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uPD780065 Subseries PUM - Renesas Electronics

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4.1 Port Functions<br />

CHAPTER 4 PORT FUNCTIONS<br />

The μPD780065 <strong>Subseries</strong> products incorporate sixty input/output ports. Figure 4-1 shows the port configuration.<br />

Every port is capable of 1-bit and 8-bit manipulations and can carry out considerably varied control operations. Besides<br />

port functions, the ports can also serve as on-chip hardware input/output pins.<br />

Port 5<br />

Port 6<br />

Port 7<br />

⎧<br />

⎪<br />

⎪<br />

⎪<br />

⎨<br />

⎪<br />

⎪<br />

⎪<br />

⎩<br />

⎧<br />

⎪<br />

⎨<br />

⎪<br />

⎩<br />

⎧<br />

⎪<br />

⎪<br />

⎪<br />

⎨<br />

⎪<br />

⎪<br />

⎪<br />

⎩<br />

⎧<br />

⎪<br />

Port 8 ⎨<br />

⎪<br />

⎩<br />

Port 9<br />

⎧⎪<br />

⎨<br />

⎪⎩<br />

P50<br />

P57<br />

P64<br />

P67<br />

P70<br />

P77<br />

P80<br />

P84<br />

P90<br />

P92<br />

Figure 4-1. Port Types<br />

P00<br />

P07<br />

P20<br />

P27<br />

P30<br />

P37<br />

P40<br />

P47<br />

Preliminary User’s Manual U13420EJ2V0UM00<br />

⎧<br />

⎪<br />

⎪<br />

⎪<br />

⎨<br />

⎪<br />

⎪<br />

⎪<br />

⎩<br />

⎧<br />

⎪<br />

⎪<br />

⎪<br />

⎨<br />

⎪<br />

⎪<br />

⎪<br />

⎩<br />

⎧<br />

⎪<br />

⎪<br />

⎪<br />

⎨<br />

⎪<br />

⎪<br />

⎪<br />

⎩<br />

⎧<br />

⎪<br />

⎪<br />

⎪<br />

⎨<br />

⎪<br />

⎪<br />

⎪<br />

⎩<br />

Port 0<br />

Port 2<br />

Port 3<br />

Port 4<br />

71

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