HD6432345 Datasheet, PDF(266/907 Page) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

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HD6432345 Datasheet, PDF (266/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

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8.8 Port C

8.8.1 Overview

Port C is an 8-bit I/O port. Port C has an address bus output function, and 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 8.13 shows the port C pin configuration.

Port C

Port C pins

PC7/ A7

PC6/ A6

PC5/ A5

PC4/ A4

PC3/ A3

PC2/ A2

PC1/ A1

PC0/ A0

Pin functions in modes 1, 4, and 5*

A7 (output)

A6 (output)

A5 (output)

A4 (output)

A3 (output)

A2 (output)

A1 (output)

A0 (output)

Pin functions in modes 2 and 6*

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 modes 3 and 7*

PC7 (I/O)

PC6 (I/O)

PC5 (I/O)

PC4 (I/O)

PC3 (I/O)

PC2 (I/O)

PC1 (I/O)

PC0 (I/O)

Note: * Modes 1 to 3 are not available on the F-ZTAT version.

Modes 2, 3, 6, and 7 are not available on the ROMless version.

Figure 8.13 Port C Pin Functions

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