8051 Microcontroller IC

The AT89C2051 is a 20 pin 8051 based microcontroller. It has a 2 KB Flash, a wide range of operating voltage of 2.7 – 6V, 15 I/O Lines, 2 16-bit Timer/Counters, 6 Interrupt Sources, a Programmable Serial UART Channel, Direct LED Drive Outputs, On-chip Analog Comparator, et