Model:P89V51RD2FA,512 BRAND:NXP SERIES:89V pack:Pipe fittings Part status:Discontinued Core processor:8051 speed:40MHz Coprocessor/DSP:SPI,UART/USART RAM Controller:Undervoltage detection/reset,POR,PWM,WDT Voltage:4.5V ~ 5.5V Operating temperature:- Safety features:interior Encapsulation/Shell:-40°C ~ 85°C(TA) Supplier device packaging:Surface mount type description:IC MCU 8BIT 64KB FLASH 44PLCC