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cc1310: how to configure Ti 15.4 stack working in 433Mhz (FH MODE)

July 24, 2017, 9:01 pm
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Part Number:cc1310

HI ALL:

I have run the TI 15.4 stack on the smartRF06 board working on 915MHZ (FH MODE)successful and now I want to test the 433M(china band), but it seems dosen't work. All I do is just change the CONFIG_PHY_ID in config.h from APIMAC_STD_US_915_PHY_1 to APIMAC_GENERIC_CHINA_433_PHY_128. Is there anything be ignored or what's wrong with it? 

I have test two version of TI 15.4 stack: simplelink_cc13x0_sdk_1_30_00_06 and the latest simplelink_cc13x0_sdk_1_40_00_10, but it still cannot work. 

Anyone can give me an advice?

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CC2590: CC2590 TX Cerrier power is less 12 dB on datasheet

July 24, 2017, 9:07 pm
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Part Number:CC2590

Hi Mesh network team

We are using CC2590 on schematics and Artwork as a below

However, CC2590 TX Cerrier power is less 12 dB on datasheet. And then,  RX is normal

We might operate TX amp funcion.

Can we get information and solution?

We attach file about Layout of Artwork.

Best Regards

Gerald(Please visit the site to view this file)

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CCS/TM4C123GH6PM: master and slave

July 24, 2017, 9:09 pm
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Part Number:TM4C123GH6PM

Tool/software: Code Composer Studio

Hi, I have question regarding master and slave application. So I have 2 TM4C123GH6PM boards, I would like to use that as master and slave for my project.

So the question is, Do I need run 2 C++ scripts (1 for master and 1 for slave) together in the same time? If so, how to do that? 

If not, what should I do to be able run my 2 scripts in CCS and see my result in puTTy?

Thank you for your help.

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CC2640: SPP sample application on smartphone (iOS or Android)

July 24, 2017, 9:20 pm
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Part Number:CC2640

Hello,

Please let me know the SPP client sample application (Bluetooth 4.2) on smartphone (iOS or Android) is released.

We can get the SPP server sample software from the following GitHub.
github.com/.../ble_examples
However, these projects are only for CC26xx.
I want to find the application on smartphone.

Best Regards,

Nomo

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TUSB1002: Current Requirements of 1 or 1.8 meter USB Type-C 3.1 Cable

July 24, 2017, 9:32 pm
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Part Number:TUSB1002

Hey,

I am interested in driving a 90 ohm differential impedance signal, possibly a 100 ohm too since I expect the reflections to be minimal at 1.25Gbps, over a USB Type-C Gen 3.1 cable and am wondering if the TUSB1002 will be able to drive this signal? The cable will be 1.8 meters max in length, 1 meter is the alternative. Where on the datasheet is the output current spec? What is the load capacitance of a USB cable?

-Mezz

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SN74LVT245B: Pull up resistor for SN74LVT245B?

July 24, 2017, 9:34 pm
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Part Number:SN74LVT245B

Hi,

I want to add pull up resistor in the input side for 5volt.

Can you please help me to select a pull up resistor value limit?

Thank you in advance.

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CCS/CC2538: CC2538SF53

July 24, 2017, 9:40 pm
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Part Number:CC2538

Tool/software: Code Composer Studio

Hello sir,

I am trying to enable led3 and led4, but they are not glowing. I am able glow led1 and led2. can you help me out. 

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DM388: Test files

July 24, 2017, 9:41 pm
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Part Number:DM388

Hi everyone,

I want to know about the test procedure. I have to get the test report file in IPNC_RDK_3.9.1.  So can you tell me how can find all "S.REQ."(system requirement) to test that system as per the given document?

path of file: Ti/ipnc_rdk-3.9.1/Source/ipnc_rdk/collaterals/IPNC_RDK_DM38x_CSK_TestReport. 

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TXS0206A: how to use TXS0206A

July 24, 2017, 9:52 pm
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Part Number:TXS0206A

Hi,

My customer is considering to use TXS0206A device. But its use case is not level shifter.

 In my customer's system, the distance from the host processor(AM3354) to SD card is long. It exceeds the limitation of the wiring restriction of SD standard.

My questions are below.

1) So customer would like to extend the distance by inserting TXS0206A between the host processor and SD card. Regarding the power supply, customer use 3.3 V for both VCCA and VCCB. Maximum clock is 55MHz. So SD card bus speed is until high speed.  Is there any problem with this use case?

2) According to datasheet of TXS0206A,  it is written in the below.

    The SDIO lines comprise a semi-buffered auto-direction-sensing based translator architecture that does not require a direction-control signal to control the direction of data flow of the A to B ports (or from B to A ports).

 Is this mean that host processor does not need to control the signal direction?

Please advise me.

I appreciate your quick reply.

Best regards,

Michi

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CCS: could not able to import porject zero

July 24, 2017, 9:52 pm
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Tool/software: Code Composer Studio

i have done  all theswhat build tool is to installed to import the project zero... please answer and help me to clear this error...

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SN74LVC3G04: SN74LVC3G14DCUR Icc to high with Vcc=5V and Input-Level=3,3V

July 24, 2017, 9:55 pm
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Part Number:SN74LVC3G04

Hello,

I want use SN74LVC3G14 as a Level shifter. (Vcc=5V)

-          When I stet the Input to a 5V Level everything is Ok (Icc = 55uA)

-          But when I set the Inputs to 3,3V-Level the IC needs about 11mA per Channel, why?

