UPD8251
NEC
1.02MB
Programmable communications interface. The}.lPD8251 and}.lPD8251A Universal Synchronous/Asynchronous Receiver/ Transmitters (USARTs) are designed for microcomputer systems
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UPD8251A - PROGRAMMABLE COMMUNICATIONS INTERFACE
(NEC)
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UPD8251AF - PROGRAMMABLE COMMUNICATIONS INTERFACE
(NEC)
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UPD8253 - PROGRAMMABLE INTERVAL TIMER
(NEC)
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UPD8253-5 - PROGRAMMABLE INTERVAL TIMER
(NEC)
NEe Microputers, Inc.
PROGRAMMABLE INTERVAL TIMER
NEe
p.PD8253 p.PD8253-5
DESCR IPTION
The NEC flPD8253-5 contains three independent, programmab.
UPD8255 - PROGRAMMABLE PERIPHERAL INTERFACES
(NEC)
NEe Microputers, Inc.
NE'C
fLPD8255 fLPD8255A·5
PROGRAMMABLE PERIPHERAL INTERFACES
D ESCR I PTI ON
The IlPD8255 and IlPD8255A-5 are general pur.
UPD8255A - Programmable Peripheral Interface
(NEC)
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UPD8255A-5 - PROGRAMMABLE PERIPHERAL INTERFACES
(NEC)
NEe Microputers, Inc.
NE'C
fLPD8255 fLPD8255A·5
PROGRAMMABLE PERIPHERAL INTERFACES
D ESCR I PTI ON
The IlPD8255 and IlPD8255A-5 are general pur.
UPD8257 - Programmable DMA Controller
(NEC)
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UPD8257-5 - PROGRAMMABLE DMA CONTROLLER
(NEC)
NEe Microputers, Inc.
NEe
JLPD8257 JLPD8257·5
PROGRAMMABLE DMA CONTROLLER
DESCR IPTION
The 1PD8257-5 is a programmable four-channel Direct Mem.
UPD8259 - PROGRAMMABLE INTERRUPT CONTROLLER
(NEC)
NEe Microputers, Inc.
~EC
f'PD8259 ,PD8259·5
PROGRAMMABLE INTERRUPT CONTROLLER
DESCRIPTION
The NEC pPD8259-5 is a programmable interrupt contr.