UPD7801

NEe Microcomputers, Inc. NEe ,u.PD7801 HIGH END SINGLE CHIP 8-BIT MICROCOMPUTER WITH 4K ROM PRODUCT DESCRIPTION FEATURES PIN CONFIGURATION The NEe ,uPD7801 is an advanced 8-bit general purpose single-chip microcomputer fabricated wIth N-Channel Silicon Gate MOS technology. The NEe ,uPD7801 is intended to serve a broad spectrum of 8-bit designs ranging from enhanced single chip applications extending into the multi -chip microprocessor range. All the basic functional blocks - 4096 x 8 of ROM program memory, 128 x 8 of RAM data memory, 8-bit ALU, 48 1/0 lines, Serial I/O port, 12-bit timer. and clock generator are provided on-chip to enhance stand-alone applications. Fully compatible with the industry standard 80S0A bus structure, expanded system operation can be easily implemented using any of the 8080A/SOS5A peripherals and memory products. Total memory space can be increased to 64K bytes. The powerful 140 instruction set coupled with 4K bytes of ROM program memory and 128 bytes of...