D12320VF25V Datasheet, PDF (299/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

8.8 Port C
Section 8 I/O Ports
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 4 and 5
A7 (output)
A6 (output)
A5 (output)
A4 (output)
A3 (output)
A2 (output)
A1 (output)
A0 (output)
Pin functions in mode 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 mode 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 6 and 7 are not available in the ROMless versions.
Figure 8.13 Port C Pin Functions
Rev.7.00 Feb. 14, 2007 page 265 of 1108
REJ09B0089-0700