OMAP-L138 – EMIFA Turnaround phase implementation
Hello,OMAP-L138 EMIFA controller executes Turnaround phase prior to the operation. Try as I may I cannot figure what the rationale behind is, the more so that Technical Reference Manual combines TA...
View ArticleMMCSD Code Problem with UI Board of OMAPL138 EVM
Hi,,I have RTFS based MMCSD code for C6748 which I am using on OMAPL138 EVM with OMAPL138 SOM. It doesn't work when UI board is connected to the EVM and says MMC/SD card not present but as soon as I...
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Ompl138 DMA EMIFA
Hi： Recently, I am finding the reason why omapl138 communicate with the NAND chip of MT29F16G08A is so slowly, When I used the EMIFA port to read or write with the NAND,I found that when i read a...
View ArticleMatching HexAIS output to AISgen output
Looking for some assistance generating AIS binary files using the HexAIS command line utility.I'm working on automating the build process for an OMAP L138 based system. Currently, I use the AISgen...
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Powering AM1806 and MT9P031 with TPS65070
Hi,I have question about powering AM1806 and MT9P031 with TPS65070. My connection is show on the image below. As you can see I'm using AC, USB and BAT input for making system voltages.My plan is to...
View ArticleOMAP L138 Memmory Utilization
Hello,I am new to this OMAP L138 controller and currently working on DSP side of OMAP L138 (w/o using any SYSBIOS or DSPLINK).I want to know about the memory utilization (L2D,L1P and L1D). [Currently I...
View ArticleC674x Circular buffer addressing
Hi, The C55x DSP seems to support a circular addressing in hardware. Does the C674x have such features as well? The datasheet mentions 'Hardware Support for Module Loop Operation', but it seems that...
View ArticleOMAPL138B Hi REL tem (SM) - will it run at 456MHz ?
Customer is currently using the OMAPL138BZWTD4 in one of their programs. I have a question in regards to the Hi Reliability version of this part (with the SM prefix). We’ve found that the SM series is...
View ArticleOMAPL138BZWTD4 RoHS solder profile ?
OMAPL138BZWTD4 Can you provide a solder profile and solderability test data for the RoHS solder process for this part?I called the TI technical line and they indicated they do not perform solderability...
View ArticlePRU: signal falls after 10 nanoseconds
Hello,We work with PRU modules of OmapL138 processor. We wrote a program for PRU using these pins:PRU0_R30[21]PRU0_R30[23]PRU0_R30[29]PRU0_R30[28]PRU0_R30[27]PRU0_R30[26]and it work well, but when we...
View ArticleAtomic Read-Modify-Write OpCode C674x-Arm9
Hi,I need to do shared resource managment between the two cores on the omapl138 (no linux and no Dspbios environment)and I'd like to know if there is any kind of atomic read-modify-write opcode...
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converting Tconf script to RTSC configuration script file
I am reading "Migrating a DSP/BIOS 5 application to SYS/BIOS 6". I want to how to convert a Tconf script to a RTSC configuration script. chapter 2.4I downloaded spraas7.I made folder "C:\Documents and...
View ArticleEnable GPIO pin, AM1808
Hello,I'm using Linux 03.20.00.14 on SBC8018 development board (AM1808) and I need to enable one GPIO (44th) pin.I would like to use "uP_SPI1_ENAN" pin (11th pin on J42 expasion board) as GPIO. I added...
View ArticleProblems while running facedetect demo
Hi TI Support team,I have just bought the OMAPL138 LCDK and I’m trying to run the facedetect demo. Unfortunately it is not working and any kind of help would be very appreciated.I have installed...
View ArticleWhat's the criteria for a valid boot image?
I'm booting an AM1806 from an AIS-signed copy of U-Boot from NAND. The bootloader's application report (SPRAB41D) mentions the following change in the latest ROM revision (d800k008):In the Update to...
View Articlebooting of am1808 from NAND flash
Hello Dear I am using AM1808 for my applicationat present I am booting it from mmc and it is working finenow I want to boot it from on board NAND flashcan anybody help me and give me the bootargs to be...
View ArticlePWM on OMAL-l137 not generating output.
Using the PWM from the DSP is giving me Gray hair, I am usin the examples from the starter kit and now I have given up can't think of any other things to try.It is a simple PWM with asymetrical output...
View ArticleSimple McBSP application on C674x
Hi,after getting McASP working, I started studying McBSP and wanted to see a clock signal on the CLKR pin. I've done following:#define PINMUX_MCBSP1_REG (1)#define PINMUX_MCBSP1_MASK...
View ArticleSetup and hold time of the emif (omap l138b)
Hi I need to find the timing parameters, such as the setup time and hold time, in order to configure the registers of the emif for asynchronous read/write. My doubt is whether I need to use the...
View ArticlePower off for Zoom™ OMAP-L138 EVM - Logic PD
Hello,We use Zoom™ OMAP-L138 EVM - Logic PD and we can make power switch off. The linux command "poweroff" don't make power off. Why? Can I make power off by on board key?
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