HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 296

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 11 User Break Controller (UBC)
11.2.4
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 11.1 Specifying Break Address Register
Rev. 4.00 Sep. 14, 2005 Page 246 of 982
REJ09B0023-0400
Bit
31 to 0
Bus Selection in
BBRB
L bus
I bus
X bus
Y bus
Break Address Register B (BARB)
Bit Name
BAB31 to
BAB0
BAB31 to BAB17
XAB15 to XAB1
Don't care
Initial
Value
All 0
R/W
R/W
Description
Break Address B
Store 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