9.7
Port C
Port C is a general I/O port also functioning as an external oscillation pin and clock output pin.
Each pin of the port C is shown in figure 9.7. The register setting of CKCSR has priority for
functions of the pins for both uses.
Port C has the following registers.
• Port control register C (PCRC)
• Port data register C (PDRC)
Rev. 1.00, 11/03, page 130 of 376
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PC1/OSC2/CLKOUT
Port C
PC0/OSC1
Figure 9.7 Port C Pin Configuration