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4559 Datasheet, PDF (129/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |||
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4559 Group
Skip condition
Detailed description
â
â Clears (0) to interrupt enable flag INTE, and disables the interrupt.
â
â Sets (1) to interrupt enable flag INTE, and enables the interrupt.
V10 = 0 : (EXF0) = 1
(INT) = âLâ
However, I12 = 0
(INT) = âHâ
However, I12 = 1
â
â When V10 = 0 : Clears (0) to the EXF0 flag and skips the next instruction when external 0 interrupt request
flag EXF0 is â1â. When the EXF0 flag is â0â, executes the next instruction.
When V10 = 1 : This instruction is equivalent to the NOP instruction. (V10: bit 0 of interrupt control register
V1)
â When I12 = 0 : Skips the next instruction when the level of INT pin is âLâ. Executes the next instruction when
the level of INT0 pin is âHâ.
When I12 = 1 : Skips the next instruction when the level of INT pin is âHâ. Executes the next instruction when
the level of INT0 pin is âLâ. (I12: bit 2 of interrupt control register I1)
â Transfers the contents of interrupt control register V1 to register A.
â
â Transfers the contents of register A to interrupt control register V1.
â
â Transfers the contents of interrupt control register V2 to register A.
â
â Transfers the contents of register A to interrupt control register V2.
â
â Transfers the contents of interrupt control register I1 to register A.
â
â Transfers the contents of register A to interrupt control register I1.
â
â Transfers the contents of register A (A0) to timer control register PA.
â
â Transfers the contents of timer control register W1 to register A.
â
â Transfers the contents of register A to timer control register W1.
â
â Transfers the contents of timer control register W2 to register A.
â
â Transfers the contents of register A to timer control register W2.
â
â Transfers the contents of timer control register W3 to register A.
â
â Transfers the contents of register A to timer control register W3.
â
â Transfers the contents of timer control register W4 to register A.
â
â Transfers the contents of register A to timer control register W4.
Rev.1.04 Aug 23, 2007 Page 129 of 146
REJ03B0188-0104
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