?
?
?
?
?
4.11. microSD   Card   Connector   (J4)  
?
The ? Quick ? Start ? board ? has ? one ? micro ? SD/MMC ? connector ? that ? can ? be ? used ? for ? memory. ? The ? micro ? SD ?
Card ? Connector ? (J4) ? connects ? a ? 4 ‐ bit ? parallel ? data ? bus ? to ? the ? SD1 ? port ? of ? the ? i.MX53 ? processor. ? The ?
micro ? SD ? Card ? Connector ? receives ? power ? from ? the ? VLDO3 ? power ? rail. ? The ? Quick ? Start ? board ? comes ?
configured ? to ? boot ? from ? the ? micro ? SD ? Card ? Connector ? by ? default. ? The ? micro ? SD ? Card ? Connector ? is ? spring ?
loaded ? and ? will ? eject ? a ? properly ? inserted ? card ? if ? the ? card ? is ? pushed ? in ? again. ?? Caution: ? If ? the ? card ? is ?
ejected ? while ? serving ? as ? the ? file ? system, ? the ? processor ? will ? undergo ? a ? software ? crash. ?? The ? micro ? SD ? Card ?
is ? inserted ? facing ? up ? at ? the ? location ? shown ? in ? Figure ? 11 . ?
?
?
microSD ?
Connector ? (J4) ?
Figure ? 11. ? microSD ? Card ? Connector ? (J4) ?
?
Freescale Semiconductor
?
Hardware User Guide for i.MX53 Quick Start Board,
Preliminary Rev 0.91
26
PUBI – Public Use Business Information ?
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