C6748 problem of connecting a 16bit flash via EMIFA
Hi,Now the EMIFA of DSP C6748 connects a 16 bit flash in our board for experiment. Our layout is based on the Figure18-8(b) in Technical Reference Manual (SPRUH79A). The ASIZE field in CE2CFG register...
View ArticleDual display in Omap-L138
Does Ti have any evaluation board using omap-L138 with two displays connected LCDC?
View ArticleWhat's the correct NAND datasheet part number on OMAPL138 LCDK?
Hi,The OMAPL138 LCDK schematic has the following Micron NAND part # of MT29F1G08ABCHC:C, however the LCDK BOM lists a different NAND part # MT29F4G16ABADAH4 and with the MT29F1G08ABCHC:C in the 'Value'...
View Articleomapl138. Entering DEEPSLEEP mode by pressing button
Hello,I've got a question - can I transfer OMAP to DEEPSLEEP mode by pressing LCDK button (user 1 or user 2)?I found three ways to enter DEEPSLEEP mode at spruh77a.pdf document. By handshaking...
View ArticleOMAP-L138 undefined instruction exception problem
We have weird problem in our custom board based on OMAP-L138. Basically ARM core randomly jumps to 0xFFFF0004 which is a handler for undefined instruction. After this memory content seen in CCS memory...
View ArticleAM1808 AIS bootloader SPI clock frequency
Hi,I boot my custom AM1808 board via SPI1 FLASH using AIS just as per the LogicPD board. It works fine.However, now my program has got quite large, the time to copy from FLASH to DDR is significant....
View ArticleAM1808 / Unused pin connections for USB0
Hello,We are using AM1808 Rev 0.2 in our new design. USB1 port of the AM1808 is used in design but USB0 port is unused.Here, datasheet does not specify anything what to do with unused pins of the USB0...
View ArticleUSB mass storage problem
Hi, I'm working in a project that should realize a usb mass storage device usingOMAPL138 usb2.0 module. I've designed two kind of board with the same schematic but different PCB. One of them...
View Articleam1707 mcasp1 edma3 problems
hi !I am using AM1808_StarterWare_1_00_03_03 examples\mcasp\ sources for developmentfor am1707 chip (becouse it have two mcasps)For mcasp0 and with edma3 it works very goodBut i want to move it on...
View ArticleMissing mDDR routing constraint?
HiThis question has been asked before but I cannot find a satisfactory answer on the forum.What is the maximum skew between the DQS0 and DQS1 nets (and by definition, the corresponding routing...
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OMAPL138 u-boot SD speed
Hi e2e experts,I followed the steps http://processors.wiki.ti.com/index.php/All_This_For_1_Second_Boot to speed up the boot procedure for my OMAPL138 board.It was found that the limitation is mainly...
View ArticleInterrupt not working on StarterWare and QuickStartOMAPL1x_rCSL of OMAP-L138
Hi everyone, I'm trying to compile and test one of example codes using interrupt in StarterWare and QuickStartOMAPL1x_rCSL. but any codes in this projects does not working in my Logic PD's OMAP-L138...
View ArticleC674x efficient FFT
Hello, I'm implementing FFT on the C6742 dsp, and performance is very critical.I read carefully:[1] http://processors.wiki.ti.com/index.php/Efficient_FFT_Computation_of_Real_Input[2]...
View ArticleC6746 McASP to support 512 TDM channels via McASP
Hi Champs,We have a customer who needs 512 channels of TDM voice into the DSP C674x. Have we or any customer ever succeeded in using all the 16 serialisers and is able to Rx 512 channels???Has the EDMA...
View ArticleEMIFB Memory Error Interrupt
HiI have a quetion about EMIFB(SDRAM) Interrupt in C6747/L137.As DSP interrupt Map, C6747 can recieve "EMIFB Memory Error Interrupt"(EMIFB_INT: Event 60).Please tel me how this interrupt occur.For...
View ArticleOMAPL137HT Silicon Version 2.0 or 2.1 regarding Errata Advisory 2.0.20...
Hi,We are working with part # OMAPL137HTBPTPH-YF-1BA1TZW G4, in which the nomenclature on the Datasheet indicates that 'B' indicates silicon version 2.0 or 2.1, can it please be clarified what specific...
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NAND Read Errors Due to EDMA Use
Hello,We are having issues with corrupted NAND reads. In our setup we have an FPGA (Xilinx xc61x16) and a NAND chip (MT29F2G08) connected to the L138 EMIF bus. We observe NAND read errors when reading...
View ArticleCppuTest for c674
Hello,I am using Code Composer Studio v5.2 and I have CppuTest running with default CPP_PLATFORM Gcc. if possible, how do I make my CppuTest project to build using c674x compiler so that I can build my...
View ArticleL138 LCDK - u-boot compilation errors with: redefinition of typedef 'uint'
I am trying to rebuild u-boot for the OMAP L-138 LCDK eval board. As a starting point, I have downloaded ti-sdk-omapl138-lcdk-01.00.00.bz2, and extracted the enclosed...
View ArticleOMAPL137 EVM: dumb question EMIFA Nand Flash driver
Hi,I'm currently using a OMAPL137 EVM from Spectrum, working with a 8-bit nand flash(29F4G08ABADA) from Micron. The OMAPL137 is working in MontaVista Linux. The project I'm working for will using the...
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