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Renesas SH7641 User Manual

Page 302

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Section 11 User Break Controller (UBC)

Rev. 4.00 Sep. 14, 2005 Page 252 of 982

REJ09B0023-0400

Bit Bit

Name

Initial
Value R/W

Description

13

SCMFDA

0

R/W

I Bus Cycle Condition Match Flag A

When the I bus cycle condition in the break conditions
set for channel A is satisfied, this flag is set to 1 (not
cleared to 0). In order to clear this flag, write 0 into this
bit.

0: The I bus cycle condition for channel A does not

match

1: The I bus cycle condition for channel A matches

12

SCMFDB

0

R/W

I Bus Cycle Condition Match Flag B

When the I bus cycle condition in the break conditions
set for channel B is satisfied, this flag is set to 1 (not
cleared to 0). In order to clear this flag, write 0 into this
bit.

0: The I bus cycle condition for channel B does not

match

1: The I bus cycle condition for channel B matches

11

PCTE

0

R/W

PC Trace Enable

0: Disables PC trace

1: Enables PC trace

10

PCBA

0

R/W

PC Break Select A

Selects the break timing of the instruction fetch cycle
for channel A as before or after instruction execution.

0: PC break of channel A is set before instruction

execution

1: PC break of channel A is set after instruction

execution

9, 8

 All

0

R

Reserved

These bits are always read as 0. The write value
should always be 0.

7

DBEB

0

R/W

Data Break Enable B

Selects whether or not the data bus condition is
included in the break condition of channel B.

0: No data bus condition is included in the condition of

channel B

1: The data bus condition is included in the condition of

channel B

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