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Recent content by mgf

  1. M

    STC microcontroller ?

    stc chip Hi jamshaidkhan, actually I was talking about an IC (ie a silicon chip) not of a STC protocol. more like what programmer (hard/soft) shall I use to program it. appreciating though your effort. regards mgf
  2. M

    STC microcontroller ?

    stc mcu Hi fireplus, as I have recently need to use some of those controllers, this is what I have so far: the STC chips found listed on: http://www.stcmcu.com and on **broken link removed** trouble is that those sites are written in Chinese only. (and the automatic translators are not that...
  3. M

    MicroSD / Transflash SPI Initialization

    microsd initialization Hello bishopd, After CMD1 send a dummy byte out , say $FF, then check if the card is out of idle in the next spi bus interrogation. Use somenting like this: Repeat Low SD_PIN_CS ; select card CMD1 SPI $FF ; send a dummy...
  4. M

    Help needed in Portable audio player.....

    Hi gauravsarode, you can use PWM as well as they use in this module, **broken link removed** which is about similar with what you want to achieve. I have tested one and it sounds ok. As for parralel output, you can try MAX5100 **broken link removed** . Are you using some kind of file system...
  5. M

    Help needed in interfacing sd card to pic16F877

    sd card pic16f Hello, with the money spent on SRAM, you better upgrade to say 18F458 and use a 512 bytes buffer in the PIC Reserved_Ram Space - using indirect access (FSR2/POSTINC2). Will work ok. regards, mgf
  6. M

    High Voltage Small current Multiplex

    @echo47 The device will have to operate 24/7 with switching times ~ 100us to 800us. That's why have written "quite fast" with respect to using hv relays. So unless I 'll find some relay switching at that speed (though I'll have to replace them often if do) I will use multiple hv transformers...
  7. M

    High Voltage Small current Multiplex

    Greetings , Need some advice on multiplexing high voltages in the range of 2KV to 12KV ( with a small current like 10mA to 80mA). What I mean : is there any electronic component capable of that (i.e. thyristors, transistors, special IC, etc) switching in the High Voltage side, without using...
  8. M

    Looking for the datasheet of SU1030B IC

    Re: SU1030B well, the SU1030b have to do with telephone interface. appreciate anyway mgf
  9. M

    M50530 Custom graphic characters

    m50530 Hi all, Is there anyone that know how to store and use the custom characters on the M50530 type of LCD (4x40). It has only 12 pins and uses 4 bit data transfer mode. I have the datasheet but ... ? regards mgf
  10. M

    Looking for the datasheet of SU1030B IC

    su1030b Looking for the datasheet of this IC named SU1030B regards \mgf
  11. M

    PICc instructions - I have a question about function

    Re: PIC'c instructions well clayofjunk, obviously u turn this topic to usseless asking such questions. Don't get me wrong. Or at least read the MPASM help section of the MPLAB that u use. as my humble advice to u please search and read before posting. br// mgf
  12. M

    PICc instructions - I have a question about function

    Re: PIC'c instructions hi clay of junk, yes u can do it also in assembler. just try to search and read the plethora of docs on the net and hopefully you will get the point. if unsuccessfull pm me and i will reply. just try this in assembler...
  13. M

    psion 3a SSD Flash connector

    psion ssd connector Hi, looking for some info about the SSD Flash connector of a PSION series 3a, or maybe the serial connector pinouts. Searching the net revealed that there was a hardware sdk for the psion 3a but just can't find the file. regards, mgf
  14. M

    PICc instructions - I have a question about function

    Re: PIC'c instructions just declare an array of 9 elements. There will be auto reservation of each. U can do a search for mpasm,array and will get many answers to that topic. Beware, a variable can be changeable if it stays in the variable type declaration. Good luck PS: which programming...
  15. M

    Vari able font and symbol for T6963

    t6963 HI Fragrance, maybe we talk about different protons. Belive me, i was checking the manual on their demo download page and the proton from crownhll DOES NOT SUPPORT the T6963 controller, but KS0108. Ampire using both controllers on their graphic lcd's. regards, mgf

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