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TAS5342L: Die marking differences between DC 1027/1201 AND 1610


ISO5500: query of external buffer circuit with ISO5500

Part Number:ISO5500

Hiii,

           I am designing a IGBT gate driver with Texas IC  ISO5500 . In my application I require higher sourcing and sinking currents, thats why i am using a external current buffer , same was attached . This circuit was 

suggested in the ISO5500  datasheet, page no.34. when  analyzing the  buffer circuit  , I am getting a voltage  VEB of more than 25V across npn transitor , when below pnp transistor is in operation . But the datasheet  value of VEB for the transistor is 5V only, means it will fail. Same problem for PNP transistor also , when NPN transistor is in operation. please solve my query. Let me know if anything is required.

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TMS320F28075: SFRA without GUI

Part Number:TMS320F28075

Hello, 

We are trying to use SFRA library without GUI. We use CLA module to generate duty so we call SFRA_F_COLLECT and SFRA_F_INJECT within CLA isr (after execute CLA task). We execute SFRA_F_BACKGROUND every 1ms.

This is what we see in SFRA1 register:

start bit = 1

status is never bigger than 2

freqIndex = 0 (it is not increasing)

Is there any place where we can find the meaning of status bit? What reasons could cause freqIndex not increasing.

Best regards,

Paloma

RM48L952: RM48L952 sci baudrate question

Part Number:RM48L952

Dear Sir:

sci module question:

set baudrate used this sub-function:

/** @fn void sciSetBaudrate(sciBASE_t *sci, uint32 baud)
* @brief Change baudrate at runtime.
* @param[in] sci - sci module base address
* @param[in] baud - baudrate in Hz
*
* Change the SCI baudrate at runtime.
*/
/* SourceId : SCI_SourceId_003 */
/* DesignId : SCI_DesignId_003 */
/* Requirements : HL_SR232 */
void sciSetBaudrate(sciBASE_t *sci, uint32 baud)
{

float64 vclk = 110.000 * 1000000.0;
uint32 f = ((sci->GCR1 & 2U) == 2U) ? 16U : 1U;
uint32 temp;
float64 temp2;
/* USER CODE BEGIN (6) */
/* USER CODE END */

/*SAFETYMCUSW 96 S MR:6.1 <APPROVED> "Calculations including int and float cannot be avoided" */
temp = (f*(baud));
temp2 = ((vclk)/((float64)temp))-1U;
temp2 = floor(temp2 + 0.5); /* Rounding-off to the closest integer */
sci->BRS = (uint32)((uint32)temp2 & 0x00FFFFFFU);


/* USER CODE BEGIN (7) */
/* USER CODE END */
}

I connect with PC COM1 port( physical port, not USB <->UART) 

TX  can do 115200/57600 ~ 9600/4800/2400/1200 baudrate

RX can do 115200/57600 ~ 9600, but the 4800/2400/1200 baudrate out ot function

LAUNCHXL-CC26X2R1: Kernel panic issue

Part Number:LAUNCHXL-CC26X2R1

Hi TI team,

My zigbee could work well on my End-Device(Switch) and my Coordinator(Light).

Sometimes, I just reset my End-Device by using below codes and try to reconnect my coordinator again.

zclSampleSw_ResetAttributesToDefaultValues();
bdb_resetLocalAction(); //use this fucntion to reset zigbee setting

But My CCS output below messages when my End-Device connected to my coordinator. Then, my End-Device will crash and lose connection.

Could you help me check it?

Cortex_M4_0: Error: (Error -1170 @ 0x0) Unable to access the DAP. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Trouble Halting Target CPU: (Error -2064 @ 0x0) Unable to read device status. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Error: (Error -1170 @ 0x0) Unable to access the DAP. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Trouble Halting Target CPU: (Error -2062 @ 0x0) Unable to halt device. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Error: (Error -1170 @ 0x0) Unable to access the DAP. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Trouble Halting Target CPU: (Error -2064 @ 0x0) Unable to read device status. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Error: (Error -1170 @ 0x0) Unable to access the DAP. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Trouble Halting Target CPU: (Error -2064 @ 0x0) Unable to read device status. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)
Cortex_M4_0: Error: (Error -1170 @ 0x0) Unable to access the DAP. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.0.27.9)

Thanks

AM5728: Caffe-jacinto install error

Part Number:AM5728

Hello, TI Experts,
 
I have a question about installing caffe-jacinto based on below guide.
github.com/.../INSTALL.md

Then I found the below error during "make runtest".  

usr@usr-VirtualBox:~/caffe-jacinto$ make runtest
.build_release/tools/caffe
F0912 16:23:17.957453 14747 common.cpp:255] Check failed: error == cudaSuccess (30 vs. 0) unknown error
*** Check failure stack trace: ***
@ 0x2ba5a7e62daa (unknown)
@ 0x2ba5a7e62ce4 (unknown)
@ 0x2ba5a7e626e6 (unknown)
@ 0x2ba5a7e65687 (unknown)
@ 0x2ba5a6863f5d caffe::Caffe::SetDevice()
@ 0x40bd63 main
@ 0x2ba5a94aef45 (unknown)
@ 0x40cd3f (unknown)
@ (nil) (unknown)
make: *** [runtest] Aborted (core dumped)


Question:
Is there same experience?
 
