* unique to each of the ports. Port A = An 8-bit data output latch/buffer and data input latch. Port B = An 8-bit data input/output latch/buffer and an 8-bit data input buffer.
UPD8255A-5 Datasheet (374.28 KB)
UPD8255A-5
NEC
374.28 KB
Programmable peripheral interfaces.
NEe Microcomputers, Inc. NE'C fLPD8255 fLPD8255A 5 PROGRAMMABLE PERIPHERAL INTERFACES D ESCR I PTI ON The IlPD8255 and IlPD8255A-5 are general.
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