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Rev. 1.00, 05/04, page 71 of 544
5.3.3 Break Address Registers A to C (BARA to BARC)
The BAR registers specify an address that is to be a break address. An address in which the first
byte of an instruction exists should be set as a break address. In normal mode, addresses A23 to
A16 are not compared.
• BARA
Bit Bit Name
Initial
Value R/W Description
7
to
0
A23
to
A16
All 0 R/W Addresses 23 to 16
The A23 to A16 bits are compared with A23 to A16 in
the internal address bus.
• BARB
Bit Bit Name
Initial
Value R/W Description
7
to
0
A15
to
A8
All 0 R/W Addresses 15 to 8
The A15 to A8 bits are compared with A15 to A8 in the
internal address bus.
• BARC
Bit Bit Name
Initial
Value
R/W Description
7
to
1
A7
to
A1
All 0 R/W Addresses 7 to 1
The A7 to A1 bits are compared with A7 to A1 in the
internal address bus.
0 — 0 R Reserved
This bit is always read as 0 and cannot be modified.