Re: 'SRC ADRS' smart way...

Started by Micah Caudle in TMS320c54x17 years ago

Hopefully I understand your question. How to get the address of the boot table into external memory at FFFFh so the bootloader...

Hopefully I understand your question. How to get the address of the boot table into external memory at FFFFh so the bootloader knows where to find it. I use Flash memory and use the FlashBurn utility from TI to burn the Flash initially. In Flashburn there is a little checkbox l


RE: why the data displayed in the CCS I/O space is not the actual data a?

Started by Jane Shen in TMS320c54x21 years ago

Hi guys, I would like to thank all the great helps. I solved the Flash content display problem now. It's because I didn't confirm...

Hi guys, I would like to thank all the great helps. I solved the Flash content display problem now. It's because I didn't confirm that the .hex file was actually written in the FLASH and it WAS NOT. I rewrote the .hex file and now everything is ok. Especially thanks to T


Flash.h

Started by joel in TMS320c54x20 years ago

Ok I will be a little more specific with my question, it was late on friday when I aksed the other one and I guess I babbled. ...

Ok I will be a little more specific with my question, it was late on friday when I aksed the other one and I guess I babbled. The flash.h file states that a write to address 0, sector 0 is the address 0xC000 as viewed by the cpu. Is this true? If I write to address 0 sector 1,


Serial Flash for booting of 54x?

Started by Mikhail F in TMS320c54x22 years ago

Hello everyone! Can anyone recommend a FLASH EEPROM for serially booting 5402? I am specifically looking for smallest...

Hello everyone! Can anyone recommend a FLASH EEPROM for serially booting 5402? I am specifically looking for smallest possible size, power consumption in standby mode and price. The size should be about >=32kbits. I am also looking for code examples for serially boot


accessing extended memory

Started by kishoreseera in TMS320c54x18 years ago 1 reply

hi all, I wrote drivers for the onboard flash on tms5402 dsk. For block0 and block 1, Iam able to program and erase flash memory....

hi all, I wrote drivers for the onboard flash on tms5402 dsk. For block0 and block 1, Iam able to program and erase flash memory. but when i run my program to check for the protection of other blocks (2,3,....) my dsk is going out of control. I dont see any changes on the conso


FlashBurn checksum Calculation

Started by Anonymous in TMS320c54x19 years ago

I'm modifying the CCS FlashBurn utility to work on my custom target hardware. So far I've been able to erase the flash and write to...

I'm modifying the CCS FlashBurn utility to work on my custom target hardware. So far I've been able to erase the flash and write to it (after changing the volitile 'c' pointers to call custom assembly routines to address the flash). The problem I have now is that the checksum


using flash memory

Started by deepakthanam in TMS320c54x19 years ago

Hi All I am using the dsk 5402 kit for a digital modulation system.So I want to store 255 floating point sample values of sin ...

Hi All I am using the dsk 5402 kit for a digital modulation system.So I want to store 255 floating point sample values of sin and cos .So how can I store it in flash memory.What modifications needed for the 54x.cmd file to run this programme. Thanking in advance De


To boot the C5409

Started by in TMS320c54x19 years ago

Hi! I have design a board with C5409. It works well with the emulator. But after I burn the program into the on-board flash, it...

Hi! I have design a board with C5409. It works well with the emulator. But after I burn the program into the on-board flash, it couldn't boot from the parallel flash every time powered up.About one out of ten times it can load program and work well. Can you explain why: The power sup


WRITA / READA

Started by Lucy Jordan in TMS320c54x18 years ago 7 replies

I'm trying to program flash addresses above 0xffff using the WRITA and READA instructions. It is not working. Is the timing of the ...

I'm trying to program flash addresses above 0xffff using the WRITA and READA instructions. It is not working. Is the timing of the address bus the same for these instructions as for normal data space writes? Flash programming is fine below 0xffff. The only thing I can think of is tha


Re: Digest Number 788

Started by Micah Caudle in TMS320c54x17 years ago

I think that happens when you try to make CCS load things into external memory while you have the Flash memory enabled instead of...

I think that happens when you try to make CCS load things into external memory while you have the Flash memory enabled instead of the SRAM. For external memory, CCS can only write to SRAM not Flash. But I don't even know if you are using a DSK or what so this may not apply. If


OVLY and Memory Paging

Started by jhlucena in TMS320c54x20 years ago 2 replies

Hello, Is it possible to use the OVLY bit in the PMST register to do swapping of memory pages between the internal memory of a...

