AT89C51RD2 /ED2 is high performance CMOS Flash version of the 80C51 , AT89C51RD2 /ED2 has a Programmable Counter Array, an XRAM of 1792 bytes, a Hardware Watchdog Timer, SPI , ) and a speed improvement mechanism (X2 Mode)
AT89C51RD2 /ED2 is high performance CMOS Flash version of the 80C51 , AT89C51RD2 /ED2 has a Programmable Counter Array, an XRAM of 1792 bytes, a Hardware Watchdog Timer, SPI , ) and a speed improvement mechanism (X2 Mode)