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Section 5 Interrupt Controller
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
7
A23
to
to
0
A16
BARB
Bit
Bit Name
7
A15
to
to
0
A8
BARC
Bit
Bit Name
7
A7
to
to
1
A1
0
—
Rev. 3.00 Jan 25, 2006 page 78 of 872
REJ09B0286-0300
Initial Value
R/W
All 0
R/W
Initial Value
R/W
All 0
R/W
Initial Value
R/W
All 0
R/W
All 0
R
Description
Addresses 23 to 16
The A23 to A16 bits are compared with A23 to
A16 in the internal address bus.
Description
Addresses 15 to 8
The A15 to A8 bits are compared with A15 to
A8 in the internal address bus.
Description
Addresses 7 to 1
The A7 to A1 bits are compared with A7 to A1
in the internal address bus.
Reserved
This bit is always read as 0 and cannot be
modified.
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