UPD554 microcomputer equivalent, 4-bit single chip microcomputer.
of the J,lCOM-45 family. and executes all 58 instructions of the J,lCOM-45 instruction set.
PIN CONFIGURATION
Cll PCo PC,
PC2 PCa POo PO, P02 POa PEO PEl PE2 PE3 VSS
C.
The J,lP0554 is the standard J,lCOM-45 4
*bit single chip microcomputer. with high voltage outputs that can be'pulled to -35V for direct interfacing to vacuum fluorescent displays. The J,lP0554 is manufactured with a standard PMOS process. allowi.
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