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3. Functional ? Description ?
?
SOMDIMM ‐ LPC2478 ??
?
?
?
?
?
?
?
?
LPC2478 ? ARM7TDMI ‐ S ? based ? Microprocessor ?
2Mx32 ? SDRAM ? (8Mega ‐ bytes) ? optional ? up ? to ? 32Mx32 ?
1KB ? I2C ‐ Serial ? EEPROM ? with ? Access ? Protection ?
10/100 ? Ethernet ? PHY ?
Micro ? SD ? Card ? Socket ? for ? up ? to ? 2Giga ‐ bytes ? storage ? (SDHC ? is ? not ? supported) ?
Mini ? JTAG ?
ISP ? Connector ? for ? use ? with ? USP ‐ ICP ‐ LPC2K ?
Power ‐ on ? Reset ? Generator ?
?
4. ESD ? Warning ?
?
The ? DK ‐ TS ‐ KIT ? shipped ? in ? a ? protective ? anti ‐ static ? package. ? The ? kit ? must ? not ? be ? subjected ? to ? high ? electrostatic ?
potentials. ? Damage ? may ? occur ? to ? the ? boards ? that ? will ? not ? be ? covered ? under ? warranty. ? General ? practice ? for ? working ?
with ? static ? sensitive ? devices ? should ? be ? followed ? when ? working ? with ? the ? DK ‐ TS ‐ KIT. ?
?
5. Requirements ?
?
The ? SOMDIMM ‐ LPC2478 ? requires ? a ? carrier ? board ? with ? a ? 200 ‐ pin ? SO ‐ DIMM ? socket. ? The ? socket ? should ? have ? the ? key ?
at ? the ? 1.8V ? location ? (the ? SOMDIMM ‐ LPC2478 ? doesn’t ? require ? 1.8V). ? The ? CARRIER ? Board ? from ? Future ? Designs ?
provides ? this ? socket ? and ? should ? be ? utilized ? to ? develop ? your ? application ? for ? initial ? verification. ??
?
Example ? SO ‐ DIMM ? Socket ? Manufacturer ? and ? Part ? Number: ? TYCO ? 1473005 ‐ 4 ?
?
Please ? refer ? to ? section ? 10 ? for ? the ? pin ? out ? details ? of ? the ? SOMDIMM ? Edge ? Finger. ?
6. SOMDIMM ‐ LPC2478 ? Power ? Requirements ?
The ? following ? power ? requirements ? were ? measured ? at ? room ? temperature ? at ? 72MHz ? operating ? clock ? rate: ?
?
Voltage ?
3.3V ?
Booted ? at ? the ? uEZ ? Demo ? Screen ?
200mA ?
Observed ? Max ?
208mA ?
?
5 ?
?
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