TM89P59 Description
The TM89P59 is a One Time PROM embedded high-performance 4-bit microcontroller with LCD driver on a chip. It contains all the necessary functions, such as 4-bit parallel processing ALU, ROM, RAM, I/O ports, timer, clock generator, dual clock operation, Resistance to Frequency Converter(RFC), EL panel driver, LCD driver, look-up table, watchdog timer and key matrix scanning circuitry on a signal chip.