4502 Datasheet, PDF (99/116 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4502 Group
Skip condition
Datailed description
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(D(Y)) = 0 ?
(Y) = 0 to 5
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(C) = 1
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– Transfers the input of port P0 to register A.
– Outputs the contents of register A to port P0.
– Transfers the input of port P1 to register A.
– Outputs the contents of register A to port P1.
– Transfers the input of port P2 to the low-order 2 bits (A1, A0) of register A.
– Outputs the contents of the low-order 2 bits (A1, A0) of register A to port P2.
– Transfers the input of port P3 to the low-order 2 bits (A1, A0) of register A.
– Outputs the contents of the low-order 2 bits (A1, A0) of register A to port P3.
– Sets (1) to port D.
– Clears (0) to a bit of port D specified by register Y.
– Sets (1) to a bit of port D specified by register Y.
– Skips the next instruction when a bit of port D specified by register Y is “0.” Executes the next instruction
when a bit of port D specified by register Y is “1.”
– Sets (1) to port C.
– Clears (0) to port C.
– Skips the next instruction when the contents of port C is “1.”
Executes the next instruction when the contents of port C is “0.”
– Transfers the contents of port K to the bit 0 (A0) of register A.
– Outputs the contents of bit 0 (A0) of register A to port K.
– Transfers the contents of register A to key-on wakeup control register K0.
– Transfers the contents of key-on wakeup control register K0 to register A.
– Transfers the contents of register A to key-on wakeup control register K1.
– Transfers the contents of key-on wakeup control register K1 to register A.
– Transfers the contents of register A to key-on wakeup control register K2.
– Transfers the contents of key-on wakeup control register K2 to register A.
– Transfers the contents of register A to pull-up control register PU0.
– Transfers the contents of register A to pull-up control register PU1.
– Transfers the contents of register A to pull-up control register PU2.
Rev.3.01 2005.02.02 page 99 of 112
REJ03B0105-0301