LPC2294 Mermeory Interface Problem

Started by nan_david624 in LPC200012 years ago 1 reply

Hi, Regarding the LPC2294: I have 16 bit memory interface with 2X 8 bit chips. When I use BLS1 and BLS0 as WE for the respective chip (as shown...

Hi, Regarding the LPC2294: I have 16 bit memory interface with 2X 8 bit chips. When I use BLS1 and BLS0 as WE for the respective chip (as shown in the User Manual page 60), it does not seems to work. But when I use WE ORed with BLS1 and WE ORed with BLS0, which is working. Is the manual correctly document the interface? Can I take out the logic? so anyone of you, could you plesase advice. ...


LPC 2294 LINKER SCRIPT

Started by arm_techie arm_user in LPC200013 years ago 1 reply

hi, i am using gnuarm developing the firmware for lpc2294.i have the linker script file for the 2106.............i tried to make it...

hi, i am using gnuarm developing the firmware for lpc2294.i have the linker script file for the 2106.............i tried to make it for 2294........ but with this file its showing error............ The Error message I am getting is "ld: address 0x700 of ADC_1.elf section .stack is not within region RAM" please help me to write the linker script file for lpc2294/how to remove this ...


I2C interface for LPC2294

Started by aditiiitb in LPC200011 years ago 2 replies

Hi! I am making a digital camera using KAC 9619 CMOS image sensor and ARM LPC 2294. I need some help on the I2C protocol required...

Hi! I am making a digital camera using KAC 9619 CMOS image sensor and ARM LPC 2294. I need some help on the I2C protocol required for controlling the sensor. Could somebody give me a sample template for writing/reading 1 byte data into a peripheral using the LPC2294 via the I2C protocol ? I found one template for the PCF8570: // Simulation of I2C Memory (Slave): like Philips PCF8570 (256...


LPC2294/LPC2292, JTAG and any Hardware problem

Started by kralikbo in LPC200015 years ago 1 reply

Hi all. I have a problem with LPC2292/2294 device, please help me.I made system with LPC2294/2292 Philips processor.System...

Hi all. I have a problem with LPC2292/2294 device, please help me.I made system with LPC2294/2292 Philips processor.System contains CPU, 24MHz, xtal, two capacitors, JTAG EI012 interface, decouple capacitors for all supply pins(100nF) and supply devices(LM2941S, LP396


LPC2294 SPI, number of bits

Started by Boris Kralik in LPC200011 years ago 2 replies

Hi group. We have a discussion about number of bits of SPI, which I want to transfer/receive. My opinion is, that SPI on LPC2294 is only...

Hi group. We have a discussion about number of bits of SPI, which I want to transfer/receive. My opinion is, that SPI on LPC2294 is only 8bits, SPI Data Register is only 7:0 bits. Is possible transfer/receive 16 bit word ? How I do it ? Thank you for answer. ------------------------------------


TD1(pin 22) on LPC2292/LPC2294 as GPIO

Started by Boris Kralik in LPC200013 years ago 9 replies

Hi. I want to use TD1 pin on LPC2292/LPC2294 as output, but in manual is not ports to GPIO. Is possible to use TD1 as GPIO ? If yes, how it...

Hi. I want to use TD1 pin on LPC2292/LPC2294 as output, but in manual is not ports to GPIO. Is possible to use TD1 as GPIO ? If yes, how it make it ? Thx.


Burst mode diagram or example

Started by tlscherr in LPC200014 years ago

Hi, Has anyone seen a timing diagram of the burst mode external memory access on the LPC2292 or LPC2294? Or do you have any examples of...

Hi, Has anyone seen a timing diagram of the burst mode external memory access on the LPC2292 or LPC2294? Or do you have any examples of access to page mode or burst mode FLASH using the LPC2292 or LPC2294? Thanks, Tim Scherr


EXTINT Problems with 2294

Started by jdauchot in LPC200011 years ago

Hi Sorry I have to send this message again I am having problems using external ints again using 2294. The code below works OK on a...

Hi Sorry I have to send this message again I am having problems using external ints again using 2294. The code below works OK on a LPC2148 but NOT on a LPC2294 I use OLIMEX boards which has push button wired to EINT0 P0.16 on both boards When I push the button on the lpc2148 board works fine and the interrupt gets cleared. But on the lpc2294, the interrupt fires but never gets clear...


Header File for LPC2294 and GNU GCC?

Started by "claus.meyer73" in LPC200012 years ago 3 replies

Hello, has anyone a header file for the LPC2294 that i can use with Eclipse and GNU GCC? Thank you... Claus

Hello, has anyone a header file for the LPC2294 that i can use with Eclipse and GNU GCC? Thank you... Claus


Load program In external SRAM with LPC2294

Started by zied130187 in LPC20008 years ago 1 reply

hello, i have LPC2294, and i want to load my program in external SRAM i have a problem to choose the SRAM (8,16 or 32 bits ?) when i look...

hello, i have LPC2294, and i want to load my program in external SRAM i have a problem to choose the SRAM (8,16 or 32 bits ?) when i look in the schematic of boards in net, i have found that all boards contains 2 SRAM 16 bits and data bus is configured as following : D0-D15 to SRAM1 and D16-D31 to SRAM2 i want to know if it is necessary to use 2 SRAM (16bits)to load program in ext...


