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serial connection b/w micro and PC

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markids

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hey
i want to interface my microcontroller 89C52 with PC hyperterminal
how shoul i connect the serial connectors at both ends??????


tx-tx
rx-rx
gnd-gnd ????
 

TX(PC)-to-RX(micro) ..
RX(PC)-to-TX(micro) ..
GND-to-GND ..

Use MAX232 (or similar) as level converter ..
(1mF ==> 1µF)

Regards,
IanP
 

hi,

u have to make the Null modem configration b/w the PC and controller card

AT PC End

pin 4 and pin 6 (Short)
pin 8 and pin 7 (short)

and for TX and RX use cross cable configration

if any qurey then feel free to ask (about programming)

5_1168086391.JPG
 

Hi

I think we may not need the following - it is already shorted at PC END

AT PC End

pin 4 and pin 6 (Short)
pin 8 and pin 7 (short)
 

other references:

**broken link removed**

thanks
 

ashad wrote :
AT PC End

pin 4 and pin 6 (Short)
pin 8 and pin 7 (short)
Click to expand...

Ignore above connection if you set HyperTerminal's Com Property - Port Setting - Flow Control = NONE
 

**broken link removed**

this link tells about hyperterminal and AVR uC interfacing

bibin john
www.bibinjohn.tk
 

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