Model:P89LPC9321FDH,518 BRAND:NXP SERIES:LPC900 pack:tape (TR),Shear zone(CT),Digi-Reel? Part status:Discontinued Core processor:8051 speed:18MHz Coprocessor/DSP:I2C,SPI,UART/USART RAM Controller:Undervoltage detection/reset,POR,PWM,WDT Voltage:2.4V ~ 3.6V Operating temperature:- Safety features:interior Encapsulation/Shell:-40°C ~ 85°C(TA) Supplier device packaging:Surface mount type description:IC MCU 8BIT 8KB FLASH 28TSSOP