U-boot prompt does not show in based-OMAPL137 Spectrum Digital EVM
Hi,My R+D group is working with based-OMAPL137 EVM (Spectrum digital RevH). Because of some problems, we had to flash the board, using the "DaVinci Serial boot and Flashing" software, allocated here...
View ArticleReverse polarity protection options.
Wish to protect eval boards tested with various switch mode supplies 15 to 20vdc and up to 5.0amps. Each board utilizes a pair of TPA3123 and one TL074CDR set up to produce approx 20w/ch stereo and...
View ArticleSchematics of TAS3204 EVM Board
Dear TI community,I would like to ask if it’s possible for me to get the schematic drawings and PCB layout of the TAS3204 evaluation module. I would like to make a double check with my own design of a...
View ArticleUse 3.0v as C5505 digital IO supply voltage DVdd
Hi,Does anyone know if it would be OK to use 3.0V as the C5505 digital IO supply voltage (DVdd)? According to the 5505 datasheet, only 3.3V, 2.8V, 2.5V and 1.8V are supported for the digital IO supply...
View ArticleStellaris Launchpad Manufacturing Defect
Hi,I used one of my Launchpads for the first time last week. As I plugged the micro USB cable in for the second or third time, the connector tore off along with some traces. Examination of the...
View ArticleBQ 24073 clarification
We are validating a 24073 design. It works fine but I have a few questions:1) We selected too low a value for the charge timer resistor R_tmr versus the precharge time of the battery. With a deeply...
View Articlespectrum analysis using cc2541
Hello everyone,I want to use cc2541 for analyzing the spectrum in 2.4GHz frequency. so can I use Rx/Tx port for spectrum analysis or it is reserved only for BLE. Sandy
View ArticleDoes signal attenuation depend on channel, specifically for CC2420?
Hi everyone,Consider a link from a sender to a receiver, both are using CC2420, does the signal attenuation along the link change if the channel used changes, for instance, from channel 26 to 19? If...
View ArticleWriting I2C Slave Address Using MSP430Ware Driver Library
I am using an MSP430F5438 as an I2C master and trying to write the slave address of another device, but without sending any data bytes, and without sending a stop condition. I would expect 7 address...
View ArticleWriting I2C Slave Address as Master Using MSP430Ware Driver Library
I am using an MSP430F5438 as an I2C master and trying to write the slave address of another device, but without sending any data bytes, and without sending a stop condition. I would expect 7 address...
View ArticleIs there a limit to the number of LOG_printf() calls in a project?
My project is using CCS 5.3 to generate code for the DSP on the DA830/L-137. I use IPC v1.0.5.60, SysBios 6.21.0.13 and XDIAS 6.25.1.08. My compiler is 6.1.13.My project is fairly large, and I use...
View ArticleLM3445 and AC Led Lamp
Hi folks.I read the LM3445 datasheet but I did not understood a simple thing. Can I use LM3445 to dimmer a 120VAC, 60Hz 6W or 7W led lamp? (Brilia model PAR20 or E27).The LM3445 output is just for...
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How do I correct the error caused by "Check for Updates?"
Why can I no longer check for updates in Code Composer Studio? I clicked Help --> Check for Updates. It ran like it normally would. I agreed to restart Code Composer Studio as normal. Then...
View ArticleSudden JTAG Errors "Unknown Device" and "Security Fuse Blown"
Hello,Code Composer Version: 5.3.0.00090Chip P/N: MSP430F5438MSP430 DLL Version: 3.02.04.005I have a board with an MSP430F5328 chip I have been programming for the last several weeks. It seems that...
View Article[ Two Mouse Cursors ] Mouse repaint problems when display rotated in "Matrix...
When the "Matrix GUI" application is rotated to 90 using command line option "-display transformed:Rot90", I see two mouse cursors displayed. One cursor is non-destructive ( the repaint must be...
View Articleads1299 and msp code?
Hi,there are code for ads1298 and msp430 on your site. but, I dont see open code for ads1299. whether there are open code for ads1298 and msp430.and is software of ADS1299EEGFE-PDK including open code...
View ArticleTLV320AIC3101 audio inputs
We are using this device in single ended mode driving pin 10 through a series 4.7 uF cap. We have pin 11 tied directly to gnd. Is this acceptable or should the unused input also have a cap in series...
View ArticleQDMA transfers using EDMA LLD on C6678 - What all parameters need to be...
Hi,I am trying to do a linked QDMA transfers using EDMA LLD on C6678 to transfer some data from DDR3 to L2SRAM. I took the code from sample app. I have linked 8 QDMA channels together and trigger the...
View ArticleTMS320f2808 SCI not working
The transmitter is transmitting to dsp via SCI-b of 8bits data at 9600 buad rate. When I sniff the UART line, the data is in format and i initialized SCI regs appropriately. The dsp is flagging Frame...
View ArticleProgramming Tips for DSP/BIOS
Hi,A basic question about the DSP/BIOS API.The below document describes about the structure "TSK_Attrs".http://www.ti.com/lit/an/spra640a/spra640a.pdfI couldn't understand what is the meaning of the...
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