The 8051 was introduced by Intel 40 years ago, and CAST has been offering 8051-compatible microcontroller IP cores since 1997. These modern 8051s retain backward compatibility — preserving the ...

8051 IP Cores About the 8051-Compatible MCU Family The 8051-Compatible Microcontroller IP Cores Family available from CAST is a cost-effective range of MCS-51 conforming 8- and 16-bit microcontrollers ...

The Z80, 180, and 380 processor families represent three generations of upward-compatible µPs. The Z80 includes 150 instructions, many of which have numerous variants for operand location and ...

At the introduction of the 12,000 gate 32bit ARM Cortex M0 recently, an ARM spokesman told EW the M0 was close to the 10,000 gates normally occupied by the 8bit 8051 microcontroller. Inspired by this, ...