259
5.12
Port C
5.12.1
Overview
Port C is an 8-bit I/O port. Port C pins also function as address bus outputs. The pin functions
change according to the operating mode.
Port C has a built-in MOS input pull-up function that can be controlled by software.
Figure 5.11 shows the port C pin configuration.
PC7 / A7
PC6 / A6
PC5 / A5
PC4 / A4
PC3 / A3
PC2 / A2
PC1 / A1
PC0 / A0
Port C
Port C pins
A7 (output)
A6 (output)
A5 (output)
A4 (output)
A3 (output)
A2 (output)
A1 (output)
A0 (output)
Pin functions in modes 1, 2, 5, and 6
Pin functions in mode 4
PC7 (input) / A7 (output)
PC6 (input) / A6 (output)
PC5 (input) / A5 (output)
PC4 (input) / A4 (output)
PC3 (input) / A3 (output)
PC2 (input) / A2 (output)
PC1 (input) / A1 (output)
PC0 (input) / A0 (output)
Pin functions in mode 7
PC7 (I/O) / A7 (output)
PC6 (I/O) / A6 (output)
PC5 (I/O) / A5 (output)
PC4 (I/O) / A4 (output)
PC3 (I/O) / A3 (output)
PC2 (I/O) / A2 (output)
PC1 (I/O) / A1 (output)
PC0 (I/O) / A0 (output)
Figure 5.11 Port C Pin Functions
Summary of Contents for H8S/2670
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