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4559 Datasheet(PDF) 9 Page - Renesas Technology Corp |
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4559 Datasheet(HTML) 9 Page - Renesas Technology Corp |
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9 / 148 page  Rev.1.04 Aug 23, 2007 Page 9 of 146 REJ03B0188-0104 4559 Group PORT BLOCK DIAGRAM Fig 3. Port block diagram (1) FR20 D4(Note 2) S R Q Notes 1. This symbol represents a parasitic diode on the port. 2. Applied potential to these ports must be VDD or less. 3. i represents bits 0 to 3. 4. As for details, refer to the external interrupt structure. Register Y Decoder Skip decision SZD instruction SD instruction RD instruction CLD instruction FR1i (Note 1) D0 −D3 (Note 2) S R Q D5/INT(Note 2) External 0 interrupt External 0 interrupt circuit Key-on wakeup input Timer 1 count start synchronous circuit input FR21 S R Q (Note 1) (Note 1) (Note 1) (Note 1) (Note 1) (Note 3) Register Y Decoder Skip decision SZD instruction SD instruction RD instruction CLD instruction Register Y Decoder Skip decision SZD instruction SD instruction RD instruction CLD instruction (Note 4) |
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