UM8031

eUMC UMBOS1 / UMB031 ======::::Single Chip 8-Bit Microcomputer Features 4K x BROM 128 x 8 RAM Four 8-bit ports, 32 I/O lines Two 16-bit timer/event counters High-performance full-duplex serial channel External memory expandable to 128K Boolean processor UM8048 architecture enhanced with: Non-paged jumps Direct addressing Four 8-register banks Stack depth up to 128 -bytes Multiply, divide, subtract, compare Most instructions execute in 1~s 4~s multiply and divide General Description The UM8051/8031 is a stand-alone, high-performance single-chip computer fabricated with UMC's highly-reliable +5 Volt, NMOS technology and packaged in a 40-pin DIP. It provides the hardware features, architectural enhancements and new instructions that are necessary to make it a. powerful·and cost effective controller for applications requiring up to 64K bytes of program memory and/or up to 64K bytes of data storage. The UM8051/8031 contains a n...