DS89C420 microcontroller equivalent, ultra-high-speed microcontroller.
a redesigned processor core that executes every 8051 instruction (depending on the instruction type) up to 12 times faster than the original for the same crystal speed. T.
see a speed improvement of 10 times using the same code and crystal. The DS89C420 offers a maximum crystal speed of 33MH.
The DS89C420 offers the highest performance available in 8051-compatible microcontrollers. It features a redesigned processor core that executes every 8051 instruction (depending on the instruction type) up to 12 times faster than the original for th.
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