20.07.2015 Views

M16C/62 Group DATASHEET

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Programmable I/O PortMitsubishi microcomputers<strong>M16C</strong> / <strong>62</strong> <strong>Group</strong>SINGLE-CHIP 16-BIT CMOS MICROCOMPUTERPull-up selectionP87Direction registerData busPort latch(Note)fcRfPull-up selectionP86Direction register"1"RdData busPort latchOutput(Note)Note :symbolizes a parasitic diode.Do not apply a voltage higher than Vcc to each port.Figure 1.23.4. Programmable I/O ports (4)BYTEBYTE signal input(Note2)(Note1)CNVSSCNVSS signal input(Note2)(Note1)RESETRESET signal input(Note1)Note 1: symbolizes a parasitic diode.Do not apply a voltage higher than Vcc to each pin.Note 2: A parasitic diode on the VCC side is added to the mask ROM version.Do not apply a voltage higher than Vcc to each pin.Figure 1.23.5. I/O pins170

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