r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 321

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

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