AD535 | BIOS | Booting | Bootloader | C621 | C6211 | C6415 | C671 | C6711 | C6711DSK | C6713 | CCS | Chassaing | COFF | DAT | DM64 | DM642 | DMA | DSK671 | DSK6711 | EDM | EDMA | EMIF | Emulator | EVM | EVM620 | FFT | FIR | GPIO | Halting | HPI | HWI | IDK | JTAG | LDB | LDH | LDW | Linker | LMS | LOG_printf | Matlab | McBSP | MEM_alloc | MIPS | PCI | PCM3003 | Pipeline | Profiling | QDM | Reset | ROM | RTDX | Sampling | SDRAM | Stack | TEB | THS1206 | TMS320C621 | TMS320C6416 | TMS320C6711 | TMS320C6713 | UART | Vector Table | XBUS | XDS560

tms320c6203 access sdram error.

Hi All, I have a board. one tms320c6203,one sdram(MT48LC4M32B2TG-7 IT),dual-ram.When production date of sdram is 0608,DSP access sdram ok.When poduction date of sdram is 0704,DSP...

Problem in SDRAM write & read back

Hi, After overcome of all the hardware software related problems, just i was facing from last few weeks, i got a new problem regarding SDRAM today, i mounted SDRAM on my master...

16-bit SDRAM for C6722   [6 Articles]

Hi I am using the C6722 with one 16-bit SDRAM. Does that mean I can only perform 16-bits read and write to the SDRAM ? I am trying to load some 32-bits pre-defined variables fr...

SDRAM EMIF settings   [7 Articles]

We are having quite a bit of trouble getting our SDRAM to work properly with the C6711. We are using Micron MT48LC8M16A2 chips, and none of our settings seems ...

SDRAM   [7 Articles]

Hi, Processor: 6211, Big Endian Emulator: XDS510PP Plus Customized Target Board, having SDRAM as the memory. I am facing the problem with SDRAM communication. I am not gettin...

SDRAM on 6713DSK

Hi, I must write 4M samples to SDRAM on this board and I'm not sure how to write it. Generally in .cmd file we've got sections and there is for example: ".far > BMEM", so i th...

SDRAM interface problem   [3 Articles]

First of all thanks for the suggestions. Here are few more observations about the problem. When SDRAM is enabled and refresh is happening, there is no problem with UART un...

Interfacing SDRAM DIMM module to DM642 over EMIF   [2 Articles]

Hello We've successfully built a board based on DM642 and we've interfaced an SDRAM DIMM module to DM642 over EMIF (MTYPE: 64 bit SDRAM). Has anyone tried this before. I'd like ...

How to set the link command file

Hi, DSP friends I find difficult to set the link command file. Anybody can give me some description or tutorial for understanding .cmd file. For example , I have a ...

SDRAM

My SDRAM is working correctly with BIOS file, particularly to say, SDRAM is working only with LOG_printf option and not with printf one. While the TI-Strater Kit is working with ...

did anyone has the experience.   [2 Articles]

did anyone has the experience that dsp extended sdram,but sdram no response,the data in the sdram no change when dsp write or read it,and how did you resolve it?Could you share ...

How to interface 32-bit-width SDRAM with C6205   [2 Articles]

I have refered to SPRA433D(TMS320C6000 EMIF-to-External SDRAM Interface.pdf). It's said that C620x/C670x' can interface with 1 Meg x 32 x 4 banks SDRAM .While dealing wit...

Reading from SDRAM in c6711DSK

Hello, I'm a student doing a project (an MP3 decoder) on a dsk6711 TI Board with the audio daughtercard A/D converter. I'm having problems with loadin...

SDRAM configuration/timings

Hi all, i'm configuring SDRAM on c6416 dsk, I'm not having problems (not yet ;) ) but i'd like to ask some questions: 1) what happens if i make a mistake? I mean is there the po...

One or two SDRAM chips for a DM640 32-bit memory implementation?   [3 Articles]

Hi all, Reference designs with a 32-bit wide EMIF usually implement the solution with two SDRAM chips. Is there any particular reason why a single 32-bit wide...

How to place .lib into SDRAM ??

Hello, First:is there any possibility to put a whole libryry e.g. rts6701.lib into a section in SDRAM, whereas the .text-section remains in IRAM ??? or how can I pl...

Use of IRAM and SDRAM in DSK6711   [2 Articles]

Hi everyone, I am developing a real time program with my DSK6711. IRAM is not large enough to locate all my code and data. Therefore I have to make use of SDRAM,...

fread into SDRAM   [10 Articles]

Hi guys, I'm using DSK6713 to read a data(WAV) file and produce the audio via aic23. The problem i facing is that the data file is too big to store in IRAM. I'm trying to read t...

