参数资料
型号: MCIMX53-START-R
厂商: Freescale Semiconductor
文件页数: 29/144页
文件大小: 0K
描述: KIT DEVELOPMENT I.MX53
标准包装: 1
系列: i.MX53
类型: MCU
适用于相关产品: i.MX53
所含物品:
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Hardware Reference Manual for i.MX53 Quick Start
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4.6. Microphone   Input   Connector   (J6)  
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The ? Quick ? Start ? board ? provides ? a ? 3.5mm ? stereo ? connector ? for ? a ? microphone ? input. ? The ? microphone ? is ?
not ? provided ? as ? part ? of ? the ? Quick ? Start ? kit. ? The ? developer ? has ? several ? choices ? as ? to ? the ? type ? of ? device ?
plugged ? into ? this ? connector. ? A ? mono ? microphone ? will ? input ? its ? signal ? though ? the ? tip ? of ? the ? 3.5mm ? plug. ?
The ? microphone ? bias ? is ? applied ? on ? the ? Quick ? Start ? board, ? therefore ? a ? microphone ? which ? uses ? a ? wire ? to ?
send ? the ? bias ? signal ? to ? the ? actual ? condenser ? is ? not ? necessary, ? but ? will ? not ? interfere ? with ? the ? microphone ?
operation. ? The ? Quick ? Start ? board ? can ? also ? be ? configured ? for ? use ? with ? a ? microphone/mono ‐ output ? ear ?
bud ? commonly ? used ? on ? cellular ? phones. ? To ? have ? right ? channel ? sound ? output ? on ? this ? connector, ? it ? would ?
be ? necessary ? for ? the ? developer ? to ? move ? the ? ferrite ? bead ? from ? the ? L25 ? pads ? and ? solder ? it ? to ? the ? L22 ? pads. ?
This ? will ? remove ? the ? signal ? from ? the ? headphone ? output ? connector. ? The ? developer ? may ? also ? find ? it ?
necessary ? to ? use ? a ? 2.5mm ? to ? 3.5mm ? adapter ? with ? most ? cellular ? microphone/earphone ? sets. ? As ?
manufactured, ? the ? developer ? may ? also ? use ? a ? two ? plug ? headphone, ? microphone ? set ? commonly ? used ? for ?
VOIP ? services ? on ? a ? PC. ? The ? microphone ? is ? connecter ? at ? the ? point ? shown ? in ? Figure ? 6. ?
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Microphone ?
Connector ? (J6) ?
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Figure ? 6. ? Microphone ? Connector ? (J6) ?
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Freescale Semiconductor
Hardware User Guide for i.MX53 Quick Start Board,
Preliminary Rev 0.91
21
PUBI – Public Use Business Information ?
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