MPC to protect DDR
I have a project (OMAP L138) that uses theDSPandARMsimultaneous.TheDDRis sharedby bothprocessorsand protectedbyMPU.It is also possible to configure the MPC module in the DSP BIOS to prevent possible...
View ArticleAM1808 PRU SoftUART
Hi,We are using AM1808 in my new design and we are planning to use two SoftUART through PRU0. Here, we know that McASP pins shall be used for PRU implementation but we would like to know which AXR pin...
View ArticleOMAP-L138 SATA without cable.
Hi,I am looking to use the SATA port of the L138 with an embedded mSATA SSD module. Due to space constraints, I would like to eliminate the SATA cable and route directly from the L138 to the mSATA...
View ArticleClik here to view.
OMAPL138 kernel error
hi： There is an error when my board is running in 372MHz,but my omapl138 support 456Mhz.when the error occurs ,the print like this.what is wrong with my system?thanks
View ArticleRESETOUT deassertion to first instruction fetch from boot device
Question about the boot sequence on the OMAP L138.Figure 5-4 on the datasheet shows that after a POR, RESETOUT gets deasserted 6169 cycles after RESET is deasserted and the boot pins latched. On a...
View ArticleSFH tool
I am trying to flash a custom board with the sfh utility. The sfh utility was haging waiting for the BOOTUBL message. I tried moving from version 03.21.00.04 of the flash utility to version 2.40. I...
View ArticleDoes MCSDK support OmapL138 SOM?
I have spent a significant amount of time developing on the OMAP-L138 SOM (http://www.logicpd.com/products/system-on-modules/omap-l138-som-m1/), and would like to begin using the new multicore software...
View ArticleI2c timeout error on OMAP-L1XX
Dear Sir/Madam , I'm trying to interface a I2C based CMOS camera to OMAPL1xx.I'm using the following settingsI2C Serial Clock 400KhzI2C Slave address is 7 bit modeI'm experiencing a time out error,...
View Article[OMAPL138] Problems with loading the SPI writer file on ARM core
Hi,I am still struggling with the board. Now I am trying to load the SPI writer file (spi_writer.out) on ARM core. While doing this in CCS v4, I get error:"Failed to load the program X on target Y....
View Articledsp_gen_fir.
Hi:I was goint through the C implementation of the dsplib function dsp_gen_fir. I want to modify it for 40 bit accumulation instead of 32 bit.Below is a snippet from the C code. My first question is...
View ArticleWatchdog in OMAP-L138
I am trying to use WD in order to cause software reset. The following init sequence is used:TMR1->TGCR = 0x0B;TMR1->PRD12 = 10000;TMR1->WDTCR = 0xA5C64000;TMR1->WDTCR =...
View Article[C6748] query about DVDD18 pull up to 2.7V
My customer reported that DVDD18 went up to 2.7V after replacing C6748 from ZWT package to ZCE package. When ZWT package was used, this issue was not found. tps65023 is used for pmic....
View ArticleInternal pull-down register value
I can't find it in datasheet.Are there any data ?I want to know internal pull-up/down register value and the accuracy for GPIO pins.
View ArticleEmbedded coder for OMAPL138
hi!I want to use Embedded coder for OMAP L-138 Experimenters kit with MATLAB 2012a. But when I tried to create theTarget Preference block in 'Initialization Configuration Parameter' I am able to find...
View ArticleOMAPL138 DSP core missing double precision
Hi everyone, I found a precision missing problem when i was using OMAPL138's DSP core(C6748). Two examples:1. When i define a long type global variable like "long Data = 0x0706050403020100;", only...
View ArticleVLIB truncation problems
Hello all,I'm using VLIB c674x 3.0.0.7 over Omap L138 (C6748 DSP)."VLIB_conv_7x7_i8_c8s" accepts image width in a "Short" type, which means that the maximum number of pixels the image could be is...
View ArticleCannot boot from flash
Hi,I am using document as example: http://software-dl.ti.com/trainingTTO/trainingTTO_public_sw/bios/BIOS_14b_Flash.pdfI am using the following:Board: EVMC6748 (I am using the TMS320C6748 DSP).I am...
View ArticleClik here to view.
AM1808 uPP peripheral send wrong data after channel reconfiguration
In our design we use AM1808 and FPGA. FPGA is configured and data are transferred through uPP peripheral. We use Linux as operating system, and uPP driver based on TI's provided BIOS/CSL driver.uPP...
View ArticleIs there any maximum time spec b/w 1.8V and 3.3V supply ramps on C6742?
Hi Champs,Could you please let me know if there is any spec maximum time spec b/w 1.8V and 3.3V supply ramps on C6742? Thanks in advance for your cooperation.Best regards,j-breeze
View ArticleI cannot follow OMAPL138 on-line example
Hi,I installed CCS V5.5 on Ubuntu. Then, I installed MCSDK OMAP L138, toolchain. When I check the following link:http://processors.wiki.ti.com/index.php/MCSDK_OMAPL138_User_Guide_Chapter_ExploringI do...
View Article