The 8051 is an accumulator-based design with 255 instructions. A basic instruction cycle takes 12 clocks; however, Dallas Semiconductor redesigned the instruction-execution circuitry to reduce the ...

OneEighty Software has created a Java virtual machine that can run on cheap $1 processors such as the venerable, yet popular, 8051. Called Origin-J, the software is aimed at bringing Java to low cost ...

FPGAs enable everyone to be a chip designer. This installment shows how to design the bus interface for a generic peripheral chip. When designing with an embedded microprocessor, you always have to ...

January 30, 2001, DesignCon, Santa Clara, California - Semiconductor intellectual property (IP) provider CAST, Inc. today announced the availability of two new microprocessor cores, the R8051 and the ...

The MCS 151 and 251 cores are binary-code-compatible with the 8051. (The 251 has additional instructions.) The 151 maintains the 80C51 accumulator-based core compatibility, and the 251 is a ...