1. Introduction ?
?
The ? SOMDIMM ‐ LPC2478 ? provides ? a ? quick ? and ? easy ? solution ? for ? implementing ? an ? ARM7TDMI ‐ S ? based ? design ? by ?
providing ? the ? basic ? functions ? necessary ? for ? a ? product ? on ? an ? easy ? to ? use ? SOMDIMM. ? The ? SOMDIMM ? uses ? an ?
industry ? standard ? 200 ? pin ? SO ‐ DIMM ? interface. ? These ? sockets ? are ? utilized ? by ? virtually ? every ? laptop ? on ? the ? market. ?
?
This ? SOMDIMM ? is ? compatible ? with ? FDI’s ? Family ? of ? Touch ? Screen ? LCD ? Kits ? but ? can ? also ? be ? used ? for ? custom ? platform ?
development ? or ? customer ? applications. ?
?
2. LPC2478 ? SOMDIMM ? Block ? Diagram ?
?
CARRIER USER I/O
TEMP, ACCEL, RTC, PBTNS, LEDS, EXTERNAL
DIMM MODULE BORDER
1KX8
SECURE
EEPROM
DEBUG
SERIAL
MINI
JTAG
3.3V
5.0V
3.3V
SPK
CAN
CONN
CAN1
I2S
TOUCH INTERFACE
16-BIT TFT
10/100
ETHERNET
KSZ8041
ETH
PHY
RMII
LPC2478
ARM7TDMI-S based
Microprocessor
SPI_1
UART2
RS232
SERIAL
USB
DEVICE
USB
HOST
USBB DEVICE
USBA HOST
MISC EXP GPIO
DIMM MODULE BORDER
2MX32
SDRAM
TSOP
(4MX32 OPT)
?
uSD
Socket
?
?
Figure ? 1 ? – ? LPC2478 ? SOMDIMM ? Block ? Diagram ?
?
4 ?
?
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