8 usage examples – Renesas SH7641 User Manual
Page 312
Section 11 User Break Controller (UBC)
Rev. 4.00 Sep. 14, 2005 Page 262 of 982
REJ09B0023-0400
11.3.8 Usage
Examples
Break Condition Specified for L Bus Instruction Fetch Cycle:
(Example 1-1)
• Register specifications
BARA = H'00000404, BAMRA = H'00000000, BBRA = H'0054, BARB = H'00008010,
BAMRB = H'00000006, BBRB = H'0054, BDRB = H'00000000, BDMRB = H'00000000,
BRCR = H'00000400
Specified conditions: Channel A/channel B independent mode
Address:
H'00000404, Address mask: H'00000000
Bus cycle: L bus/instruction fetch (after instruction execution)/read (operand size is not
included in the condition)
Address:
H'00008010, Address mask: H'00000006
Data:
H'00000000, Data mask: H'00000000
Bus cycle: L bus/instruction fetch (before instruction execution)/read (operand size is not
included in the condition)
A user break occurs after an instruction of address H'00000404 is executed or before
instructions of addresses H'00008010 to H'00008016 are executed.
(Example 1-2)
• Register specifications
BARA = H'00037226, BAMRA = H'00000000, BBRA = H'0056, BARB = H'0003722E,
BAMRB = H'00000000, BBRB = H'0056, BDRB = H'00000000, BDMRB = H'00000000,
BRCR = H'00000008
Specified conditions: Channel A/channel B sequential mode
Address:
H'00037226, Address mask: H'00000000
Bus cycle: L bus/instruction fetch (before instruction execution)/read/word
Address:
H'0003722E, Address mask: H'00000000
Data:
H'00000000, Data mask: H'00000000
Bus cycle: L bus/instruction fetch (before instruction execution)/read/word