Hello, Is it possible to use the OVLY bit in the PMST register to do swapping of memory pages between the internal memory of a C5410 and a flash chip?? The board that I am working with has a flash chip mapped to the same areas as the C5410 memory and I don't have a clue yet on


C5402 DSK memory problem

Started by Georgios Chatzigeorgiou in TMS320c54x20 years ago

I use TI's C5402 DSK and i have the following problem. If my program exceed address 0x4000 then i get a data verification error. I ...

I use TI's C5402 DSK and i have the following problem. If my program exceed address 0x4000 then i get a data verification error. I changed the jumper that enables or disables the FLASH , so that flash is enabled by i still get the same error. Sometimes the program can be downloaded but it


a doubtful question about 5402 dsk bootloader !!

Started by tjuantiangel in TMS320c54x18 years ago 2 replies

from lots of pdfs about 5402 of the web of ti,i found that the bootloader address is from 8000h to ffffh, which make the total...

from lots of pdfs about 5402 of the web of ti,i found that the bootloader address is from 8000h to ffffh, which make the total memoty size is 32k,but my flash is 256K*16,my question is whether my flash wasted? if my program is larger than 32k,how can i do? my english is


Re: Subject: To boot the C5409

Started by Vinodh Rathna N in TMS320c54x19 years ago 1 reply

Date: Fri, 20 Jun 2003 20:48:43 +0800 From: <> Subject: To boot the C5409 Hi! I have design a board with C5409. It works...

Date: Fri, 20 Jun 2003 20:48:43 +0800 From: <> Subject: To boot the C5409 Hi! I have design a board with C5409. It works well with the emulator. But after I burn the program into the on-board flash, it couldn't boot from the parallel flash every time p


Parallel Bootloading the 5402

Started by Yaser Namazi in TMS320c54x18 years ago 1 reply

Hi I have a little problem in bootloading the 5402 in the parallel mode. I'm using a 8-bit wide flash memory for bootloading...

Hi I have a little problem in bootloading the 5402 in the parallel mode. I'm using a 8-bit wide flash memory for bootloading the DSP (5402), but I cannot get any result; could anyone help me with an example of a properly programmed flash memory cintents for bootloading i


c5402 bootloader; DARAM corrupts after starting target code

Started by mauriceambridge in TMS320c54x19 years ago

Hi, I am using a C5402 in my own prototype PCB which includes a 256KWord FLASH & 2 64KWord RAMS. The Flash and Data RAM can be...

Hi, I am using a C5402 in my own prototype PCB which includes a 256KWord FLASH & 2 64KWord RAMS. The Flash and Data RAM can be swapped using an attached CPLD. I have developed the DSP/BIOS source code to the point where I can use hex500 to create a boot table


Regarding DM270

Started by Suyambulingam in TMS320c54x17 years ago 1 reply

Hello all, I am using TMS320DM270 (ARM7 & c54x DSP) chip. I am trying to interface harddrive(20 GB) to the external...

Hello all, I am using TMS320DM270 (ARM7 & c54x DSP) chip. I am trying to interface harddrive(20 GB) to the external memory interface region 1 (Compact flash region) of DM270. DM270 datasheet tells Compact Flash interface doesnt support trueIDE mode.


interfacing 5402 DSP with Flash memory

Started by Anonymous in TMS320c54x20 years ago

We are using a 4 Mb Flash memory in our design. It has been given in the DSP data sheet that only A0-A15 can be connected as data...

We are using a 4 Mb Flash memory in our design. It has been given in the DSP data sheet that only A0-A15 can be connected as data space whereas A16- A19 can be used only as the program space. The code size in our case is nearly 4Mb. But 16 address lines can address 64kb


XF and flash boot

Started by vrnoga2002 in TMS320c54x20 years ago

I've added a single line to my code c code, and now it doesn't boot from flash at all. The original code was fine. The line I've...

I've added a single line to my code c code, and now it doesn't boot from flash at all. The original code was fine. The line I've added is asm (" RSBX 1, 13"); I want to change the general output signal XF to LOW. Is there any problem with this. Thanks,


Security Option on 'C5402

Started by Jean Viljoen in TMS320c54x19 years ago 2 replies

dear group I am developing a standalone application with a 'C5402 DSP and a Flash memory module. How can I protect my code and...

dear group I am developing a standalone application with a 'C5402 DSP and a Flash memory module. How can I protect my code and inhibit other parties from extracting the code from the DSP or flash module? The section on Security Options in the Official Data Sheet of the