4-megabit?2.5-volt?or?2.7-volt?DataFlash?AT45DB041BFor?New?Designs?Use?AT45DB041DThe?CS?pin?must?remain?low?during?the?loading?of?the?opcode,?the?address?bits,?the?don’t?carebits,?and?the?reading?of?data.?When?the?end?of?a?page?in?main?memory?is?reached?during?a?Continuous?Array?Read,?the?device?will?continue?reading?at?the?beginning?of?the?next?page?with?nodelays?incurred?during?the?page?boundary?crossover?(the?crossover?from?the?end?of?one?page?tothe?beginning?of?the?next?page).Features??Single?2.5V?-?3.6V?or?2.7V?-?3.6V?Supply??Serial?Peripheral?Interface?(SPI)?Compatible??20?MHz?Max?Clock?Frequency??Page?Program?Operation–?Single?Cycle?Reprogram?(Erase?and?Program)–?2048?Pages?(264?Bytes/Page)?Main?Memory??Supports?Page?and?Block?Erase?Operations??Two?264-byte?SRAM?Data?Buffers?–?Allows?Receiving?of?DataPin?Name?FunctionCS?Chip?SelectSCK?Serial?ClockSI?Serial?InputSO?Serial?OutputWP?Hardware?Page?Write?Protect?PinThe?DataFlash?incorporates?an?internal?address?counter?that?will?automaticallyincrement?on?every?clock?cycle,?allowing?one?continuous?read?operation?without?the?need?ofadditional?address?sequences.?To?perform?a?continuous?read,?an?opcode?of?68H?or?E8H?must?beclocked?into?the?device?followed?by?24?address?bits?and?32?don’t?care?bits.?The?first?four?bits?ofthe?24-bit?address?sequence?are?reserved?for?upward?and?downward?compatibility?to?larger?andsmaller?density?devices?(see?Notes?under?“Command?Sequence?for?Read/Write?Operations”?diagram).Buffer?ReadData?can?be?read?from?either?one?of?the?two?buffers,?using?different?opcodes?to?specify?whichbuffer?to?read?from.?An?opcode?of?54H?or?D4H?is?used?to?read?data?from?buffer?1,?and?an?opcodeof?56H?or?D6H?is?used?to?read?data?from?buffer?2.?To?perform?a?Buffer?Read,?the?eight?bits?of?theopcode?must?be?followed?by?15?don’t?care?bits,?nine?address?bits,?and?eight?don’t?care?bits.?Sincethe?buffer?size?is?264?bytes,?nine?address?bits?(BFA8?-?BFA0)?are?required?to?specify?the?first?byteof?data?to?be?read?from?the?buffer.?The?CS?pin?must?remain?low?during?the?loading?of?the?opcode,the?address?bits,?the?don’t?care?bits,?and?the?reading?of?data.?When?the?end?of?a?buffer?isreached,?the?device?will?continue?reading?back?at?the?beginning?of?the?buffer.?A?low-to-high?transition?on?the?CS?pin?will?terminate?the?read?operation?and?tri-state?the?SO?pin.Status?Register?ReadThe?status?register?can?be?used?to?determine?the?device’s?Ready/Busy?status,?the?result?of?aMain?Memory?Page?to?Buffer?Compare?operation,?or?the?device?density.?To?read?the?status?register,?an?opcode?of?57H?or?D7H?must?be?loaded?into?the?device.?After?the?last?bit?of?the?opcode?isshifted?in,?the?eight?bits?of?the?status?register,?starting?with?the?MSB?(bit?7),?will?be?shifted?out?onthe?SO?pin?during?the?next?eight?clock?cycles.?The?five?most?significant?bits?of?the?status?registerwill?contain?device?information,?while?the?remaining?three?least-significant?bits?are?reserved?forfuture?use?and?will?have?undefined?values.?After?bit?0?of?the?status?register?has?been?shifted?out,the?sequence?will?repeat?itself?(as?long?as?CS?remains?low?and?SCK?is?being?toggled)?startingagain?with?bit?7.?The?data?in?the?status?register?is?constantly?updated,?so?each?repeatingsequence?will?output?new?data.

集團事業(yè)部深圳市天吉芯技術(shù)開發(fā)有限公司是一家從事消費類產(chǎn)品設(shè)計、集成電路推廣銷售，及方案開發(fā)的高科技企業(yè)，代理、分銷全球電子元件（MCU，音頻IC--功放IC，耳放IC，DAC-ADC-CODEC，視頻處理IC，電源IC，運放IC，MOS等功能的集成IC）, 與各大原廠和代理商都保持著密切的合作關(guān)系（TI，ADI，NXP，ST， 臺灣立錡，新唐，禾潤，智浦欣，茂田MOS）（鄭主管VX同號）。致力于打造一個能為電子成品生產(chǎn)廠家提供的供應(yīng)平臺，積累多年的水平、扎實基礎(chǔ)及業(yè)界信譽得以快速和健康的發(fā)展。 公司所涉及的產(chǎn)品廣泛應(yīng)用于藍牙音響、拉桿音箱、迷你音箱、多媒體音響、Soundbar 音響、耳機放大、便攜式收音機、 PDA 、電視機、 兒童故事機、玩具、禮品等產(chǎn)業(yè) 。;集團第二事業(yè)部深圳市天智芯技術(shù)開發(fā)有限公司從事MCU智能產(chǎn)品，5.8G/2.4G無線音頻傳輸方案，無線燈控方案，從進口ST的32位和8位MCU的方案開發(fā)，到國產(chǎn)的32位和8位MCU的產(chǎn)品軟硬件開發(fā)，的無線音頻傳輸方案客制化開發(fā)，2.4G，藍牙，Wifi，433，AI語音識別等無線智能控制單元產(chǎn)品。涉獵產(chǎn)品領(lǐng)域：家庭影院，無線樂器傳輸， 智能家居控制單元，智能燈控等諸多成熟的項目。 （鄭主管VX同號）深圳市天吉芯技術(shù)開發(fā)有限公司多年秉承誠拙守信、合作雙贏的理念。通過不懈努力和不斷的創(chuàng)新總結(jié),造更好的服務(wù)于既有客戶和對市場快速的適應(yīng)能力,供應(yīng)渠道的不斷開拓與管理體系樂器音頻無線傳輸，2.4G吉他無線傳輸，2.4G樂器收發(fā)模塊，5.8G吉他收發(fā)器，5.8G樂器音頻無線傳輸，2.4G無線音頻。HiFi，ADC DAC DSP 。