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TLC59711 flashing when using Arduino's hardware-enabled SPI
I am using the TLC59711 LED driver to drive four RGD LEDs with an Arduino Uno, and I am experiencing LEDs flashing off momentarily, and somewhat randomly, while receiving new grayscale levels over the...
View ArticleDMDs that can be used with the DLPC2607
The DLPC2607 supports the following DMDs:0.2 nHD DDR Series 230 DMD0.24 VGA EM DDR Series 240 DMD0.3 WVGA DDR Series 220 DMD0.3 WVGA EM DDR Series 242 DMD
View ArticleAbout C6670 PCIe Device ID
Hi,I have a question about C6670 PCIe.I'm searching for PCIe Device ID.In Keystone PCIe User Guide(sprugs6d) page.140 Table 3-104,it's written as...
View ArticleADS1248 Bipolar power supply
I am using the ADS1248 with bipolar power supplies (+-2.5V). My schematic is based on the proposed schematic found...
View ArticleBeagleBoneBlack VNC server autoStart with password
Hi all,I'm starting to develop my custom cape based on BBB and Texas JB 4.2.2 sdk. I need to start a (password) protected VNC server session every time on boot.I am able to: $ 'start androidvncserver'$...
View ArticleMeasuring period and phase of two square-wave signals with the Concerto...
Hi,I plan to use a Concerto microcontroller for my next project.Here I have to measure two square wave signal with the same frequency (100kHz - 200kHz). Is there a chance to use the ECAP inputs two...
View ArticleCC2541 32MHz crystal fails to stabilize - Production Stop
Hey guys,I have a customer who is observing a 20-25 % failure rate with his lamp product that has come off the production line. The CC2541 firmware is getting stuck in a loop waiting for the 32 MHZ...
View ArticleDaylight saving time support with CCS time.h
Hi, I use the time.h from Code Composer Studio. Using UTC it worked fine for converting a timestamp to struct tm and back. For a actual project localtime() should include daylight saving for the local...
View ArticleMSP430F5232: 4-pin JTAG mode
Hi. On MSP430F5232, I am planning to use “4-pin JTAG mode”. I want to confirm which signals need to be used to enable this mode. Beside four JTAG signals (TDO, TDI, TMS, TCK), two control signals seem...
View ArticleI2C of CC2541 shows erroneous spikes at SDA, SCL
I want to use the HW-based I2C peripheral of the CC2541 as master. Therefore I connected a scope to SDA and SCL to prepare a measurement setup for debugging later on. I was very surprised when I saw...
View ArticleReverse Battery Protection for the LP3996
Hi, so I am interested in using the LP3996, which is a dual output LDO regulator. I am wondering about how to do reverse battery protection though, as the datasheet doesn't say anything about that.The...
View Articlecc430 different voltages leads to slightly different frequencies. why?
Hi,I'm using two EM430F6137RF900 boards with crystals installed and powered with different voltages. The first one is battery powered (3v) and the second one is powered from a regulated power supply...
View ArticleTVP5158 chip ID regs
We are having problems reading The Chip IDs of the TVP5158 in order to verify operation. We have followed the datasheet according to the reset requirement and have verified the I2C layer protocol. Both...
View ArticleTM4123GH6PGE USB device not recognized
Hello, I have been developing a USB bulk device application for the TM4123GH6PGE. I have been using the LM4F232H5QD Evaluation board and we have recently had a prototype board made for our device...
View ArticleMSP430F2132 internal oscillator jitter
Here is the problem. We need to use a timer to sync to an input signal frequency. We have the timer running at 2Mhz and with 16 bits, we should be able to get down to .5 us resolution.So we will expect...
View ArticleCode Generation tools
Hello,after some Installation problems resolve with Lisa TI (Thanks Lisa) I have now compilation Problems.I have this message after the compilation:This project was created using a version of Code...
View ArticleVLIB library function input attribute modification request
Hi, Currently we have the need to withdraw Luma (Y domain) from a YUV422 color format forimage processing. The VLIB2.2 has the API VLIB_extractLumaFromUYUV () comes in handy.However, the input color...
View ArticleUSB Host Problem Concerto Revision B
Hi folks,I'm back again with an USB problem: We have changed our concerto (F28M35H52C) from revision 0 to the revision step B and my USB host mode does not work! We did not do any changes in the...
View ArticleLoading custom firmware onto TSW1400
Hi,After receiving the Verilog code for TSW1400 + DAC34SH84 from Ebenezer a few weeks back, I first compiled the code as-is using Quartus 13.1, and loaded it onto the TSW1400 simply by loading the raw...
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