P89V51RB2/RC2/RD2 is an 80C51 microcontroller, including 16/32/64kB Flash and 1024 bytes of data RAM. P89V51RB2/RC2/RD2 typical feature is its X2 mode option. Using this feature, engineers can design the application to the conventional 80C51 clock rate (per machine cycle consists of 12 clock) or X2 mode (each machine cycle consists of six clock) clock frequency operation, select the X2 mode in the same clock frequency was two times the throughput. Benefit from the characteristics of an alternative method is to halve the clock frequency while maintaining the same characteristics, this can greatly reduce the electromagnetic interference (EMI).

P89V51RB2RC2RD2 器件手册\P89V51RB2_RC2_RD2-3_cn.pdf
P89V51RB2RC2RD2 器件手册

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