO。

                                        实例讲解NAND Flash原理和使用

                                        15.FUWEICAOZUO,0xFF

                                        FUWEICAOZUOSHIXINPIANJINRUYIGEYIZHIDEZHUANGTAI,ZHONGDUANZHENGZAICHULIDEMINGLINGXULIE。RANDOM READ、PROGRAM、ERASEMINGLINGZAIXINPIANMANGZHUANGTAIKEYIBEIZHONGDUAN,ZHENGZAIBEIBIANCHENGDEWEIZHIHUOZHENGZAICACHUDEKUAIDENEIRONGBIANWUXIAO,SHUJUYOUKENENGHUIBUFENDIBEICACHUHUOBIANCHENG。MINGLINGJICUNQIBEIQINGCHU,ZHUNBEIHAOJINRUXIAYIGEMINGLING。

                                        实例讲解NAND Flash原理和使用

                                        FUWEIHOUZHUANGTAIJICUNQINEIRONG:

                                        TIAOJIAN

                                        ZHUANGTAI

                                        Bit7

                                        Bit6

                                        Bit5

                                        Bit4

                                        Bit3

                                        Bit2

                                        Bit1

                                        Bit0

                                        Hex

                                        WP#GAO

                                        ZHUNBEIHAO

                                        1

                                        1

                                        1

                                        0

                                        0

                                        0

                                        0

                                        0

                                        0xE0

                                        WP#DI

                                        ZHUNBEIHAOHEXIEBAOHU

                                        0

                                        1

                                        1

                                        0

                                        0

                                        0

                                        0

                                        0

                                        0x60

                                        16.XIEBAOHUCAOZUO

                                        宏源棋牌XIEBAOHUSHIWEILEFANGZHIBUXIAOXINDEBIANCHENGHECACHUCAOZUO。DANGWP#WEIDISHIHOU,SUOYOUDEBIANCHENGHECACHUCAOZUODOUHUIBEIJINZHI。

                                        实例讲解NAND Flash原理和使用

                                        17.CUOWUGUANLI

                                        Micron NANDXINPIANCHUCHANGSHIBINGBUBAOZHENGXINPIANZHONGSUOYOUDEKUAIDOUSHIHAODE,ZHIYAO2048GEKUAIZHONGYOUBUSHAOYU2008GEWANHAOKUAIJIURENWEISHIHEGEPINKEYICHUCHANG。DANSHIHUAIDEKUAIDECUNZAI,BINGBUYINGXIANGHAODEKUAIDECAOZUO。ZAIYINGYONGXITONGZHONGYINGGAITIGONGHUAIKUAIYINGSHE、TIDAI、CUOWUXIAOZHENGDENGSUANFAJIUKEYIBAOZHENGSHUJUJUYOUHENGAODEKEKAOXINGHEWANZHENGXING。

                                        宏源棋牌MEIGECE#DEDIYIGEKUAI(WULIKUAIDIZHISHI0)JUEDUISHIJINGGUOCESHI,SHIWANHAOWUQUEDE。ZHEIJIUTIGONGLECUNFANGBOOTDAIMAHEZHONGYAOXINXIDECUNCHUWEIZHI。

                                        宏源棋牌ZAIXINPIANCHUCHANGZHIQIAN,CHANGJIAHUIZAIMEIGEHUAIKUAIDEDIYIHUODIERYEDEDIYIGEBEIFENWEIZHI(LIEDIZHISHI2048)YONGFEI0xFFBIANCHENGLAIBIAOSHIHUAIKUAI。

                                        XITONGRUANJIANZAIJINXINGRENHECACHUHUOBIANCHENGCAOZUOZHIQIANYINGGAIJIANCHAMEIGEKUAIDEDIYIHUODIERYEDEDIYIGEBEIFENDIZHISHUJU。ZHEIYANGCHUANGJIANYIGEHUAIKUAIBIAO。

                                        JINGGUOYIDINGSHIJIANDESHIYONG,NEICUNDEMOUXIEWEIZHIKENENGHUIBUNENGZHENGQUEDIBIANCHENGHECACHU,WEILEQUEBAOSHUJUDEKEKAOXING,YINGGAICAIQUYIXIEYUFANGCUOSHI,BIRU:

                                        l  ZAIXIE、CACHU、HUOSHUJUBANYICAOZUOZHIHOU,ZONGSHIJIANCHAZHUANGTAI。

                                        l  SHIYONGMOUXIELEIXINGDECUOWUJIANCEJIUZHENGSUANFA,YIBIANNENGHUIFUMOUXIEQINGWEIiede1CUOWU。

                                        l  SHIYONGHUAIKUAITIDAISUANFA。

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