Forums Search for: SDRAM
SDRAM in Our Custom board is unable to write...
Hi! I have custom Bf532 board which is having SDRAM MT48LC16M8A2 According to the datasheet i have written SDRAM regisers.All the previous...
Hi! I have custom Bf532 board which is having SDRAM MT48LC16M8A2 According to the datasheet i have written SDRAM regisers.All the previous boards are working properly...But, we have newly soldered one board...in that if i want to write any data it is giving the following error and asking to disconnect.... "Data verification is failed at address :0x00000000 Expected 0x22 ,Found 0x33 Unable...
sdram - write operation takes different cycles for execution for each emu-build
I have a small piece of code which writes data into sdram memory in a loop. I always reinitialize the CYCLES as zero before this operation and...
I have a small piece of code which writes data into sdram memory in a loop. I always reinitialize the CYCLES as zero before this operation and then right after the write loop, I store the CYCLES value into memory. If the data buffer which I am accessing is in L1 memory, it gives the same CYCLE value for every re-build and re-run, but its never consistent for SDRAM. Working on EZ-KIT....
Query Regarding TS201-SDRAM controlling process
Hai all, I am santosh working on Tider sharc 201 processor. currently my work is testing of the board developed using TS201s and with...
Hai all, I am santosh working on Tider sharc 201 processor. currently my work is testing of the board developed using TS201s and with some components.In this we r testing the controlling of SDRAM(which is micron company's one)through tiger sharc processor. what we done is,we enable SYSCON and SDRCON registers for SDRAM enable then We r not getting how to test the data read w...
External memory interfacing with TS201
hi Iam trying to interface TS201 with 16 bit external memory peripheral. in TS201 Ezkit they explained for SDRAM and EPROM interfacing. ...
hi Iam trying to interface TS201 with 16 bit external memory peripheral. in TS201 Ezkit they explained for SDRAM and EPROM interfacing. for EPROM they connected from A0-A18 address lines and D0-D7 data bus directly. and for SDRAM they configured A1 through A31 of TS201 and D0-D31 and D32-D63 data bus connected to SDRAM. so for 16bit data bus(D0-D15) and 12bit address(A0-A11) c...
bf 539 sdram
hello i have a problem to source out pieces of my code onto the sdram. (with #pragma section ("sdram")) i use a mistral map3 board and vdk...
hello i have a problem to source out pieces of my code onto the sdram. (with #pragma section ("sdram")) i use a mistral map3 board and vdk 4.5 i always get errors or warnings for example: external memory is disabled for this region. or the address is not found at runtime please help me thank you
Using sdram in VDK with TigerSHARC
Hi, Im trying to understand how to use the 32 megs of sdram on the TS201 Ez-kit under VDK. There does not seem to exist any examples...
Hi, Im trying to understand how to use the 32 megs of sdram on the TS201 Ez-kit under VDK. There does not seem to exist any examples and I am reluctant to start hacking the .ldf file myself without help. Another question is where to initiate the sdram. An init thread? Is there anyone out there that has done this before? Thanks in advance for
SDRAM for 65L
Hi group, from other hardware producers I have heard that not every type of SDRAM works on the 65L (maybe due to some of its...
Hi group, from other hardware producers I have heard that not every type of SDRAM works on the 65L (maybe due to some of its errata regarding the SDRAM interface). We have had experience with two types: one works, the other doesn't. The one which doesn't work is a
AW: 21065L and SDRAM
OK, I'll throw some light:) We have a board with shared distributed memory. There are (among others) two clusters of two...
OK, I'll throw some light:) We have a board with shared distributed memory. There are (among others) two clusters of two 21065L, each cluster has 4Mx32bit SDRAM mapped to each processor's external memory bank 1. SDRAM is accessed using Memory Select Line 1. Both p
Problem with SDRAM initialisation on EPROM boot for EZ_KIT 21065L
Good morning, I am developping on an EZ_KIT 21065L evaluation board and I have some trouble with SDRAM init. When I load the...
