Model:P80C557E4EFB/01,55 BRAND:NXP SERIES:80C pack:tray Part status:Discontinued Core processor:8051 speed:16MHz Coprocessor/DSP:EBI/EMI,I2C,UART/USART RAM Controller:POR,PWM,WDT Voltage:4.5V ~ 5.5V Operating temperature:A/D 8x10b Safety features:external part Encapsulation/Shell:-40°C ~ 85°C(TA) Supplier device packaging:Surface mount type description:IC MCU 8BIT ROMLESS 80PQFP