[SOLVED] need logic for read 24 bit on evry falling edge of clk pin

ud23 · Aug 22, 2013

hi alll i want to read the 24 bit data on the 8051 from a sensor who's output is 24 bit i want to declare a bit array but i don't able to declare bit array . any one knw how we can declare the 24 bit array then i can convert it in to 3 bytes.

or any other way to read 24 bits on every falling edge.

i am using 8051 controller and keil compiler.

barry · Aug 22, 2013

C doesn't explicitly handle bit arrays, but you can still implement something that LOOKS like a bit array using char or int arrays. There are numerous examples out in internetland.

And what do you mean read on every falling edge? Do you mean your clock edge? If that's the case, you're out of luck because an 8051, if I remember correctly, executes one instruction for every FOUR clock edges? Or, do you have some slower sample clock you are using to latch the data? Could you give us more details about your design?

[SOLVED] need logic for read 24 bit on evry falling edge of clk pin

ud23

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barry

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[SOLVED] need logic for read 24 bit on evry falling edge of clk pin

ud23

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barry

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