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Hiii, I need help to program the Philips Microcontroller. I am using the P89C51RD2. and i want to program it with flash magic soft ware.Now can anybody tell me the pinout connection of MAX232 with Microcontroller with DB9 connector?
I am mentioning my connection over here so please tell me are these right connection or not?
Controller MAX232
pin 11(TxD) pin 11 pin 10(RxD) pin 12 pin 7(p1.6) pin 9 pin 7(p1.7) pin 10
These are connection of Microcontroller with MAX232 IC. Now mentioning connection of MAX232 with DB9 connector.
MAX232 DB9
Pin 8 pin 4 pin 7 pin 6 pin 13 pin 3 pin 14 pin 2
So please tell me whether these connections are ok or some problem in that.
Rather than "need help" - which tells nothing about your post - please use a meaningful, descriptive title!
Anyhow, why not take a look at how others do it?
eg, you can download Keil's schematics: http://www.keil.com/boards/8051.asp