help me pls in AT89S52 programming p

Thread Starter

mohlandmine

Joined May 2, 2009
2
hi all
i use AT89S52 which is 8051 micro
i interface the micro woth M74HC151B1 to increase the number of input pins
now how i can demultiplexing the 8's inputs internal the micro itself
and how i generate the three addresses to select the first input to go to the micro then the second and so,on 0101010101..../001100110011..../000111000111.... continuaslly

pls see the M74HC151B1 datasheet to now what i mean

thanks

who help aothers he help himself
 

rushi53

Joined May 8, 2009
21
hi all
i use AT89S52 which is 8051 micro
i interface the micro woth M74HC151B1 to increase the number of input pins
now how i can demultiplexing the 8's inputs internal the micro itself
and how i generate the three addresses to select the first input to go to the micro then the second and so,on 0101010101..../001100110011..../000111000111.... continuaslly

pls see the M74HC151B1 datasheet to now what i mean

thanks

who help aothers he help himself


Connect Pin 9, Pin 10, Pin 11 of Multiplexer to Any port of Microcontroller
These are A B C pins of Multiplexer

Please let me know if you need any help
__________________
Thanks,
Rushikesh
www.projectsof8051.com
 
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