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Recent content by developereda

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    Is anyone have use AS3992 RF chip in direct mode?

    I was read as3992's datasheet, I have some don’t understand in direct mode, if select Sub-carrier output in direct mode,why used two IO's(IO5,IO6)? What is the difference between these two outputs? What is the difference between phases of two signals?
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    Please explain: why structure is used inside the union ?

    Re: Any one please explain tis In order to achieve access to the bits of the byte
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    [ARM] how to set EEPROM of ATSAMD20

    hello. when i read page.27 of sam-d20_datasheet(http://www.atmel.com/Images/atmel-42129-sam-d20_datasheet.pdf) that don‘t understand Section 9.3 Non-Volatile Memory (NVM) User Row Mapping: 1.how to set EEPROM? 2.how to set BOOTPROT? The datasheet does not give a more detailed description.
  4. D

    How to start learning Embedded Linux?

    eg:<<linux device drivers>>and so on,the board should be run Embedded linux(arm9,arm11,cortex-a...)
  5. D

    How to start learning Embedded Linux?

    if you are want learn Linux device driver,you can buy some books and buy a board for linux
  6. D

    [SOLVED] OV7670 pin out and STM32 port ?

    maybe try it: SIO_C->SCL(PB10) SIO_D->SDA(PB11) VSYNC->PA0 HREF->PB7 CAM_WEN->FIFO_WR->PD3 ……………………………… can you put complete schematic ?
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    Can 89S be programmed using USBasp?

    Software can be free to use, but they are not allowed to sell for profit purposes,and it‘s chinese software
  8. D

    [SOLVED] Regarding 8051 Microcontroller

    what do you mean?
  9. D

    Can 89S be programmed using USBasp?

    i am used avrfighter in conjunction with USBasp which is worked fine for AT89S

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