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You are here: Home / Replies / i have another problem with

i have another problem with

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Microcontroller › 8051 › problem with 16X2 LCD › i have another problem with

September 9, 2012 at 3:03 pm #8556
chandrasekhar
Participant

i have another problem with downloading the code in to mc through serial port

 

when switch on the power supply.then terminal shows the o/p all the 4 cases i.e
1.db9 connector 2&3 pins short
2.max-232 13 &14 pins short.
3.max-232 11&12 pins short.
4.microcontroller 10&11 pins short.
 
but when i tried to download the code in to the mc.
 
it is showing reset the device in to isp mode now .
 
even though after pressing the reset switch also.
please anyone help where is the problem

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