Renesas SH7781 用户手册

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5.   Exception Handling 
Rev.1.00  Jan. 10, 2008  Page 92 of 1658 
REJ09B0261-0100 
 
5.2.3
 
Interrupt Event Register (INTEVT) 
The interrupt event register (INTEVT) consists of a 14-bit exception code. The exception code is 
set automatically by hardware when an exception occurs. INTEVT can also be modified by 
software. 
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Bit:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
 
Initial value:
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
INTCODE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W:
Bit:
 
Initial value:
R/W:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
R
R
R/W
R/W
R/W
R/W
R/W
R/W
 
 
Bit Bit 
Name 
Initial 
Value R/W 
Description 
31 to 14 
⎯ All 
Reserved 
For details on reading/writing this bit, see General 
Precautions on Handling of Product. 
13 to 0 
INTCODE 
Undefined  R/W Exception 
Code 
The exception code for an interrupt is set. For details, 
see table 5.3.