参数资料
型号: MCIMX53-START-R
厂商: Freescale Semiconductor
文件页数: 63/144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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5.9.
LVDS   Video   Output  
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The ? i.MX53 ? Applications ? processor ? contains ? two ? separate ? LVDS ? modules ? that ? can ? be ? operated ?
independently. ? Each ? module ? provides ? five ? sets ? of ? differential ? pair ? signals, ? four ? used ? for ? data ? and ? one ?
pair ? for ? the ? clock ? signal. ? The ? Quick ? Start ? board ? uses ? only ? one ? of ? the ? two ? modules ? to ? provide ? an ? optional ?
secondary ? display ? panel ? that ? can ? be ? used ? in ? conjunction ? with ? one ? of ? the ? other ? primary ? means ? of ? video ?
output, ? or ? if ? desired, ? to ? be ? used ? as ? the ? sole ? video ? output. ? Developers ? who ? wish ? to ? use ? two ? LVDS ? outputs ?
at ? the ? same ? time ? may ? wish ? to ? consider ? the ? MCIMX53SMD ? Tablet ? for ? development. ? The ? Quick ? Start ?
board ? makes ? use ? of ? three ? of ? the ? differential ? pair ? data ? pins ? and ? the ? clock ? pins. ? These ? signals, ? combined ?
with ? a ? display ? enable ? pin, ? a ? contrast ? pin, ? two ? separate ? channels ? of ? I2C ? communications, ? an ? interrupt ? pin, ?
and ? power ? supplies ? (5V ? and ? 3.2V), ? will ? provide ? the ? necessary ? signals ? to ? support ? many ? of ? the ? LVDS ?
display ? panels ? currently ? available ? on ? the ? Market. ? The ? connector ? used ? is ? a ? 30 ‐ pin ? connector ? that ? meets ?
the ? LVDS ? standards ? for ? connectors ? (Hirose, ? DF19G ‐ 30P ‐ 1H(56)). ??
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Development ? work ? with ? LVDS ? panels ? was ? done ? with ? the ? Hannstar ? HSD100PXN1 ‐ A00 ‐ C11 ? display. ? This ?
display ? determined ? the ? signal ? ordering ? on ? the ? connector. ? To ? aid ? in ? development ? work, ? Freescale ? has ?
purchased ? a ? large ? number ? of ? LVDS ? display ? and ? has ? contracted ? to ? make ? customer ? cables ? that ? will ? connect ?
the ? displays ? to ? the ? Quick ? Start ? board. ? This ? LVDS ? display ? kit ? will ? be ? available ? from ? Freescale ? as ? described ?
in ? the ? board ? accessory ? section. ?
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If ? the ? developer ? wishes ? to ? use ? a ? different ? LVDS ? display, ? a ? custom ? cable ? would ? most ? likely ? be ? required ? to ?
ensure ? the ? plug ? on ? the ? cable ? end ? that ? connected ? to ? the ? display ? was ? the ? right ? type ? and ? to ? re ‐ order ? the ?
signals ? to ? match ? the ? ordering ? on ? the ? display. ? For ? use ? with ? other ? displays, ? signals ? are ? referenced ? to ? the ?
following ? voltages: ?
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LVDS ? Data/Clock ?
Display ? Control ? ?
I2C ? channel ? two ??
I2C ? channel ? three ??
2.5V ? (LVDS_2V5) ?
3.3V ? (VLDO3_3V3) ?
3.2V ? (DCDC_3V2) ?
3.3V ? (VLDO3_3V3) ?
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Isolation ? resistors ? on ? the ? i2C ? channel ? two ? traces ? (R213, ? R214) ? provide ? a ? means ? of ? isolating ? the ? LVDS ?
connector ? from ? other ? functions ? on ? the ? board ? if ? the ? LVDS ? connector ? is ? interfering ? with ? I2C ?
communication. ? In ? addition, ? the ? empty ? pads ? can ? also ? serve ? as ? attachment ? points ? for ? hand ? soldered ?
wires ? if ? the ? developer ? wishes ? to ? run ? different ? signals ? to ? this ? connector. ?
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The ? i.MX53 ? Applications ? Processor ? has ? both ? an ? internal ? and ? external ? method ? to ? measure ? Band ? Gap ?
resistance. ? If ? the ? internal ? method ? is ? chosen ? by ? software, ? pin ? AA14 ? can ? be ? left ? floating. ? If ? the ? external ?
method ? is ? desired, ? a ? 28.0K ? 1% ? Ohm ? resistor ? should ? be ? attached ? between ? pin ? AA14 ? and ? ground. ? It ? is ?
recommended ? that ? this ? resistor ? be ? added ? routinely ? to ? give ? software ? the ? option ? of ? choosing ? between ? the ?
two ? methods. ? It ? is ? also ? recommended ? to ? place ? a ? 49.9 ? 1% ? Ohm ? resistor ? as ? the ? voltage ? input ? pin ? of ? U14 ?
(NVCC_LVDS_BG) ? to ? filter ? the ? power ? used ? in ? measuring ? the ? Band ? Gap. ?
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Freescale Semiconductor
Hardware User Guide for i.MX53 Quick Start Board,
Preliminary Rev 0.91
55
PUBI – Public Use Business Information ?
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