CACHE in 6713   [2 Articles]

Hi all I wanted all data in the internal memory and moved the .text section and .data section to SDRAM which in CE0 space. Now when i declared a global buffer it got ...

Problem in loading the code to SDRAM...   [3 Articles]

Hello all, I am using CCS2.0 for C6211 based board(our own board) and Spectrum Digital Drivers for XDS510pp PLUS Emulator. I am facing Problem in downl...

EDMA data cache problem   [13 Articles]

Folks, I have a real big problem with EDMA and cache coherency. Board :6416 Spectrum digital Here's what I am doing. 1) Transfer data from SDRAM to ISRAM. 2) Work with data ...

SDRAM on 6713DSK   [2 Articles]

Hi, Simple question: how to send something to SDRAM on DSK6713 board? --nstn-- ...

Memory allocation in C6711

Hello. How do I allocate memory in the SDRAM? Is this example correct: extern far Int SDRAM; void main(void) { float *p1,*p2; p1=(float *) MEM_al...

flash burn usage

hi all, i want to use flash burn for stand alone application of dsk 6711. i have a example program(FlashBlink) that program flash of dsp and run stand alone. in my progr...

using the RS 232 port and SDRAM

hi, I have written a DSP code that accepts data from a file on the PC. However, now i want my code to take data from the SDRAM. The data in the SDRAM will come via the RS 232 port....

SDRAM corruption   [3 Articles]

Working on bringing up a TMS320DM6446 custom board. SDRAM is MT47H64M16HR-3 which are the new versions of the MT47H64M16BT-37E chips on the TI DaVinci Eval boards. When we per...

SDRAM Bandwidth   [2 Articles]

Hi all, I'm new in DSP. Could you please help me in finding the max SDRAM bandwidth in a C6415 DSP? Something else, I want to connect my DSP to a FPGA through EMIFA and use EMI...

SDRAM Interface on C6416 DSK

Hi all,   I believe many of you have been working with the C6416 DSK which has a 16Mb SDRAM. I want to know the width of the SDRAM interface on the DSK, is it 3...

Slow Runing in SDRAM   [2 Articles]

Hi all I am using a DM640 based board. when I run my simple program(LED Blink) in SDRAM(MT48LC4M32B2 16Mbyte) it is around 100 times slower than when in internal SRAM(l2...

DM642 bootloading

Hi,  We are using a DM641-based board for our application. We are using EMIF-A ROM bootloading for booting from Flash memory. On boot-up, we are copying code from the NOR Flash in ...

SDRAM doesn't work with c6416

hi,all.I connect c6416 EMIFB(the clock is ECLKOUT1, 50MHZ) with SDRAM MT48LC4M16A2(7.5ns).The question is I cann't read or write the sdram absolutely.the data in the address 0x6...

SDRAM Solved

Hi to all... My SDRAM is now working... Reason of working now is as follows. I was implementing the Switching using the Digital Switch IC MT8980, that I had tested earlier to t...

C6711 with SDRAM and CL=2   [2 Articles]

Hi In an attempt to squeeze a little more performance out of our C6711 design, I'd like to try running the SDRAM (Samsung 2Mx32) with a CAS Latency (CL) of 2 ...

'C6205 SDRAM timing

The TMS320C6205GHK200 data sheet (SPRS106E) shows a 3ns minimum hold requirement for the EDx during DSP reads from SDRAM. The 100 to 143 MHz SDRAMs that I have been able to...

Program is slow in SDRAM

Hi all I am using a DM640 based board. when I run my simple program(LED Blink) in SDRAM(MT48LC4M32B2 16Mbyte) it is around 100 times slower than when in internal SRAM(l2...

SDRAM Interface problem   [5 Articles]

Hi, this may be board related problem but i was clue less on this. needed help. I am using 6711, code running internally. CE0 space is used for SDRAM, CE1 for Flash, CE2...

SDRAM   [4 Articles]

Hi, everyone. I have problem when trying to acces the SDRAM which is provide by the DSKBoard. I am using DSKBoard 6711 rev.2 which have two SDRAM Chip from Micron M...

DM642 32-bit access to SDRAM other 32-bits not used

Just wondering about a design I recently saw which had a DM642 interfaced to SDRAM using a 32-bit wide data bus. The SDRAM chip only has a 32-bit wide bus and the other 32 bits of...

how can i allocate a heap in SDRAM using .cdb file   [14 Articles]

hello! i'm using TMS320C6416 board doing a project which has to use so much sapce, so ISRAM may not be enough, then i use the SDRAM, but i'm just using the .cdb file to configure ...