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Uart bootloader for Atmel89s52

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rabin2801

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hi,
i want to programme atmel 89s52 just using serial coomunication...no ISP programmer..
just At89s52->MAX232->PC...
this connection can programme the chip..As well as use for Serial communication..
is this possible?????????????
plz reply???????????????:roll::roll::roll::roll:
 

hi

had you read the data sheet of AT89S52?
what did it says?

ml
 

The AT89S52 does not have In-Application Programming feature. Main part of an bootloader is flashing in runtime. The only solution that I see is to use an external flash.
 
go for an 89C51ED2, RD2, or a variation thereof (if you can find any!)
These are all programmable through the serial port when PSEN is low.
 

ctownsend said:
go for an 89C51ED2, RD2, or a variation thereof (if you can find any!)
These are all programmable through the serial port when PSEN is low.
Click to expand...

What is the software for programming?
is any other hardware needed except the MCu and MAX232?????????????
 

rabin2801 said:
What is the software for programming?
is any other hardware needed except the MCu and MAX232?????????????
Click to expand...

For the AT89C51ED2 I use atmel's program called "FLIP". I create a batch file and just double click it to program the device with batchisp.
Easiest way to program the chip. Just install a jumer on PSEN to GND, and click the bat file. Easy.
 

rabin2801 said:
hi,
i want to programme atmel 89s52 just using serial coomunication...no ISP programmer..
just At89s52->MAX232->PC...
this connection can programme the chip..As well as use for Serial communication..
is this possible?????????????
plz reply???????????????:roll::roll::roll::roll:
Click to expand...

not possible but you have to change the micro controller newer versions
 

I am not sure about serial communication on programming.. U need a master driver for this...Please tell me whats wrong on ISP programming.
 

hi

you can use NXP controllers and program in via serial port using flash magic

ml
 
deva said:
I am not sure about serial communication on programming.. U need a master driver for this...Please tell me whats wrong on ISP programming.
Click to expand...

Extra Hardware needed................Extra cost
 

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