Difference Between the 89C51 Micro-controllers and 89S51
Following are the main differences between 89S51/S52 and 89C51/C52
*. In S series the main difference is that you can program the "S" verison through ISP (in application) or using very simple programmers, while the"C" version still needs "full" parallel programmer . Where ISP stands for In System Programming
*. 89s51 has more new feature than 89c51 such as Watchdog Timer
*. s 51 is more cheaper than c 51 . Nowadays isp is common and easy to program. Better stick with s series.
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