Renesas SH7781 User Manual
Page 321
10. Interrupt Controller (INTC)
Rev.1.00 Jan. 10, 2008 Page 291 of 1658
REJ09B0261-0100
(8)
Interrupt Mask Clear Register 0 (INTMSKCLR0)
INTMSKCLR0 is a 32-bit write-only register that clears the mask settings for each of the interrupt
requests IRQn (n = 0 to 7). Undefined values are read from this register.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
31
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
IC07
IC06
IC05
IC04
IC03
IC02
IC00
IC01
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit:
Initial value:
R/W:
Bit Name
Initial
Value R/W Description
31
IC00
0
R/W
Clears masking of IRQ0
interrupt.
30
IC01
0
R/W
Clears masking of IRQ1
interrupt.
29
IC02
0
R/W
Clears masking of IRQ2
interrupt.
28
IC03
0
R/W
Clears masking of IRQ3
interrupt.
27
IC04
0
R/W
Clears masking of IRQ4
interrupt.
26
IC05
0
R/W
Clears masking of IRQ5
interrupt.
25
IC06
0
R/W
Clears masking of IRQ6
interrupt.
24
IC07
0
R/W
Clears masking of IRQ7
interrupt.
[When read]
Undefined values are
read.
[When written]
0: No effect
1: Clears the
corresponding interrupt
mask (enables the
interrupt)
23 to 0
—
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.