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LPC-E2468

development board

Users Manual

Rev.B, February 2008

Copyright(c) 2008, OLIMEX Ltd, All rights reserved

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Содержание LPC-E2468

Страница 1: ...LPC E2468 development board Users Manual Rev B February 2008 Copyright c 2008 OLIMEX Ltd All rights reserved...

Страница 2: ...ted to ADC RESET circuit with external control of Philips ISP utility via RS232 port two USER button RESET Button two on board voltage regulators 3V and 5V with up to 800mA current Extension port conn...

Страница 3: ...ncludes 64 kB of SRAM on the ARM local bus for high performance CPU access 16 kB SRAM for Ethernet interface Can also be used as general purpose SRAM 16 kB SRAM for general purpose DMA use also access...

Страница 4: ...lock source can be the RTC oscillator or the APB clock 2 kB SRAM powered from the RTC power pin allowing data to be stored when the rest of the chip is powered off WatchDog Timer WDT The WDT can be cl...

Страница 5: ...When used as the CPU clock does not allow CAN and USB to run On chip PLL allows CPU operation up to the maximum CPU rate without the need for a high frequency crystal May be run from the main oscillat...

Страница 6: ...BLOCK DIAGRAM...

Страница 7: ...MEMORY MAP LPC2468 memory map...

Страница 8: ...SCHEMATIC...

Страница 9: ...ote the battery only supplies the internal 2MB SRAM and the RTC The board power consumption is about 150 mA at 9VDC RESET CIRCUIT LPC E2468 reset circuit is made with RC group R4 47K C20 100nF and RES...

Страница 10: ...state is closed NF_WPE This jumper when closed write protects the flash and when open disables the write protection Default state is open N_CE CS1 When 1 2 is shorted you could select the flash memory...

Страница 11: ...in is supplied by the on board 3 3V supply Default state is 2 3 shorted EXT USB_D This jumper controls 3 3V power supply for the board If 1 2 are shorted the external power from the PWR jack and after...

Страница 12: ...in 81 P2 21 DYCS1 Two LEDs named STAT1 green and STAT2 red connected to LPC2468 pin 104 P4 17 A17 and LPC2468 pin101 P4 16 A16 Two yellow LEDs named USB_1 and USB_2 connected to LPC2468 pin 66 P1 18 U...

Страница 13: ...differential input output for the USB device depending on the direction of the data flow USB_H Pin Signal Name Pin Signal Name 1 USB_PWRD1 5 USB_PWRD2 2 U1D 6 U2D 3 U1D 7 U2D 4 GND 8 GND USB_PWRD1 Out...

Страница 14: ...register Data is shifted out of the device on the negative edge of the TCK signal TMS Input Test Mode Select The TMS pin selects the next state in the TAP state machine TCK Input Test Clock This allo...

Страница 15: ...it is either data output from the MCU when it is master or data input for the MCU when it is slave SCK I O Serial Synchronization Clock This is the synchronization clock for the data transfer through...

Страница 16: ...oth input and output for the MCU depending on the data flow direction MCICMD Output Memory Card Interface Command This is a command sent form the processor to the memory card and as such it is output...

Страница 17: ...4 EXT2 16 P3 23 EXT1 17 VREF EXT1 18 P0 24 EXT2 17 P3 22 EXT2 18 P3 21 EXT1 19 P0 23 EXT1 20 P0 22 EXT2 19 P3 20 EXT2 20 P3 19 EXT1 21 P0 21 EXT1 22 PHY_PD EXT2 21 P3 18 EXT2 22 P3 17 EXT1 23 P0 19 EX...

Страница 18: ...MECHANICAL DIMENSIONS All measures are in mm AVAILABLE DEMO SOFTWARE LPC E2468 is delivered pre loaded with C Linux and the sources and binaries are on the accompanying CD...

Страница 19: ...with the sale of Olimex products Neither the whole nor any part of the information contained in or the product described in this document may be adapted or reproduced in any material from except with...

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