Datasheet
Section 5 Interrupt Controller 
Page 114 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 Group
5.3.3  IRQ Enable Register (IER) 
IER controls enabling and disabling of interrupt requests IRQ15 to IRQ0. 
Bit  Bit Name  Initial Value  R/W  Description 
15 IRQ15E  0  R/W  IRQ15 Enable* 
The IRQ15 interrupt request is enabled when this 
bit is 1. 
14 IRQ14E  0  R/W  IRQ14 Enable* 
The IRQ14 interrupt request is enabled when this 
bit is 1. 
13 IRQ13E  0  R/W  IRQ13 Enable* 
The IRQ13 interrupt request is enabled when this 
bit is 1. 
12 IRQ12E  0  R/W  IRQ12 Enable* 
The IRQ12 interrupt request is enabled when this 
bit is 1. 
11 IRQ11E  0  R/W  IRQ11 Enable* 
The IRQ11 interrupt request is enabled when this 
bit is 1. 
10 IRQ10E  0  R/W  IRQ10 Enable* 
The IRQ10 interrupt request is enabled when this 
bit is 1. 
9 IRQ9E  0  R/W IRQ9 Enable* 
The IRQ9 interrupt request is enabled when this 
bit is 1. 
8 IRQ8E  0  R/W IRQ8 Enable* 
The IRQ8 interrupt request is enabled when this 
bit is 1. 
7 IRQ7E  0  R/W IRQ7 Enable 
The IRQ7 interrupt request is enabled when this 
bit is 1. 
6 IRQ6E  0  R/W IRQ6 Enable 
The IRQ6 interrupt request is enabled when this 
bit is 1. 










