HD6417750RF240V Datasheet, PDF (186/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 9 I/O Ports
9.6.6 Pin Functions
Port C pins also function as SCI_1 and SCI_0 I/O and interrupt input. The correspondence
between the register specification and the pin functions is shown below.
PC7: This pin function is switched as shown below.
PC7DDR
Pin function
0
PC7 input
1
PC7 output
PC6: This pin function is switched as shown below.
PC6DDR
Pin function
0
PC6 input
1
PC6 output
PC5/SCK1/IRQ5: The pin function is switched as shown below according to the operating mode,
bit C/A in the SCI1’s SMR, bits CKE0 and CKE1 in SCR, and bit PC5DDR.
CKE1
C/A
CKE0
PC5DDR
Pin function
0
0
0
1
0
1
—
PC5 input
IRQ5 input
PC5 output SCK1 output
1
—
—
SCK1 output
1
—
—
—
SCK1 input
PC4/RxD1: The pin function is switched as shown below according to the operating mode, bit RE
in the SCI1’s SCR, and bit PC4DDR.
RE
PC4DDR
Pin function
0
PC4 input
0
1
PC4 output
1
—
RxD1 input
Rev. 7.00 Sep. 11, 2009 Page 150 of 566
REJ09B0211-0700