8-bit MCU; 32kB-FL; 1,25kB-RAM; 2kB-EE; 34 I/O; 3V~5,5V; 40MHz; A/D; UART; -40°C ~ 85°C; Odpowiednik: AT89C51AC2-SLSIM; AT89C51AC2-SLSU; AT 89 C 51 AC2-SLSUM;