R5F61655N50FPV Datasheet, PDF (557/1376 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 13 I/O Ports
(6) P22 /PO2/TIOCC3/TMO0/TxD0/IRQ10-A
The pin function is switched as shown below according to the combination of the TPU, TMR,
SCI, and PPG register settings and P22DDR bit setting.
Module Name
TPU
TMR
SCI
PPG
I/O port
Pin Function
TIOCC3 output
TMO0 output
TxD0 output
PO2 output
P22 output
P22 input
(initial value)
Setting
TPU
TMR
SCI
PPG
TIOCC3_OE TMO0_OE TxD0_OE PO2_OE
1
⎯
⎯
⎯
0
1
⎯
⎯
0
0
1
⎯
0
0
0
1
0
0
0
0
0
0
0
0
I/O Port
P22DDR
⎯
⎯
⎯
⎯
1
0
(7) P21/PO1/TIOCA3/TMCI0/RxD0/IRQ9-A
The pin function is switched as shown below according to the combination of the TPU and PPG
register settings and P21DDR bit setting.
Module Name
TPU
PPG
I/O port
Pin Function
TIOCA3 output
PO1 output
P21 output
P21 input
(initial value)
TPU
TIOCA3_OE
1
0
0
0
Setting
PPG
PO1_OE
⎯
1
0
0
I/O Port
P21DDR
⎯
⎯
1
0
Rev. 2.00 Oct. 20, 2009 Page 525 of 1340
REJ09B0499-0200