RTC will sometimes miss waking from hibernate
I am using the LX4F120H5QRF based Stellaris launchpad development board to prototype a data-logger at this stage the only external device that is being communicated to is an SD card via SPI. I am...
View ArticleCCS not compiling certain lines in program
While writing a program for an MSP430G2432 in CCS Version: 5.3.0.00090 I get strange behaviour of the compiler: If I declare a local variable in one of the subroutines, sometimes the compiler totally...
View ArticleHow to use the internal On-Chip ROM of c5515
Hello,A C5515 has 128K of internal On-chip ROM why its not used ,data sheet says its included with a BOOTLOADER i dont think the bootloader is that heavy why TI is wasting the large memory by the way...
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schematic feedback
Could I get some feedback on my attached schematic? I'm trying to layout a small dev board that will support USB and USB Bootstrap loading. I've gone through as much material as I can find to gain...
View ArticleSPI + NAND + ubifs = Kernel panic
Hello everyone,I bought a beaglebone to experiment with the AM335x platform. I've created a cape with NAND and SPI. Both are working, after i've edited the mux.c file in uboot directory.I've written...
View ArticleLM49450 Digital Input leakage Current and Default Register settings
Can someone from TI please provide the leakage current for all Digital Inputs (ISS and I2C)?Is it assumed that the "DEFAULT" register settings are the settings after every Power up (Power cycle)?Then...
View ArticleTLV320AIC3254 - miniDSP question and AD preamp offset issue
Hello.I am experimenting with the TLV320AIC3254 evaluation kit. My target goal is to produce a low power shortwave radio, where most of the processing is done by the 3254. Currently I am having trouble...
View Articlewl1271 CRDA problem on TI814x
Hi all, When we try to connect wl1271 wifi device to our wifi router fails, following are captured logwe are getting this # modprobe wl12xx_sdio[ 16.970000] Compat-wireless backport release:...
View ArticleLP38798-ADJ
1)The noise performance is for VDO >= 1V. Please check if they have any info on noise degradation Vs VDO. i.e. : is noise performance degrade for VDO = 0.3V2) Is it no need for Cff parallel to...
View ArticleKernel panic on Sitara EVM based custom board
We have made a custom board based on the AM335X sitara EVM design. We have tried our maximum to use the same components used in the reference design except the MPU for which we use Sitara AM3354. It...
View ArticleUse 2GB DDR on 4AJ.2.5P2 source
Use 2GB DDR on 4AJ.2.5P2 sourceHi Everyone.We use 2GB DDR devices for our OMAP4470 CPU, and use OMAP4AJ.2.5P2 version system. kernel version:/kernel/android-3.4android version:android4.2I changed...
View ArticleBoot process
Hi , I am working on cortex A8 board. In this embedded board the first boot option set to NAND and here i didn't find and hardware setting to make other devices to boot. and other twist is the...
View ArticleDM8148 DDR3 533 MHz and OPP
Hi,We have a custom board with the DM8148 CYE2 and we want to run the DDR3 @ 533 MHz.As far as I get it from the datasheet DDR3 @ 533 MHz requires to run the core domain at OPP166, which in turn...
View ArticleHow to use CMATMPY intrinsic
Hi,I'd like to know how to use the cmatmpy intrinsic.I read in "TMS320C6000 Optimizing Compiler v7.4" that the intrinsic is __x128_t_cmatmpy (long long src1, __x128_t src2);I'm really new at this and I...
View ArticleCustomer's I2C Question
Hi,I have a customer asking the following question, since I'm a analog FAE, I need the assistance of the ARM processor forum."I am trying to read two bytes from the I2C_DATA register. Our uP is very,...
View ArticleOAD version and ID gotcha
Good day,I was testing some OAD functionality, and I wanted to bump the version of the SimpleBLEPeripheral so I could be sure it detected the change properly. The most obvious place to change this is...
View Articletype of Spread-Spectrum Clock modulation of CDCE949.
Dear All, Please answer our cutomer's inquiry. Our customer would like to knowabout type of Spread-Spectrum Clock modulation of CDCE949. ie ) Sawtooth Shape , Hershey Shape , Sinusoidal Shape .and...
View ArticleHow to change username & password of linux kernel
Hai I'm sekra,i'm using Beagleboard xm under linux OS.In that,i'm using TI's rootfs for the 2nd partition.It has username:rootI want to modify my username & apssword how do i change that,which file...
View Articlereturning from SVC handler, need help
Hey guys,I'm new to the Hercules series, and I'm trying to port some of my Cortex-M3 code to the Hercules. Specifically I'm trying to implement a critical section on the RM42, where IRQ interrupts are...
View ArticleMicroSD driver for beagleboard-xm getting stuck
Hi,I am following the steps given in dm3730_technical_reference manual ..In Command Transfer Flow With Polling as for the document i am checking while ((mmc_base.pstate & 1) == 1); /*this bit...
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