Test:

(3-Ports = 0V, 0-Ports = 3,3V -> ~0,055mA)
(2-Ports = 0V, 1-Port = 3,3V -> ~11mA)
(1-Ports = 0V, 2-Ports = 3,3V -> ~22mA)
(0-Ports = 0V, 3-Ports = 3,3V -> ~33mA)

-         (extra) current flow into Vcc, not into the Inputs

-         there is no output resistor, current I(out)=0mA

-          The pinning on PCB is OK, because with 5V Inputs everything works correct!

-         I also tested it with „74HC3G14“ (Nexperia) on the same PCB this one works perfekt!

-          I also tested it with SN74LVC3G04 and it’s also the same problem as with SN74LVC3G14!

-          I testet it on different PCBs and it’s the same problem!

Other Test

-          Vcc = 3,3V = Input-Level=3,3V -> Icc = ~0,055mA undependet on any Input-Level, works perfekt

-          Vcc = 4,5V > Input-Level=3,3V -> Icc = ~1mA per Input_Channel High!

Markin Code ist "14CZ" (SN74LVC3G14DCUR VSSOP)

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TMP75C: About conversion time

July 24, 2017, 10:05 pm
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Part Number:TMP75C

Hi,

Let me talk about the conversion time of TMP75C.
LM75 data sheet describes the following contents.



However, LM75C data sheet does not describe it.
Can I consider LM75C and LM75 the same spec?

My customer wants to know the conversion time for each Bit of LM75C.
Could you give me you advice?

Best Regards,
Yusuke/Japan Disty

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WEBENCH® Tools/TPS53315: Regulator discrete selection

July 24, 2017, 10:11 pm
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Part Number:TPS53315

Tool/software: WEBENCH® Design Tools

Hi,

I am using the regulator TPS53315RGFT in my design.

I want to know regarding the discrete selection, all the Inductor list are of high package size. 

Can I go with smaller package and similar specification. Will it effect the efficiency of the regulator circuitry?

What will the maximum change in efficiency expected?

Please let me know the details ASAP.

Regards,

Nibin

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Linux/TMS320DM8148: My Kernel Boot is Stucking at making a syslink notify driver.

July 25, 2017, 12:21 am
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Part Number:TMS320DM8148

Tool/software: Linux

I am using custom dm814x , with DDR3 512MB using only one DDR0 Controller . While booting , when booting it stucks before notify_init.

When i disabled the syslink config from my kernel , the boot get well without loading any firmware.

So what should be changed in order to get syslink enabled ?

BR

Ammar Zafr

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TPS55330: Please tell me the recommend parts number.

July 25, 2017, 12:23 am
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Part Number:TPS55330

Hello,
Followings are my In/Out design spec.
Vin=2.7V to 4.2V( this is the Li ion battery spec)
Vout=20V
Iout=2A


In this case, I want to know the parts number of "D1" and "L1".
Or, please tell me the recommended spec of these parts.

Best Regards

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TPS2513A-Q1: TPS2513A-Patent

July 25, 2017, 12:30 am
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Part Number:TPS2513A-Q1

Dear Ti support Team,

I am working to develop an USB charger with using TPS2513A, to detect the charging proces.

My Customer want knowing, if this IC has no violation to the BC1.2 specification of USB.org.

Could you please confirm it?
Thank you in advance.

Best regards,
Hassan Boudache

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Linux/PROCESSOR-SDK-AM437X: CAN support in Starter Kit

July 25, 2017, 12:36 am
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Part Number:PROCESSOR-SDK-AM437X

Tool/software: Linux

I know there's no support for DCAN drivers in AM437x starter kit by default, but I want to add this support just for SOFTWARE purpose.

I reconfigured the Linux kernel and recreated zImage, modified the device tree file am437x-sk-evm.dts by copying related code (dcan0 and dcan1) from am437x-gp-evm.dts and copied the compiled dtb file into the boot directory on the target system.

However, I failed to add can0 and can1 in /dev through the above steps. So I couldn't do any software testing on my am437x starter kit eval board.

What else should I do to achieve my goal?

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CC2541: Are there a reference design for Impedance matching electricity on the PCB thickness=1.6mm (FR4)

July 25, 2017, 12:37 am
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Part Number:CC2541

Hi Team,

       Are there a reference design for Impedance matching electricity on the PCB thickness=1.6mm (FR4).? My customer would like to design our CC2541 on their board based on PCB thickness= 1.6mm (FR4).

Thank you for your help!

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UCC21520: CSA Approval

July 25, 2017, 12:45 am
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Part Number:UCC21520

The UCC21520 Gate driver datasheet states that the CSA IEC 60950-1 and IEC 60601-1 Approvals are “planned”.

Can you provide me present status or schedule?

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ADS8568: Suitable microcontroller

July 25, 2017, 12:45 am
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Part Number:ADS8568

Hello,

I'd like to use a microcontroller which has minimum 3 SPI + 1 SD card interface and an ADC which has 16-24 bit precision, high sampling and 4-channel bipolar input of +-2.5V . ADS8568 seems interesting to me however it has 8 channels. Do you have 4-channel version which has a similar (and simple) architecture like ADS8568?

Can you recommend a microcontroller  which is suitable with DAC8563 and ADS8568 together in order to use in a battery powered, precise and fast, portable biomedical device?

Any help would be appreciated.

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