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RS-422
Related Posts

  • Forum Post: AM26LS31 failure

    Wade VonBergen
    I have a customer who is experiencing failures on an AM26LS31 on multiple boards. The signature is somewhat different on different boards, but associated symptom is the differential outputs not being in sync with the other. C+/C- are the differential signal names on the AM26LS31 in customer application...
    on Jan 29, 2010

  • Forum Post: Question: Transmission distance of AM26LV31E.

    Toshiya Hiramatsu
    Hi, When AM26LV31E operates by 32MHz. Which extent is transmission distance? Or, Isn't there the following graphs of AM26LV31E? "Data rate" vs "Cable length" Thanks in advance, Toshiya
    on May 25, 2010

  • Forum Post: Question: About the meaning of "Isolated" on the web(SN75C1167).

    Toshiya Hiramatsu
    Hi, I have a question in the web of SN75C1167. Could you see figure below? (It is a copy of the Web. ) What meaning of "Isolated"? I think it to be the one like "GALVANIC ISOLATION" of the ISO Series. (For instance, ISO1050.) Could you please teach me? Please correct...
    on Sep 27, 2010

  • Forum Post: TI external UARTs that support 9bit addressing mode / rs485 multidrop

    James Salisbury
    Hi, I am looking for an external uart that supports 9bit addressing. Such a uart will use the partity bit to indicate the byte is address or data, and will cause a recive interupt if the parity bit is set. Thanks
    on Jun 13, 2011

  • Forum Post: IBIS model for the AM26LV31E (Quad Line Driver) or suitable sub

    Aubrey Sparkman
    I want to simulate a RS-422 interface over a long distance with many agents. I found the ibis model for the AM26LV31E (Quad Line Driver) but I can't find the ibis model for it's mate for the other agents AM26LV32E (Quad Line Receiver) on the line. Any suggestions? Thanks, Aubrey
    on Aug 2, 2011

  • Forum Post: TL16c754B availability on board/card

    Sudhir Kasanavesi
    I was searching for any card/board which is having quad uart TL16c754b fabricated to it for experimenting on developing drivers. We do have a proprietary board which is holding this UART and for some reasons I cannot use it ...I tried looking for it and couldnt find one. Can you please let me know if...
    on Aug 24, 2011

  • Forum Post: Re: TL16c754B availability on board/card

    Sudhir Kasanavesi
    Here is what I am trying to do, or maybe you can point out when something is wrong or any other alternative. I have TL16C754B quad uart with 64 byte fifo on a proprietary board and it is connected on an ISA bus in such a way that the I/O range is from 0x240 to 0x25F. The board uses Windows XP Embedded...
    on Aug 25, 2011

  • Forum Post: Re: TL16CP754C Example Drive Source Code in C

    Sudhir Kasanavesi
    Hey Joe, I am a noob in device drivers. I was going through the Register Initialization Test Program. I would like to know what/how do you compile these programs and run it. I am using a proprietary board which is having Windows XP Embedded OS. I would like to know how this is done exactly. I came...
    on Aug 25, 2011

  • Forum Post: Re: TL16c754B availability on board/card

    Sudhir Kasanavesi
    I dont have 'dxdiag' installed/present over there. Moreover I cannot provide you with the snapshots as it is proprietary and confidential. So maybe if you could tell me on how to see whether 0x240-0x25F is used by other device or not, then it will be wonderful. I have also tried building and...
    on Aug 26, 2011

  • Forum Post: Re: TL16c754B availability on board/card

    Sudhir Kasanavesi
    Hi Joe, I see that 'dxdiag' comes up in my desktop where as on my hardware it doesnt show up, reason being the Windows CE image which is loaded onto the board is burned with the minimum requirements and probably DirectX Diagnostic Tool is not installed. Again as I said, I cannot post the...
    on Aug 30, 2011

  • Forum Post: Re: TL16c754B availability on board/card

    Sudhir Kasanavesi
    I am sorry again to say that I cannot share you the schematics. But based upon your inputs, I am now guessing that I am not even able to access the ISA bus address space itself. I have checked my BIOS settings but I am not able to see ISA bus or its properties in it. Could this happen that the processor...
    on Sep 6, 2011

  • Forum Post: Unused inputs and Outputs on SN65LBC174A-EP and SN65LBC173

    Anthony Campos
    Looking for guidance as to what to do with the unused inputs and outputs on these devices: SN65LBC174A-EP and SN65LBC173 I am also using a SN74LVCH244A, however the datasheet states that it's ok to leave these inputs floating due to the bus-hold circuitry?
    on Sep 6, 2011

  • Forum Post: Industrial RS-232 to TS-422/485 Converter

    Hezi Lev
    Dear fellows, I am looking for Industrial RS-232 to TS-422/485 Converter with the following parameters: Operating Temeperature : -20 to +50C. Storage temperature : -10 to +50C/ Operating Humidity : Up to 97% condensing . I will be glad to get information about relevant product. B...
    on Dec 27, 2011

  • Forum Post: Re: Differential standard for 100 meters 2 MHz communication

    John Goldie
    Greetings - It appears you have a need four signals to go 100m at a 500k to 2Mhz rate in a rugged enviroment. LVDS is generally more for higher speeds and shorter distances and it provides only a +/-1V common mode tolerance. If this is DC coupled, I suspect RS422 is a better solution due to the wider...
    on Jan 5, 2012

  • Forum Post: Re: DS26LV32

    John Goldie
    Greetings - This is a RS422 Receiver, there are two types of inputs (LVCMOS, the enables) and RS-422 inputs (4 channels, 8 inputs). The RS-422 inputs are specified to take +10V to -10V input levels and adhere to the RS-422 input current specification. These inputs are very robust, I do not expect...
    on Mar 6, 2012

  • Forum Post: Re: DS26LV32

    John Goldie
    Greetings - I just re-read your post, and applying -1V to a RS422 input is not expected to cause a problem. The RS-422 input impedance is 4k ohm min and a sweep of the input from -10 to +10 is expected to show that or higher impedance. Also, we do not have other reports of a problem to date. The part...
    on Mar 7, 2012

  • Forum Post: radiated emission

    iliya tzukerman
    Hello. I have a difrantial data line rs-485 and i need to filter all noise that can be caused becouse of radiated emission can u help me please? Thx
    on Apr 20, 2012

  • Forum Post: RE: DS26C31 Driver Question

    John Goldie
    Greetings - Yes, It is possible to double up channels and drive them with the same data. As you noted that will make a more stronger driver as it lowers the driving impedance. It is not a factor of 2 as these are voltage-mode drivers. Likely you might also want to reduce the series Rs some also to...
    on May 24, 2012

  • Forum Post: About the minus voltage output of "SN55LBC173"

    hisakichi kobayashi
    Hi all. There is a question about "SN55LBC173." Is "-5V" output possible in the following pin states? About 1.5V is inputted into B-input. 3.3V or 0V is inputted into A input. VCC is connected to 0V and GND is connected to -5V. Is the same usage possible also about "SN55LBC175"...
    on May 9, 2013

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