Eventually, [Matt] stumbled across this awesome resource for 8051 programming ... realize this 30-year-old chip has 32 IO pins. This microcontroller, along with its bigger brother the 8052 ...

The DP8051 soft core is 100% binary-compatible with the industry standard 8051 8-bit microcontroller. There are two configurations of DP8051: Harvard, where internal data and program buses are ...

Each of DCD's 8051 Cores has a built-in support for the ... read/write any contents of microcontroller, including all registers, internal and external program memories and all SFRs, including user ...