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21 Cards in this Set
- Front
- Back
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Is Program Memory volatile or non-volatile?
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FLASH memory for program => non-volatile
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Is Data Memory volatile or non-volatile?
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SRAM for data => volatile
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What kind of memory does program memory use?
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flash
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What kind of memory does data memory use?
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SRAM
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Where are X, Y, Z registers?
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X is R27:R26, Y is R29:R28, Z is R31:R30
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Where does the X register start?
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R26
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Where does the Y register start?
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R28
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Where does the Z register start?
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R30
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How many interrupt vectors are there?
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35
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PORT D contains which interrupt pins?
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0-3
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PORT E contains which interrupt pins?
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4-7
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EICRA controls the detection of interrupts from which interrupt pins?
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0-3
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EICRB controls the detection of interrupts from which interrupt pins?
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4-7
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Where are the interrupt vectors located?
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Program memory addresses $0000-$0046 (0-70).
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Which interrupt vector corresponds to INT0?
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$0002
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How many GPRs are there?
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32
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Where are the GPRs located?
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R0-R31
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When you use the mul function, where is the result stored?
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R1:R0
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The LSB of the Z register distinguishes between what?
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8-bit and 16-bit constants stored in program memory.
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True or false: if the Zero flag is not set, the result is zero.
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False. If Z-flag is not set, result is not zero.
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What does .org represent?
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Address of next allocated memory byte.
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