Datasheet
Section 5 Interrupt Controller 
R01UH0310EJ0500 Rev. 5.00    Page 123 of 1384 
Sep 25, 2012     
H8S/2426, H8S/2426R, H8S/2424 Group 
5.3.6  IRQ Pin Select Register (ITSR) 
ITSR selects input pins IRQ15 to IRQ0. 
•  H8S/2426 Group 
Bit  Bit Name  Initial Value  R/W  Description 
15 ITS15  0  R/W  Selects the IRQ15 input pin. 
0: PF2/IRQ15-A selected 
1: P27/IRQ15-B selected 
14 ITS14  0  R/W  Selects the IRQ14 input pin. 
0: PF1/IRQ14-A selected 
1: P26/IRQ14-B selected 
13 ITS13  0  R/W  Selects the IRQ13 input pin. 
0: P65/IRQ13-A selected 
1: P25/IRQ13-B selected 
12 ITS12  0  R/W  Selects the IRQ12 input pin. 
0: P64/IRQ12-A selected 
1: P24/IRQ12-B selected 
11 ITS11  0  R/W  Selects the IRQ11 input pin. 
0: P63/IRQ11-A selected 
1: P23/IRQ11-B selected 
10 ITS10  0  R/W  Selects the IRQ10 input pin. 
0: P62/IRQ10-A selected 
1: P22/IRQ10-B selected 
9 ITS9  0  R/W Selects the IRQ9 input pin. 
0: P61/IRQ9-A selected 
1: P21/IRQ9-B selected 
8 ITS8  0  R/W Selects the IRQ8 input pin. 
0: P60/IRQ8-A selected 
1: P20/IRQ8-B selected 
7 ITS7  0  R/W Selects the IRQ7 input pin. 
0: PA7/IRQ7-A selected 
1: PH3/IRQ7-B selected 










