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isd4004語音芯片翻錄器設計畢業(yè)論文(編輯修改稿)

2024-08-25 10:02 本頁面
 

【文章內(nèi)容簡介】 xx( xxxxxxxxxxxxxxx) 執(zhí)行快進,直到 EOM,若再無信息,則進入 OVF 狀態(tài) STOP 0x110xxx( xxxxxxxxxxxxxxx) 停止當前操作 STOP PWRDN 0X01Xxxx( xxxxxxxxxxxxxxx) 停止當前的操作并掉電 RINT 0X110xxx( xxxxxxxxxxxxxxxx) 讀狀態(tài); OVF 和 EOM 注: 快進只能在放音操作開始選擇 ( 3) SPI 端口的控制位 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 13 of 46 ( 4) SPI 控制寄存器 SPI 控制寄存器控制器件的每處功能,如錄放、錄音、信息檢索(快進)、上電 /掉電、 開始、停止操作、忽略地址指針等。詳見下表 位 值 功能 位 值 功能 RUN = = 1 0 允許 /禁止操作 開始 停止 PU = = 1 0 電源控制 上電 掉電 P/R = = 1 0 錄 /放方式 放音 錄音 IAB = = 1 0 操作是否使用指令地址 忽略輸入地址寄存器的 內(nèi)容 使用輸入地址寄存器的內(nèi)容 MC = = 1 0 快進模式 允許快進 禁止快進 P15~P0 行指針寄存器 A0~A15 輸入地址寄存器 注: IAB 置 0 時,錄、放操作從 A15A0 地址開始。為了能連貫地錄、放到后續(xù)的存儲空間,在操作到達該行之前,應發(fā)出第二個 SPI 指令將 IAB 置 1;原則器件在同一地址上反復循環(huán)。這個特點對語音提示功能很有用, RAC 腳和 IAB 位可用于信息管理。 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 14 of 46 時序 SPI 時序參數(shù)如 ISD4003系列,時序圖也相同 Symbol Characteristics Min Max Units Conditions TSSS SS Setup Time 500 nsec TSSH SS Hold Time 500 nsec TDIS Data in Setup Time 200 nsec TDIH Data in hold Time 200 nsec TPD Output Delay 500 nsec TDF(2) Output Delay to his 500 nsec TSSMIN SS HIGH 1 usec TSCKHI Silk high Time 400 nsec TSCKLOW SCLK Low Time 400 nsec FO CLK Frequency 1000 KHz 8 位及 24 位命令格式如下: Figure 6: 8Bit Command Format Figure 7: 24Bit Command Format 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 15 of 46 錄音、放音、停止時序如下: Figure 8: Playback/Record and Stop Cycle 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 16 of 46 典型應用電路 (與 ISD4003 系列相同)這里共給出四種應用電路圖 Figure 10: Application Example Using SP( 1) 1. This application example is for illustration purposes only. TER makes no representation or warranty that such application will be suitable for production. 2. Please make sure the bypass capacitor, c2 is as close as possible to the package. Figure 11: Application Example using microware(1) 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 17 of 46 1. This application example is for illustration purposes only. TER makes no representation or warranty that such application will be suitable for production. 2. Please make sure the bypass capacitor. C2 is as close as possible to the package. Figure 12: Application Example Using SPI port on Micro controller(1) 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 18 of 46 1. This application example is for illustration purposes only. TER makes no representation or warranty that such application will by suitable for production. 2. Please make sure the bypass capacitor, C2 is as close as possible to the package. Figure 13: Application Example Using SPI with a chip scale packaged Device 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 19 of 46 1. This application example is for illustration purposes only. TER makes no representation or warranty that such application will be suitable for production. 2. Please make sure all bypass capacitors are as close as possible to the package. 3. Ground plane must be used to connect all VSSA pins together, .it a ground plane is not available then a short and low impedance path is necessary. 4. Route ANA IN+ and ANA IN away from VCCD and VSSD return paths. 5. Blazing for elect ret microphone must e from VCCD and VSSA . 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 20 of 46 電氣參數(shù) 極限參數(shù)與工作參數(shù) Condition value Condition Value Junction temperature 150℃ VCCVSS to+ Storage temperature range 65℃ to +150℃ Commercial operating temperature range(1) 0℃ to 70℃ Voltage applied to any pin () to (Vcc+) Extended operating temperature(1) 20℃ to +70℃ Voltage applied to any pin(input current limited to +20mA) () to (Vcc+) Industrial operating temperature(1) 40℃ to 85℃ Voltage applied to MOSL,SCLK, and ss pins(input current limited to +20mA () to (Vcc+) Supply voltage (VCC) (2) + to + Lead temperature (soldering – 10 seconds) 300℃ Ground voltage(VSS) (3) 0v 1. Case temperature. 2. VCCVCCAVCCD. 3. VSS=VSSA=VSSD. 1. stresses above those listed may cause permanent damage to the device. Exposure to the absolute maximum ratings may affect device reliability. Functional operation is not implied at these 2. 直流參數(shù) Symbol Parameters Min(2) Typ(1) Max(2) units conditions VIL Input Low voltage VCC* V VIH Input High voltage VCC* V VOL Cutput low voltage V ICL=10uA 常州信息職業(yè)技術學院 畢業(yè)設計(論文)報告 ISD4004 語音芯片翻錄器設計 計算機科學與技術系 計應 041 班 吳玲玲 Page 21 of 46 VOL1 RAC, INT Output low voltage V ICH=10uA VCH Output high voltage V ICL=1mA LCC Vcc current(operating) playback record 15 25 30 40 mA mA REXT=∝ (3) REXT=∝ (3) LSS Vcc Current (standby) 1 10 uA (3)(4) LLL Input Lockage Current +1 uA LHZ MISO Tristate current 1 10 uA REXT Output load impedance 5 KΩ RANA IN+ ANA IN+ input Resistance 71 KΩ RANA IN ANA ININPUT Resistance 40 56 KΩ AARP ANA IN+or ANA IN and out gain 25 dB (5) 1. Typical values: Ta=25℃ and . 2. All min/max limits are guaranteed by TER via electrical testing or characterization. Not all specifications are 100 percent fasted. 3. .VCCA and VCCD connected together. 4. VCCA and VCCD. XCLK=MOSI=VSSA=VSSD and all other pins floating 5. Measured with Auto Mute feature disabl
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