Realtek RTL836x series of Ethernet switch ICs has a 8051 hidden inside
Honest, tangentially related question from someone unfamiliar with the field:Why are we still using old 80xx chips in embedded applications? Expired patents? Existing toolchain? Inertia?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.