Irq Enable Register (Ier) - Renesas H8SX/1520 Series Hardware Manual

Section 5 Interrupt Controller
5.3.4

IRQ Enable Register (IER)

IER enables or disables interrupt requests IRQ14 to IRQ0.
Bit 15
Bit Name —
Initial Value 0
R/W R/W
Bit 7
Bit Name IRQ7E
Initial Value 0
R/W R/W
Bit Bit Name

15
14 IRQ14E
13 IRQ13E
12 IRQ12E
11 IRQ11E
10 IRQ10E
9 IRQ9E
Rev. 3.00 Mar. 14, 2006 Page 94 of 804
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14 13
IRQ14E IRQ13E IRQ12E
0 0
R/W R/W
6 5
IRQ6E IRQ5E IRQ4E
0 0
R/W R/W
Initial
Value R/W Description
0 R/W Reserved
This bit is always read as 0. The write value should
always be 0.
0 R/W IRQ14 Enable
The IRQ14 interrupt request is enabled when this bit
is 1.
0 R/W IRQ13 Enable
The IRQ13 interrupt request is enabled when this bit
is 1.
0 R/W IRQ12 Enable
The IRQ12 interrupt request is enabled when this bit
is 1.
0 R/W IRQ11 Enable
The IRQ11 interrupt request is enabled when this bit
is 1.
0 R/W IRQ10 Enable
The IRQ10 interrupt request is enabled when this bit
is 1.
0 R/W IRQ9 Enable
The IRQ9 interrupt request is enabled when this bit is 1.
12 11
IRQ11E IRQ10E
0 0
R/W R/W R/W
4 3
IRQ3E IRQ2E
0 0
R/W R/W R/W
10 9 8
IRQ9E
IRQ8E
0 0 0
R/W
R/W
2 1 0
IRQ1E IRQ0E
0 0 0
R/W R/W