APU429 Datasheet (Apuls Intergrated Circuits) - 4-Bit Micro-controller With LCD Driver

APU429, 4-Bit Micro-controller With LCD Driver

The APU429 is an embedded high performance 4-bit micro-computer with an on-chip LCD driver.

It contains all the necessary functions in a single chip: 4-bit parallel processing ALU, ROM, RAM, I/O ports, timer, clock generator, dual clock, RFC, EL-light, LCD driver, look-up table, watchdog timer and k

APU429 Features

* y Low power and low voltage operation y Powerful instruction set (150 instructions) y Memory capacity Ϋʳ Instruction ROM capacity 4096 x 16 bits Ϋʳ Index ROM capacity 256 x 8 bits Ϋʳ Internal RAM capacity 384 or 256 x 4 bits y Input/Output ports of up to 20 pins y 8-level subroutine nesting y