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Hardware Reference Manual for i.MX53 Quick Start
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3.2. DDR3   DRAM   Memory  
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The ? i.MX53 ‐ Quick ? Start ? board ? uses ? four ? 2 ‐ Gigabit ? DDR3 ? SDRAM ? ICs ? manufactured ? by ? Micron ? for ? a ? total ?
onboard ? RAM ? memory ? of ? 1 ? GigaByte. ? The ? SDRAM ? data ? width ? for ? each ? IC ? is ? 16 ‐ bits. ? The ? chips ? are ?
arranged ? in ? pairs ? that ? are ? controlled ? by ? each ? of ? the ? two ? chip ? select ? pins ? to ? form ? 32 ‐ bit ? words ? for ? the ?
i.MX53 ? CPU. ? On ? Die ? Termination ? (ODT) ? functionality ? has ? been ? implemented ? on ? the ? board, ? as ? well ? as ? the ?
ability ? to ? separate ? out ? the ? I/O ? Voltage ? Supply ? from ? the ? main ? SDRAM ? Voltage ? Supply ? if ? desired. ?
3.3. Dialog   DA9053   PMIC  
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The ? DA9053 ? device ? is ? a ? small ? (7 ? x ? 7 ? mm, ? 0.5mm ? pitch) ? 169 ? ball ? VFBGA ? that ? provides ? nearly ? all ? power ?
supply ? functions ? for ? the ? Quick ? Start ? board. ? The ? following ? is ? a ? feature ? list ? of ? the ? major ? functionality ?
provided ? by ? the ? DA9053 ? PMIC ? for ? the ? Quick ? Start ? board: ?
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Power ? Supply ? resources: ?
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12 ? Low ? Drop ? Out ? (LDO) ? regulators ?
1 ? for ? internal ? PMIC ? purposes ? only ? (LDOCORE) ?
1 ? for ? charging ? optional ? back ? up ? coin ? cell ?
10 ? for ? platform ? needs ?
4 ? DC/DC ? Buck ? Converters ? (3 ? with ? DVS) ?
1 ? for ? the ? ARM ? Core ? supply ? (VBUCKCORE) ?
1 ? for ? the ? Peripheral ? Core ? supply ? (VBUCKPRO) ?
1 ? for ? the ? external ? SDRAM ? memory ? (VBUCKMEM) ?
1 ? for ? the ? internal ? cache ? memory ? (VBUCKPERI) ?
1 ? White ? LED ? driver ? and ? boost ? converter ?
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Li ‐ ION ? battery ? Charger ?
Resistive ? touch ? screen ? interface ?
Expansion ? Port ? Card ? ID ? detect ?
Wall ? voltage ? supply ? over ‐ voltage ? protection ?
1 ? HS ‐ I2C ? interface ?
External ? LDO ? regulator ? enable ?
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Freescale Semiconductor
Hardware User Guide for i.MX53 Quick Start Board,
Preliminary Rev 0.91
7
PUBI – Public Use Business Information ?
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