Renesas H8S Series Hardware Manual page 187

PC3/TxD1: The pin function is switched as shown below according to the operating mode, bit TE
in the SCI1's SCR, and bit PC3DDR.
TE
PC3DDR
Pin function
PC2/SCK0/IRQ4: The pin function is switched as shown below according to the operating mode,
bit C/A in the SCI0's SMR, bits CKE0 and CKE1 in SCR, and bit PC2DDR.
CKE1
C/A
CKE0
PC2DDR
Pin function PC2 input
IRQ4 input
PC1/RxD0: The pin function is switched as shown below according to the operating mode, bit RE
in the SCI0's SCR, and bit PC1DDR.
RE
PC1DDR
Pin function
PC0/TxD0: The pin function is switched as shown below according to the operating mode, bit TE
in the SCI0's SCR, and bit PC0DDR.
TE
PC0DDR
Pin function
0
0
PC3 input
0
0
0 1
PC2 output
0
0
PC1 input
0
0
PC0 input
1
PC3 output
0
1
—
SCK0 output SCK0 output
1
PC1 output
1
PC0 output
Rev. 6.00 Mar 15, 2006 page 151 of 570
Section 9 I/O Ports
1
—
TxD1 output
1
1 —
— —
— —
SCK0 input
1
—
RxD0 input
1
—
TxD0 output
REJ09B0211-0600