The M55155/24XC02 is a microprocessor manufactured by Concord. It is a 32-bit CPU designed for embedded control applications, such as TV and monitor controllers, vending machines, and industrial automation. It runs at a maximum clock frequency of 24MHz and features 64KB of on-chip ROM, 16KB of RAM, a real-time clock and calendar, integrated counters and timers, six serial ports, and a keyboard/display interface. It is packaged in a 44-pin plastic leaded chip carrier.