<Detail procedure is as belows>

1:Install ubuntu 14.04.05 LTS on VirtualBox.

2:Install Anaconda2(Python 2.7)
> sudo apt-get update
> sudo apt-get upgrade -y
download Anaconda2-5.2.0-Linux-x86_64.sh from www.anaconda.com/.../
>chmod a+x Anaconda2-5.2.0-Linux-x86_64.sh
>./Anaconda2-5.2.0-Linux-x86_64.sh
>source ~/.bashrc

3: git clone github.com/.../caffe-jacinto
> sudo apt-get install git
> git clone github.com/.../caffe-jacinto
> cd caffe-jacinto/
> git checkout caffe-0.17

4: edit Makefile.config
> cp Makefile.config.example Makefile.config
- Uncomment the line that says WITH_PYTHON_LAYER
- Uncomment the line that says USE_CUDNN

<Here is files diff>

usr@usr-VirtualBox:~/caffe-jacinto$ diff Makefile.config.example Makefile.config
6c6
< # USE_CUDNN := 1
---
> USE_CUDNN := 1
83c83
< # WITH_PYTHON_LAYER := 1
---
> WITH_PYTHON_LAYER := 1

5: Install all the pre-requisites
> sudo apt-get install libprotobuf-dev libleveldb-dev libsnappy-dev libopencv-dev libhdf5-serial-dev protobuf-compiler
> sudo apt-get install --no-install-recommends libboost-all-dev
> sudo apt-get install libgflags-dev libgoogle-glog-dev liblmdb-dev
> sudo apt-get install libturbojpeg

6:Install CUDA8
download ***.deb from developer.nvidia.com/cuda-80-ga2-download-archive
> sudo dpkg -i cuda-repo-ubuntu1404-8-0-local-ga2_8.0.61-1_amd64.deb
> sudo dpkg -i cuda-repo-ubuntu1404-8-0-local-cublas-performance-update_8.0.61-1_amd64.deb
> sudo apt-get update
> sudo apt install cuda-8-0
> echo -e "\n## CUDA and cuDNN paths" >> ~/.bashrc
> echo 'export PATH=/usr/local/cuda-8.0/bin:${PATH}' >> ~/.bashrc
> echo 'export LD_LIBRARY_PATH=/usr/local/cuda-8.0/lib64:${LD_LIBRARY_PATH}' >> ~/.bashrc
> source ~/.bashrc

7:Install CUDNN
download ***.deb from developer.nvidia.com/.../cudnn-archive
> sudo dpkg -i libcudnn6_6.0.21-1+cuda8.0_amd64.deb
> sudo dpkg -i libcudnn6-dev_6.0.21-1+cuda8.0_amd64.deb
> sudo dpkg -i libcudnn6-doc_6.0.21-1+cuda8.0_amd64.deb

8: Make caffe-jacinto
> for req in $(cat ~/caffe-jacinto/python/requirements.txt); do pip install $req; done
> pip install --upgrade pip
> sudo apt-get install libatlas-base-dev
> sudo apt-get install libopenblas-dev
> ln -s /usr/lib/x86_64-linux-gnu/libturbojpeg.so.0.0.0 /usr/lib/x86_64-linux-gnu/libturbojpeg.so

> make all

     RESULT-> Success (No error)

   > make test

     RESULT-> Success (No error)

   > make runtest

     RESULT-> Aborted (core dumped)

If there is some clue to solve the problem, please tell us.
 
Best regards,

Linux: Why get CAN frame without a timestamp base linux A15 socket CAN on TDA2SX?

Tool/software: Linux

hi,

1. we want to get CAN frame by Linux A15 socket can.

2.we have get CAN frame data,but timestamp of evey CAN frame not change all the time. it's always a fixed value.

3.what causes this ?

thank you very much!

CCS/TMS320F28377S: InitSysPll code stuck

Part Number:TMS320F28377S

Tool/software: Code Composer Studio

Hi all community,

I developed a flash kernel application for CAN module. I want to test my program. I used InitSysPll() routine in my main function. When I debug the code, code stuck at following line. I couldn't solve the problem. Why the problem can exist ? 

Image may be NSFW.
Clik here to view.

Thanks and Regards ! 


BQ24085: Cin and Cout Capacitor selection

Part Number:BQ24085

Dear Helpdesk,

For the BQ24085, can we use Tantalum Capacitor instead of Ceramic Capacitor in the CIN and COUT location? Any side effect if we change for this?

Henry

Linux/TLV320AIC3104: How to mute or unmute sound output

Part Number:TLV320AIC3104

Tool/software: Linux

I can play wav file through I2S interface。

In linux, I can control codec chip using amix command。How can I control mute sound using amix command?

