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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!
what does RE mean in case of 89C51RE2 ??
The manufacturer's datasheet will explain the part numbering scheme
RE means RAM EMABLED
So you think that other chips have the RAM dis-abled?!