• What hardware does ISD 51 need?
    I'd like to use ISD51 But what hardware do I have to prepare for using it? Could anyone tell me how to use it and how to connnect the interface? Thanks in advance!
  • What is the difference between RS232 and UART?
    Any associated information will be appreciated! Regards,
  • what is the difference between scanf and scanfor?
    what is the difference between scanf and scanfor?
  • What's the difference between Stack size and Max Depth?
    for example: int the Static Call Graph file: SD_DMARxAbort (Thumb, 76 bytes, Stack size 16 bytes, stm32f7xx_hal_sd.o(i.SD_DMARxAbort)) [Stack] Max Depth = 128 Call Chain = SD_DMARxAbort ⇒ HAL_SD_GetCardState...
  • What is the difference for xdata types
    Hi c51'wizards What is the difference in having a variable as: xdata unsigned char var; versus: unsigned char xdata var; ?????? Does it make sense to have a variable as: xdata...