Datasheet
Section 10 I/O Ports 
R01UH0310EJ0500 Rev. 5.00    Page 643 of 1384 
Sep 25, 2012     
H8S/2426, H8S/2426R, H8S/2424 Group 
•  PC2/A2/TIOCC9 
The pin function is switched as shown below according to the combination of the operating 
mode, bit EXPE, TPU channel 9 settings (by bits MD3 to MD0 in TMDR_9, bits IOC3 to 
IOC0 in TIORL_9, and bits CCLR2 to CCLR0 in TCR_9), and bit PC2DDR. 
Operating 
mode 
1, 2  4 3, 7 (EXPE = 1)  3, 7 (EXPE = 0) 
TPU channel 
9 settings 
⎯  ⎯  (1) in table 
below 
(2) in table below 
PC2DDR  ⎯ 0  1 ⎯ 0  1 
PC2 input  PC2 output Pin function  A2 output  PC2 input  A2 output  TIOCC9 
output 
TIOCC9 input*
1
TPU channel 9 
settings 
(2) (1) (2) (1)  (1) (2) 
MD3 to MD0  B'0000  B'001x  B'0010  B'0011 
IOC3 to IOC0  B'0000, 
B'0100, 
B'1xxx 
B'0001 to 
B'0011, 
B'0101 to 
B'0111 
B'xx00  Other than B'xx00 
CCLR2 to 
CCLR0 
⎯  ⎯  ⎯  ⎯ Other than 
B'101 
B'101 
Output function  ⎯ Output 
compare 
output 
⎯ PWM*
2
mode 
1 output 
PWM mode 
2 output 
⎯ 
[Legend] 
x: Don't care 
Notes:  1.  TIOCC9 input when MD3 to MD0 = B'0000 and IOC3 to IOC0 = B'10xx. 
  2.  TIOCD9 output disabled. Output disabled and settings (2) effective when BFA = 1 or 
BFB = 1 in TMDR_9. 










