HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 698

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

25.2.4
BARB is a 32-bit readable/writable register. BARB specifies the address used as a break condition
in channel B. Control bits CDB1, CDB0, XYE, and XYS in BBRB select one of the four address
buses for break condition B.
Table 25.1 Specifying Break Address Register
Rev. 1.00, 02/04, page 660 of 804
Bit
31 to 0 BAB31 to BAB 0 All 0
Bus Selection in
BBRB
L bus
I bus
X bus
Y bus
Bit Name
Break Address Register B (BARB)
BAB31 to BAB17
XAB15 to XAB1
Don't care
Initial
Value
R/W Description
R/W Break Address B
Stores an address which specifies a break condition in
channel B.
If the I bus or L bus is selected in BBRB, an IAB or LAB
address is set in BAB31 to BAB0.
If the X memory is selected in BBRB, the values in bits 15
to 1 in XAB are set in BAB31 to BAB17. In this case, the
values in BAB16 to BAB0 are arbitrary.
If the Y memory is selected in BBRB, the values in bits 15
to 1 in YAB are set in BAB15 to BAB1. In this case, the
values in BAB31 to BAB16 are arbitrary.
BAB16
Don't care
Don't care
LAB31 to LAB0
IAB31 to IAB0
BAB15 to BAB1
Don't care
YAB15 to YAB1
BAB0
Don't care
Don't care