Good morning, I am developping on an EZ_KIT 21065L evaluation board and I have some trouble with SDRAM init. When I load the program with ICE Emulator or serial port, it works but few values in function table in SDRAM are wrong. When I load in flash EPROM, It doesn't wor
is my EZ-KIT SDRAM busted?
hi folks, I am playing around with the Bf533 EZ-KIT for the first time, and I'm trying to access the SDRAM. If I read the...
hi folks, I am playing around with the Bf533 EZ-KIT for the first time, and I'm trying to access the SDRAM. If I read the docs correctly, I ought to be able to point my debugger directly at 0x0000 and access the block of SDRAM. However, I can't modify any of
help me tigersharc sdram dma ee143
hi,all i am using visualdsp 2.0 for tigersharc. when i try the provided code of ee143 (dma sdram in c code),i find out i...
hi,all i am using visualdsp 2.0 for tigersharc. when i try the provided code of ee143 (dma sdram in c code),i find out i can write to sdram,but can't get the word back. the word write to "sdram_data" is right. but the back data in "data
How to design large SDRAM board with tigersharc?
Dear members, My question is how to use large SDRAM, for example 1GB, in tigersharc based DSP board. It seems that Tigersharc only...
Dear members, My question is how to use large SDRAM, for example 1GB, in tigersharc based DSP board. It seems that Tigersharc only supports 64MB SDRAM at most. Liang
HPPCI jtag emulator can not download code to sdram directly?
I have to modify the sdram controller manully every time before I download program to sdram using HPPCI JTAG emulator. ...
I have to modify the sdram controller manully every time before I download program to sdram using HPPCI JTAG emulator. How can I let the visualDSP do it automatically to me? thank you very much!
BF532 memdma error and sdram access problem
I use blackfin 532. I find memdma is difficult to use, especially when externer sdram as destination. For example, I use...
I use blackfin 532. I find memdma is difficult to use, especially when externer sdram as destination. For example, I use descriptor-based memdma, with the wdsize set to 32, L1 sram to sdram. the dma seems work, but occasionally locks up, with DMA_RUN flag not cleared. My
writing to sdram in a ts101 rev 1.3 board
Hi friends! i'm having a relatiively trivial problem of writing a long data to sdram of a ts101 rev1.3 board using DMA or otherwise. If...
Hi friends! i'm having a relatiively trivial problem of writing a long data to sdram of a ts101 rev1.3 board using DMA or otherwise. If data length is equal to 512 words(page boundary), there is no problem, but for larger data, it is not happening properly... data gets written but not correctely... specifically, write to the last page gets repeated on the previous pages also.i ha
problems when loading SDRAM.
hello, i am trying to load a matrix into the SDRAM of a Tiger Sharc TS101, using memory -> fill, but it loads completely wrong values, ...
hello, i am trying to load a matrix into the SDRAM of a Tiger Sharc TS101, using memory -> fill, but it loads completely wrong values, without any apparent sense. does anybody know if there is any option to set to get it right? besides, if i load the matrix when simulating, everything works fine... thanx everybody... daniele
BDMA
Hello , I want to connect the External SDRAM of size 8MB to the ADSP 2185 through the BDMA. Can anybody tell me how to modifed the LDF...
Hello , I want to connect the External SDRAM of size 8MB to the ADSP 2185 through the BDMA. Can anybody tell me how to modifed the LDF file or If you have the modified LDF file please forward to me or any related information how to connect the SDRAM and how to modified the LDF file plz forward to me Chandrakant Wavelet Group Pune
how should i read/write external memory
Hi steve, If i want to update the pointers which are stored at External memory (SDRAM) can i update directly or i need to configure the...
Hi steve, If i want to update the pointers which are stored at External memory (SDRAM) can i update directly or i need to configure the wait register. Actually in my program when ever i am updating the variables which are stored at the external memory(SDRAM) its not not assigning the pointers correctly. as i assign i can see in expression window when i step one
FW: Boot form Flash to SDRAM with VDK
-----Original Message----- From: Hemant Sadhwani Sent: Tuesday, February 22, 2005 8:49 PM To: 'Mike Rosing' Subject:...
-----Original Message----- From: Hemant Sadhwani Sent: Tuesday, February 22, 2005 8:49 PM To: 'Mike Rosing' Subject: RE: [adsp] Boot form Flash to SDRAM with VDK Hello Mike, Yes you were right in your assumption as it was Blackfin. At present
Boot form Flash to SDRAM with VDK
Hi, I'm struggling to boot from FLASH and load the program code into SDRAM and data code into L1 data RAM and configure...
Hi, I'm struggling to boot from FLASH and load the program code into SDRAM and data code into L1 data RAM and configure L1 instruction memory as a cache. I do have an example which is go it from the Analog Devices site i.e. "application Code with Application






