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Recent content by wek

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    MPC89E52AE hex code from SDCC - ECLIPSE IDE

    MPC89E52AE hex code By default, sdcc outputs a regular intel-hex file, but with extension "ihx" rather than "hex". JW
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    Starting with Philips P89LPC921, wanna a start-up tutorial ?

    **broken link removed** (although slightly dead) http://www.standardics.nxp.com/microcontrollers/lpczone/ **broken link removed** http://www.keil.com/support/man/docs/mcb900/mcb900_examples.htm and of course the ultimate '51-related site, http://www.8052.com Note also that the LPC9xx family has...
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    at89s51 Programmer using PIC Microcontroller

    No, you can erase only the whole chip. The only way to modify a part of the content is to read the whole content into a temporary storage (I'd use an external serial eeprom e.g. 24Cxx, if there is not enough internal storage onchip of the PIC); perform the erase, and then write back the...
  4. W

    Looking for tutorials on T6963 GLCD controller

    t6963 tutorial https://lmgtfy.com/?q=t6963c+example+code&l=1
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    how to determine whether microcontroller is 8-bit or 16-bit?

    simple question..!! The manufacturer tells us in their full color brochures ;-) Seriously: it's the width of the data bus; most arithmetic operations, data moves etc. work on this number of bits. JW
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    8051 compatible MCU (Atmel 89S52) : Input questions

    8051 input **broken link removed**
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    89c51rd2 programmer help me

    p89c51rd2 isp On of the high points of '89C51RD2 and family is the built-in serial bootloader. It means, you don't neead ANY programmer, as long as the board with the 'RD2 has an RS232 level converter (such as MAX232) connected to Rx and Tx pins of the mcu; then a simple serial cable (or an...
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    Can I use a Timer which sets the baud rate in UART again ?

    8051 timer problem Although unlikely, in some very rare applications it might be viable to use the timer serving as a baudrate generator also as a timer, simply enabling its interrupt (and reducing most of the interrupts to a mere djnz SlowDownCounter,xxx; xxx: reti); although if baudrate is...
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    How many modes does the µc8051 work in ?

    modes of 8051. And what is the question? Define "mode of uc", first. JW
  10. W

    How many modes does the µc8051 work in ?

    modes of 8051. .. and, sometimes, smoking mode... ;-) (dumb answer to a dumb question) JW
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    Performance of AT89C1051,89C51 MCU, industrial environment

    Performance of .... "Performance" (whatever that might mean) of ANY integrated circuit heavily depends also on its surrounding circuitry and enclosure. There are certainly parameters such as latch-up immunity and expected lifetime/reliability, given by design and manufacturing process of the...
  12. W

    89s52 serial or usb programmer required

    atmel 89c52 programmer An another one: **broken link removed** supports both the AVRs and AT89Sxx JW
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    AT89C51 baud rate...????

    **broken link removed**
  14. W

    how to convert 4bytes into 4 seperate bytes

    ... or, if you are using 8-bit byte rather than 4-bit ;-) : typedef unsigned char OneByteData; OneByteData data1, data2, data3, data4; data1 = FourByteData & 0xFF; data2 = (FourByteData >> 8) & 0xFF; data3 = (FourByteData >> 16) & 0xFF; data4 = (FourByteData >> 24) & 0xFF; JW
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    Can 89S8252 be replaced with 89S8253 just by recompiling the code?

    89s8253 replace The 8253 had quite a lot of hardware issues - it took Atmel several versions of silicon to get it right. Look at the erratas available on Atmel's site and make sure you purchase the newest version of silicon. JW

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