Device Core = 8051 / Data Bus Width bit = 8 / Instruction Set Architecture = CISC / Clock Frequency Max. MHz = 40 / Program Memory Type = Flash / Program Memory Size KB = 32 / Data Memory Size KB = 2 / RAM Memory Size KB = 1.28 / Interfaces = UART / ADC Channels = 8 / ADC Resolution bit = 10 / Number of Programmable I/Os = 34 / Number of Timers/Counters = 3 / Supply Voltage Min. V = 3 / Supply Voltage Max. V = 5.5 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 85 / Package Type = PLCC / Pins = 44 / Mounting Type = SMD / Packaging = Tube / Length mm = 16.66 / Width mm = 16.66 / Height mm = 4.06