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MC14469FN 데이터 시트보기 (PDF) - Motorola => Freescale
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MC14469FN
Addressable Asynchronous Receiver/Transmitter
Motorola => Freescale
MC14469FN Datasheet PDF : 12 Pages
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RESET
CLEAR COMMAND LATCH
RESET SEL
RESET VAL
INITIALIZE RECEIVER
Y
MSB
N
= 1?
Y
VAL
SET?
VAL
N
SET?
N
Y
Y
SEL
SET?
N
N
ADDRESS
VALID?
Y
SET
VAL
COMMAND
N
VALID?
Y
LATCH
COMMAND
ISSUE
CS
ISSUE
VAP
SET
SEL
N
8 BIT
TIMES?
Y
RESET
SEL
Figure 8. Flow Chart of MC14469 Operation
RESET
INITIALIZE
TRANSMITTER
N
SEND
=1?
Y
N
SEL
SET?
Y
RESET VAL
AND SEL
N
PREVIOUS
TRANSMISSION
COMPLETE?
Y
LATCH
STATUS
TRANSMIT
ID
TRANSMIT
STATUS
MC14469
8
MOTOROLA
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