* of the pCOM-43 family, except that it has 21 I/O lines in a 28-pin dual-in-line package to reduce device cost. The pP0557 L executes all 80 instructions of the pCOM-43 instruction set. PIN CONFIGURATION Cl, PCo 2 PC, 3 PC2 4 PC3 5 PDO 6 PD, 7 pPO PD2 8 557L PD3 9 PEO PEl PE2 PE3 VSS Clo VGG RESET
UPD557L
NEC
106.88 KB
4-bit single chip microcomputer.
NEe Microcomputers, Inc.
4-81T SINGLE CHIP MICROCOMPUTER
NEe
JLPD557L
DESCR IPTION
The pP0557L is a pCOM-43 4-bit single chip microcomputer with hi.
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