Renesas H8S/2318 series, Hardware Manual

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Rev. 5.00, 12/03, page 263 of 1088
Port C MOS Pull-Up Control Register (PCPCR)
Bit : 7 6 5 4 3 2 1 0
PC7PCR PC6PCR PC5PCR PC4PCR PC3PCR PC2PCR PC1PCR PC0PCR
Initial value : 0 0 0 0 0 0 0 0
R/W : R/W R/W R/W R/W R/W R/W R/W R/W
PCPCR is an 8-bit readable/writable register that controls the MOS input pull-up function
incorporated into port C on an individual bit basis.
When PCDDR bits are cleared to 0 (input port setting) in mode 6 or 7, setting the corresponding
PCPCR bits to 1 turns on the MOS input pull-up for the corresponding pins.
PCPCR is initialized to H'00 by a reset, and in hardware standby mode. It retains its prior state in
software standby mode.
8.8.3 Pin Functions
Modes 4 and 5: In modes 4 and 5, port C pins are automatically designated as address outputs.
Port C pin functions in modes 4 and 5 are shown in figure 8-14.
A7 (output)
A6 (output)
A5 (output)
A4 (output)
A3 (output)
A2 (output)
A1 (output)
A0 (output)
Port C
Figure 8-14 Port C Pin Functions (Modes 4 and 5)