* 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.
UPD8255
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.
📁 Related Datasheet
UPD8251 PROGRAMMABLE COMMUNICATIONS INTERFACE (NEC)
UPD8251A PROGRAMMABLE COMMUNICATIONS INTERFACE (NEC)
UPD8251AF PROGRAMMABLE COMMUNICATIONS INTERFACE (NEC)
UPD8253 PROGRAMMABLE INTERVAL TIMER (NEC)
UPD8253-5 PROGRAMMABLE INTERVAL TIMER (NEC)
UPD8255A Programmable Peripheral Interface (NEC)
UPD8255A-5 PROGRAMMABLE PERIPHERAL INTERFACES (NEC)
UPD8257 Programmable DMA Controller (NEC)
UPD8257-5 PROGRAMMABLE DMA CONTROLLER (NEC)
UPD8259 PROGRAMMABLE INTERRUPT CONTROLLER (NEC)
