In my project i want to interface a GSM modem and 24c02C i.e EEPROM (I2C based)to microcontroller. so now i am not understanding whether can i use same Rx-Tx pins to interface microcontroller (89s52) to EEPROM and GSM modem as well?? if not then is there any other microcontroller of AT89cxx/AT89sxx family with 2 serial ports? and which will support embedded c and assembly too!
Is that a new alias you got mr Malund?
By the way - JTAG is nice. But a serial port for trace output can be invaluable anyway.
Is that a new alias you got mr Malund? Nope, sometimes the wonderful product from Mr. Gates land up in strange places when returning to a window.
fixed
a serial port for trace output can be invaluable anyway I have had more trouble than benefit from printf cebugging, it creates havoc on the timing. I have no doubt that thise that are more into 'processing' that I/O can find some value.
Erik