• byte Vs Half word Vs Word comparison
    Hi Experts, unsigned int var1_32; unsigned int var2_32; unsigned short int var1_16; unsigned short int var2_16; unsigned char var1_8; unsigned char var2_8; In the above declarations which is faster...
  • How to divide external Clock Frquency?
    Hi I am generating external clock of 50% duty cycle 100KHz using AT89c52 using timer2.This external clock I am given to clock input of USART 82c51.I need to another clock frequency to set the baud rates...
  • How to Split the 16bit word?
    Hi! i want to spilt the 16bit word into two 8bit words, is there any key words for it. i use the p89V51 mcu and c language Cx51 keil compiler ver3. regards, K.T.Venkatesan.
  • How to divide a 64-bit variable.
    Hi, I'm using the Keil uVision compiler. I would like to work with 64-bit values. I declare myVar as unsigned long long; By some calculation myVar contains a value greater than 2^32 for example...
  • C51: Word Alignment in Keil C51
    How I can turn-on word alignment in Keil C51? I have such definition of USB-descriptors for Cypress EZ-USB chip CY7C68013: const DEVICEDSCR code TestSyncSlave_DeviceDescriptor = { // Device descriptor...