4552 Datasheet, PDF (121/145 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4552 Group
Skip condition
Datailed description
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– Transfers the input of port P0 to register A.
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– Outputs the contents of register A to port P0.
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– Transfers the input of port P1 to register A.
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– Outputs the contents of register A to port P1.
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– Transfers the input of port P2 to register A.
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– Outputs the contents of register A to port P2.
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– Sets (1) to all port D.
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– Clears (0) to a bit of port D specified by register Y.
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– Sets (1) to a bit of port D specified by register Y.
(D(Y)) = 0
– Skips the next instruction when a bit of port D specified by register Y is “0.” Executes the next instruction
However, (Y)=0 to 5
when a bit of port D specified by register Y is “1.”
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– Clears (0) to port C.
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– Sets (1) to port C.
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– Transfers the contents of pull-up control register PU0 to register A.
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– Transfers the contents of register A to pull-up control register PU0.
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– Transfers the contents of pull-up control register PU1 to register A.
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– Transfers the contents of register A to pull-up control register PU1.
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– Transfers the contents of key-on wakeup control register K0 to register A.
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– Transfers the contents of register A to key-on wakeup control register K0.
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– Transfers the contents of key-on wakeup control register K1 to register A.
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– Transfers the contents of register A to key-on wakeup control register K1.
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– Transfers the contents of key-on wakeup control register K2 to register A.
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– Transfers the contents of register A to key-on wakeup control register K2.
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– Transferts the contents of register A to port output structure control register FR0.
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– Transferts the contents of register A to port output structure control register FR1.
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– Transferts the contents of register A to port output structure control register FR2.
Rev.3.02 Dec 22, 2006 page 121 of 142
REJ03B0023-0302