The Intel 83/87C51FA is a MCS-51 NMOS single-chip 8-bit microcontroller with PCA, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels, 8K Bytes On-Chip ROM, 256 Bytes on-chip RAM, Programmable Serial Channel with Framing Detection and Automatic Address Recognition.
