Section 7 User Break Controller (UBC)
Rev. 3.00 Sep. 27, 2007 Page 143 of 758
REJ09B0243-0300
Break Condition Specified for I Bus Data Access Cycle:
(Example 3-1)
•
Register specifications
BARA = H'00314154, BAMRA = H'00000000, BBRA = H'0194, BDRA = H'12345678,
BDMRA = H'FFFFFFFF, BARB = H'00055555, BAMRB = H'00000000, BBRB = H'01A9,
BDRB = H'00007878, BDMRB = H'00000F0F, BRCR = H'00000080
Specified conditions: Channel A/channel B independent mode
<Channel A>
Address:
H'00314154, Address mask: H'00000000
Data:
H'12345678, Data mask: H'FFFFFFFF
Bus cycle: I bus (CPU cycle)/instruction fetch/read (operand size is not included in the
condition)
<Channel B>
Address:
H'00055555, Address mask: H'00000000
Data:
H'00000078, Data mask: H'0000000F
Bus cycle: I bus (CPU cycle)/data access/write/byte
On channel A, a user break occurs when instruction fetch is performed for address H'00314154
in the external memory space.
On channel B, a user break occurs when byte data H'7x is written in address H'00055555 in the
external memory space by the CPU.
Summary of Contents for SH7124 R5F7124
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Page 36: ...Section 1 Overview Rev 3 00 Sep 27 2007 Page 16 of 758 REJ09B0243 0300 ...
Page 68: ...Section 2 CPU Rev 3 00 Sep 27 2007 Page 48 of 758 REJ09B0243 0300 ...
Page 108: ...Section 5 Exception Handling Rev 3 00 Sep 27 2007 Page 88 of 758 REJ09B0243 0300 ...
Page 166: ...Section 7 User Break Controller UBC Rev 3 00 Sep 27 2007 Page 146 of 758 REJ09B0243 0300 ...
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