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HEllo Everyone
I am also getting same kind of problem and the possible reason, Which I have understood is as follows. The Mode 1 of SMOD serial Communication, frames the bit as 10 bit frame 1 start, 8 data bit and 1 stop bit. bUt the hyper terminal assumes 9 bit frame 8-data bit and 1 stop bit...
You are right sir, but the point is if make SCON as 0x40 (in order to not activate REN) , then also the isr of receive gets activated.
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Now I could figure out that, it was my mistake assuming serial int isr as receive isr , Now that is cleared but please clear me one more...
HI
MCU 89c51, baud rate same 19200
I am facing a problem while serial interfacing of two MCU or one MCU with virtual terminal .
Actually whenever one bit gets transmitted, the receive ISR of MCU gets triggered automatically, but there is no request from other mcu.
Then it never come out also...
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