80C51RA microcontroller equivalent, 8-bit microcontroller.
make it an even more powerful microcontroller for applications that require pulse width modulation, high-speed I/O and up/down counting capabilities such as motor control.
requiring 4K ROM/EPROM, see the 8XC51/80C31 8-bit CMOS (low voltage, low power, and high speed) microcontroller families.
Three different Single-Chip 8-Bit Microcontroller families are presented in this datasheet:
* 8XC54/8XC58
* 80C51FA/8XC51FA/8XC51FB/8XC51FC
* 80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+
For applications requiring 4K ROM/EPROM, see the 8X.
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