P89LPC9201/9211/922A1/9241/ 9251 8-bit microcont.
NXP
P89LPC9251 - (P89LPC92xx) 8-bit Microcontroller
P89LPC9201/9211/922A1/9241/ 9251 8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB 3 V byte-erasable flash with 8-bit ADC .