Renesas SH7781 用户手册

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页码 1692
29.   User Break Controller (UBC) 
Rev.1.00  Jan. 10, 2008  Page 1457 of 1658 
REJ09B0261-0100 
 
29.2.1
 
Match Condition Setting Registers 0 and 1 (CBR0 and CBR1) 
CBR0 and CBR1 are readable/writable 32-bit registers which specify the break conditions for 
channels 0 and 1, respectively. The following break conditions can be set in the CBR0 and CBR1: 
(1) whether or not to include the match flag in the conditions, (2) whether or not to include the 
ASID, and the ASID value when included, (3) whether or not to include the data value, (4) 
operand size, (5) whether or not to include the execution count, (6) bus type, (7) instruction fetch 
cycle or operand access cycle, and (8) read or write access cycle.  
•  CBR0 
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
MFE
AIE
MFI
AIV
SZ
CD
ID
RW
CE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R/W
R/W
R/W
R
R
R
R
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
Bit : 
Initial value : 
R/W: 
Bit : 
Initial value : 
R/W: 
 
 
Bit Bit 
Name 
Initial 
Value R/W 
Description 
31 
MFE 
R/W  Match Flag Enable 
Specifies whether or not to include the match flag value 
specified by the MFI bit of this register in the match 
conditions. When the specified match flag value is 1, the 
condition is determined to be satisfied. 
0: The match flag is not included in the match conditions; 
thus, not checked. 
1: The match flag is included in the match conditions.  
30 AIE  0  R/W 
ASID 
Enable 
Specifies whether or not to include the ASID specified by 
the AIV bit of this register in the match conditions.  
0: The ASID is not included in the match conditions; 
thus, not checked. 
1: The ASID is included in the match conditions.