Port C; Port C Data Direction Register (Pcddr) - Renesas H8S Series Hardware Manual

8.12

Port C

Port C is an 8-bit I/O port. Port C pins also function as the wake-up event inputs, noise cancel
input pins, and LPC input/output pins. Port C has the following registers. PCDDR and PCPIN
have the same address.

• Port C data direction register (PCDDR)

• Port C output data register (PCODR)
• Port C input data register (PCPIN)
• Port C Nch-OD control register (PCNOCR)
• Noise canceller enable register (PCNCE)
• Noise canceller decision control register (PCNCMC)
• Noise cancel cycle setting register (PCNCCS)
8.12.1 Port C Data Direction Register (PCDDR)
The individual bits of PCDDR specify input or output for the pins of port C.
Bit Bit Name
7 PC7DDR
6 PC6DDR
5 PC5DDR
4 PC4DDR
3 PC3DDR
2 PC2DDR
1 PC1DDR
0 PC0DDR
Initial Value R/W
0 W
0 W
0 W
0 W
0 W
0 W
0 W
0 W
Description
The corresponding port C pins are output ports
when the PCDDR bits are set to 1, and input ports
when cleared to 0.
Rev. 3.00 Jul. 14, 2005 Page 209 of 986
Section 8 I/O Ports
REJ09B0098-0300