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UPD550L

Part Number	UPD550L
Manufacturer	NEC
Description	4-BIT SINGLE CHIP MICROCOMPUTER
Published	Feb 24, 2017
Detailed Description	NEe Microcomputers, Inc. 4-81T SINGLE CHIP MICROCOMPUTER NEe JLPD550L DESCRIPTION The tlPD550L is a tlCOM-45 4-bit si...
Datasheet	UPD550L PDF File

Overview

NEe Microcomputers, Inc.
4-81T SINGLE CHIP MICROCOMPUTER NEe JLPD550L DESCRIPTION The tlPD550L is a tlCOM-45 4-bit single chip microcomputer with high voltage outputs, and low power consumption.
The outputs can be pulled to -35V for direct interfacing to vacuum fluorescent displays.
The tlPD550L is manufactured with a lowpower-consumption PMOS process, allowing use of a -8V, low current power supply.
The tlPD550L provides all of the hardware features of the tlCOM-45 family, except that it has a 640 x 8 bit ROM to reduce device cost.
The tlPD550L executes all 58 instructions of the tlCOM·45 instruction set.
PIN CONFIGURATION Cl, PCo 2 PC, 3 PC2 4 PC3 5 POo 6 PO, 7 tlPD P02 8 550L P03 9 PE...

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