IAP lpc2294 Copy2Ram problem

Started by mpwalter2005 in LPC200014 years ago 1 reply

Hi everybody, some problem during using the IAP functions of the lpc2294. I have wrote this sample code: int iFlashRAMCopy...

Hi everybody, some problem during using the IAP functions of the lpc2294. I have wrote this sample code: int iFlashRAMCopy (unsigned long DestinationFlashAddress, unsigned long SourceRAMAddress, unsigned int BytesToWrite, unsigned long ProcFrequency, unsigned char StartSector, unsigned char EndSector) { unsigned long command[5];


LPC2294 Thumb mode compare problem.

Started by j_bergley in LPC200012 years ago 2 replies

Hey, We ran into a problem that doesn't make sense. When performing signed compares on the LPC2294 in THUMB mode the overflow flag doesn't...

Hey, We ran into a problem that doesn't make sense. When performing signed compares on the LPC2294 in THUMB mode the overflow flag doesn't seem to be set correctly. Here is an simple example of what creates the problem. signed int x = -1; signed int y = -2; signed int z = 0; if( x


Programming external Flash with bootloader LPC2290 and LPC2294

Started by gfaurie1 in LPC200014 years ago 1 reply

Hi, I 'd like to know if it's possible to program an external flash on CS0 with the integrated bootloader on UART0. The bootloader...

Hi, I 'd like to know if it's possible to program an external flash on CS0 with the integrated bootloader on UART0. The bootloader commands give the possibity to copy on-chip-RAM to on- chip FLASH in LPC2294. Is it possible to copy on external FLASH? because LPC2290 haven't on chip memory does any-body have already programed external


script file problem LPC2294 to LPC2129

Started by zied130187 in LPC20008 years ago 2 replies

hello, i have this script file for LPC2294 this script file load program in RAM and external RAM (EPROM) but in LPC2129 i don't have...

hello, i have this script file for LPC2294 this script file load program in RAM and external RAM (EPROM) but in LPC2129 i don't have EPROM i want to change this script to load my program in RAM and ROM help me please ! this is the script : /************************************************************ ENTRY (Vec_reset) /* SEARCH_DIR(.) */ MEMORY { internal_ram : org = 0x40...


problems using external ints again

Started by jdauchot in LPC200011 years ago

Hi I am having problems using external ints again. The code below works OK on a LPC2148 but NOT on a LPC2294 I use OLIMEX boards which has...

Hi I am having problems using external ints again. The code below works OK on a LPC2148 but NOT on a LPC2294 I use OLIMEX boards which has push button wired to EINT0 P0.16 on both boards When I push the button on the lpc2148 board works fine and the interrupt gets cleared. But on the lpc2294, the interrupt fires but never gets cleared and the interrupt continiously gets called. I ...


how to delay LPC2294 without timmer..?

Started by dennis_arm in LPC200013 years ago 4 replies

Hi All !! I am new to LPC2294 and wish to produce a small code for delay some thing like void delay (unsigned int Usec) { ...

Hi All !! I am new to LPC2294 and wish to produce a small code for delay some thing like void delay (unsigned int Usec) { unsigned int delayUsec= ( ?? ) * Usec; // line 1 volatile unsigned int count = 0; // line 2 for (count = 0; count < delayUsec; count++) //line 3 {asm volatile ("nop");} // line 4 } where time


Started by Amr Sabri in LPC20009 years ago 1 reply

Dear members, Does any one have a pwm driver for lpc2294 Thanks in advance Best Regards Amr Sabri

Dear members, Does any one have a pwm driver for lpc2294 Thanks in advance Best Regards Amr Sabri


Microcanopen

Started by anis4444 in LPC200012 years ago 1 reply

Does anyone have the source code for LPC2294 with microcanopen implemented ?

Does anyone have the source code for LPC2294 with microcanopen implemented ?


LPC2294 - Bootloader by CAN interface

Started by "alessandro.berinucci" in LPC20009 years ago 2 replies

Hi, I'd like to know if is possible to do the bootloader by CAN inteface. I'd like to copy a firmware in the on chip Flash by CAN inerface...

Hi, I'd like to know if is possible to do the bootloader by CAN inteface. I'd like to copy a firmware in the on chip Flash by CAN inerface with another processor. Is this possible? Tank in advance, Alessandro. ------------------------------------


Migrating From 2106 to 2294

Started by rtstofer in LPC200013 years ago 1 reply

Are there any surprises in store when I try to use my Eclipse->GNUArm tool chain on the LPC2294? Anyone have any experience with the...

Are there any surprises in store when I try to use my Eclipse->GNUArm tool chain on the LPC2294? Anyone have any experience with the Sparkfun LPC2295 Header Board? Is the external flash programmed via JTAG? Thanks Richard