Nxp 8 bit cmos microcontrollers nxp 80c32 the 80c332 is a high performance static 80c51 design fabricated high density cmos technology with operation from 27 v to 55 vthe 80c32 romless devices contain a 256 x 8 ram 32 io lines three 16 bit countertimers a six source four priority level nested interrupt structure a serial io port for either multi processor communications io expansion or full duplex uart and on chip oscillator and clock circuits nxp 80c32 8 bit cmos microcontroll