OPA2674: Max out current OPA2674 is 350mA but its OP1dB=19dBm Why??

Part Number:OPA2674

Dear Sir,

This is Gordon Liu of WNC in Taiwan.

I want to use OPA2674 be a RF PA at 13MHz.

I use the below test circuit ti test it and I got OP1dB is only 19dBm but datasheet show the max output current is 350mA.

Could you teach me where wrong is??

PS: Load=50 ohm that is spectrum analyzer

BRs,

Gordon Liu

 

Image may be NSFW.
Clik here to view.

12V DC_In (mA)Pin (dBm)Pout (dBm)Gain (dB)
3001212
3211312
3221412
3431512
3641612
4051712
4261812
44718.611.6
46818.910.9
48919.110.1
501019.29.2

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LM49270: LM49270: Mono sound

Part Number:LM49270

I would like to know. Can I set mono audio signal on LM49270? (on the right and left chanell at the same time)

ADS1118: ADS1118IRUGR Die verification

CC2640R2F: CC2640R2F: Maximum Supported Connections, as peripheral and as Master

Part Number:CC2640R2F

There are several posts on this topic and many have aged out also with time(from the usability perspective). I would request the TI experts to put a clear message on the specis of maximum number of simultaneous connections supported as master role and as peripheral role. Please mention the SDK version and the project to be used(BT 4.2 or BT5.0). Also what is to be updated from MAX_BLE_CONNS macro value or for that matter any other configuraitons(connection inerval, timeout, etc) to be updated to realise maximum possible connections figure.

CCS/LAUNCHXL-F28027F: ERROR RUNNING EXAMPLE CODE OF Example_F2802xSci_FFDLB_int

Part Number:LAUNCHXL-F28027F

Tool/software: Code Composer Studio

Hello Team,

I have been trying to run an example code for sci communication.

I am facing a problem where I declared the send char variable to global but when i change the value in the variable the program stops debug mode.

Even when I disable the loopback mode the program halts.

What could be the possible issue ?


RTOS/CC1310: What kind of "driverlib"?

Part Number:CC1310

Tool/software: TI-RTOS

I am install tirtos_cc13xx_cc26xx_2_21_01_08 and simplelink_cc13x0_sdk_2_20_00_38.  I understand that they contain different "driverlib". 

tirtos_cc13xx_cc26xx_2_21_01_08  - cc13xxware_2_04_03_17272 (cc26xxTiRtos_drivers_release_note.txt)

simplelink_cc13x0_sdk_2_20_00_38 - driverlib_cc13xx_cc26xx_3_04_13_18486 (release_notes_driverlib_cc13xx_cc26xx.html)

Am I correct that DriverLib version bundled with the most recent SimpleLink release has some bugfixes and it is preferrable to use with TI-RTOS instead of old one that bundled with TI-RTOS release?

RTOS: NDK IP socket options

Tool/software: TI-RTOS

Hello,

I am using a socket that sends multicast data.

I wanted to disable the multicast loopback using the setsockopt API

uint loop = 0;
setsockopt(socket, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(loop));

it seems that NDK does not have a definition for the IP_MULTICAST_LOOP.

is this option supported by NDK and it is just the definition that is missing? if so can you please let me know what is this option's "number" so i can use it?

Thanks
Guy

Linux/AM5728: Qtquick build issue

Part Number:AM5728

Tool/software: Linux

Hello,

I'm trying to build qtquick1 for processor sdk AM57xx 5.0

It ends with error qtwebkit_git.bb while processing do_install.

As per your information in other thread tried do_cleanall but still not able to complete the sdk build.

I've observed that after the build failed my ram is 100% occupied & Swap is 60% occupied even if i restart my computer.

I'm using I5 with 2TB HDD,8GB RAM,8GB SWAP

TMS570LC4357: FlexRay transceiver / shield for TMS570LC4357

Part Number:TMS570LC4357

Hello,

I was currently studying the possibilities of using the TMS570LC4357 to achieve FlexRay communication. Currently I am reading and understanding the example code provided for the TMS570LS31x and trying to port it for the TMS570LC4357.

I was wondering if there are any shields or ready-made transceiver board for the Hercules Safety TMS570 MCU Development kit? A link to a vendor or something provided by Texas Instruments would be great.

Thank you,

Adrian.

CCS/TMS320F28333: F2833x variant missing in new project create list

Part Number:TMS320F28333

Tool/software: Code Composer Studio

Greetings everyone,

I have:

  • Code Composer Version: 6.1.0.00104
  • Compiler Version: TI v6.4.2
  • XDC tools Version: 3.25.5.94
  • SYS/BIOS Version: 6.37.5.35

I am creating a new RTSC project in Code Composer and in target select file I could not find F28333 device option to select.

Image may be NSFW.
Clik here to view.
Image may be NSFW.
Clik here to view.

Please help to sort out this problem. How can I create project for F28333.

Many thanks for your kind consideration.

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