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38D5 Datasheet(PDF) 33 Page - Renesas Technology Corp |
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38D5 Datasheet(HTML) 33 Page - Renesas Technology Corp |
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33 / 141 page  Rev.3.01 Aug 08, 2007 Page 33 of 134 REJ03B0158-0301 38D5 Group A key input interrupt is controlled by the key input control register and port direction registers. When the key input interrupt is enabled, set “1” to the key input control register. A key input of any pin of ports P20 −P23, P44−P47 that have been set to input mode is accepted. Fig. 24 Structure of key input control register P44 key input control bit P45 key input control bit P46 key input control bit P47 key input control bit P20 key input control bit P21 key input control bit P22 key input control bit P23 key input control bit b7 Key input control register (KIC : address 0FF716) 0 : Key input interrupt disabled 1 : Key input interrupt enabled b0 |
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