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4556 Datasheet(PDF) 7 Page - Renesas Technology Corp |
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4556 Datasheet(HTML) 7 Page - Renesas Technology Corp |
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7 / 145 page  Rev.3.02 Dec 22, 2006 page 7 of 142 REJ03B0025-0302 4556 Group CONNECTIONS OF UNUSED PINS Connection Connect to VSS. Open. Connect to VSS. Open. Open. Connect to VSS. Open. Connect to VSS. Open. Open. Connect to VSS. Open. Connect to Vss. Open. Connect to Vss. Open. Open. Open. Open. Open. Pin XIN XOUT XCIN/D6 XCOUT/D7 D0–D4 D5/INT C/CNTR P00/SEG21– P03/SEG24 P10/SEG25– P13/SEG28 P20/SEG17– P23/SEG20 COM0–COM3 SEG0/VLC3 SEG1/VLC2 SEG2/VLC1 SEG3–SEG10 (Note) Usage condition RC oscillator is not selected N-channel open-drain is selected for the output structure. INT pin input is disabled. N-channel open-drain is selected for the output structure. CNTR input is not selected for timer 1 count source. The key-on wakeup function is invalid. Segment output is not selected. N-channel open-drain is selected for the output structure. Pull-up transistor is OFF. The key-on wakeup function is invalid. The key-on wakeup function is invalid. Segment output is not selected. N-channel open-drain is selected for the output structure. Pull-up transistor is OFF. The key-on wakeup function is invalid. Segment output is not selected. N-channel open-drain is selected for the output structure. SEG0 pin is selected. SEG1 pin is selected. SEG2 pin is selected. Note: SEG11 to SEG16 pins are not existed in the 4556 Group. (Note when connecting to VSS and VDD) q Connect the unused pins to VSS and VDD using the thickest wire at the shortest distance against noise. |
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