HD6417606 RENESAS [Renesas Technology Corp], HD6417606 Datasheet - Page 406

• Manufacturer Part Number: HD6417606
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 16 User Break Controller (UBC)
16.2.2
BAMRA is a 32-bit readable/writable register. BAMRA specifies bits masked in the break address
specified by BARA.
16.2.3
Break bus cycle register A (BBRA) is a 16-bit readable/writable register, which specifies (1) L bus
cycle or I bus cycle, (2) instruction fetch or data access, (3) read or write, and (4) operand size in
the break conditions of channel A.
Rev. 4.00 Sep. 13, 2007 Page 380 of 502
REJ09B0239-0400
Bit
31 to 0
Bit
15 to 8
7
6
Break Address Mask Register A (BAMRA)
Break Bus Cycle Register A (BBRA)
Bit Name
—
CDA1
CDA0
Bit Name
BAMA31 to
BAMA 0
Initial
Value
All 0
0
0
Initial
Value
All 0
R/W
R
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
L Bus Cycle/I Bus Cycle Select A
Select the L bus cycle or I bus cycle as the bus cycle of the
channel A break condition.
00: Condition comparison is not performed
01: The break condition is the L bus cycle
10: The break condition is the I bus cycle
11: The break condition is the L bus cycle
Description
Break Address Mask A
Specify bits masked in the channel A break address bits
specified by BARA (BAA31 to BAA0).
0: Break address bit BAAn of channel A is included in
1: Break address bit BAAn of channel A is masked and
Note: n = 31 to 0
the break condition
is not included in the break condition