UPD552 PDF File ( Datasheet )

NEe Microcomputers, Inc. NEe JLPD552 4·81T SINGLE CHIP MICROCOMPUTER D ESC RIPTION The .uPD552 is a .uCOM-44 4-bit single chip microcomputer with high voltage outputs that can be pulled to -35V for direct interfacing to vacuum fluorescent displays_ The .uPD552 is manufactured with a standard PMOS process, allowing use of a single -10V power supply. The .uPD552 provides all of the hardware features of the .uCOM-44 family, and executes all 58 instructions of the .uCOM-44 instruction set. PIN