Realtek RTL836x series of Ethernet switch ICs has a 8051 hidden inside
Honest, tangentially related question from someone unfamiliar with the field:<p>Why are we still using old 80xx chips in embedded applications? Expired patents? Existing toolchain? Inertia?<p>It’s hard to believe we couldn’t do better, cheaper and more power efficient solutions with all the tricks we’ve learned in those almost 40 years.