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UART
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  • 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: 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: TL16C754B FIFO mode issue

    Oleksiy Pazyuk
    I have issue FIFO mode operation for TL16C754B The issue is next: Nevertheless which threshold level is set the !RXRDY signal is going to low directly after first byte has received. Does anybody met such behaviour? Below there is the short description of the initial condition: a)...
    on Oct 26, 2011

  • Forum Post: Re: TL16C754B FIFO mode issue

    Oleksiy Pazyuk
    Hello Joe, I'm afraid that I not fully understand you or this mean that there is some mistype in the data sheet The code which is mentioned above is made according to the "TL16C754B Programmer's Guide" : Set xmt and rcv FIFO thresholds to VALUE: Read LCR (03), save in temp1...
    on Oct 27, 2011

  • Forum Post: Is there any UART chip able to provide a full 9-pin DCE serial port?

    WENBO LI
    Is there any UART chip that can provide a full 9-pin DCE serial port? A full 9-pin DCE serial port requires 5 outputs (DCD, CTS, DSR, RI, TXD) and 3 inputs (RTS, DTR and RXD) and a GND. The UART chip like TL16C2552 could interface a processor through the data/address/control lines and provide the...
    on Mar 14, 2012

  • Forum Post: RE: What is Thermal Resistance junction to ambient Θ JA (ºC /W) for PC16550D UART

    John Goldie
    Hi - I dont see this data listed in the datasheet. This is an older device. Which package are you using (MDIP or PLCC)? I will enquire with product group on this. John
    on Jul 27, 2012

  • Forum Post: TL16C752C Initializing Interrupt

    takishin
    Our customer has some problems. He wants to know that his code is correct. Next code is for initializing interrupts of uart:TL16C752C. He expects generating of "THR Interrupt". Please help me how to solve his problem. //Interrupts Disable base_adress+0x03(LCR) write 0xBF ;for EFR access...
    on Apr 24, 2013

  • Forum Post: TL16CP754C polling loop-back test fails when sending more than 2 characters

    Kevin Sylvestre
    GENERAL PROBLEM DESCRIPTION: An external loop-back test on any single channel of a '754C UART (TL16CP754C) fails under a variety of conditions. When attempting to transmit multiple characters via RS-232 directly to the receive line of the same UART channel, only the last two characters appear...
    on Apr 29, 2013

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