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Figure 11.1 shows a block diagram of the ubc, Figure 11.1 block diagram of user break controller – Renesas SH7641 User Manual

Page 292

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Section 11 User Break Controller (UBC)

Rev. 4.00 Sep. 14, 2005 Page 242 of 982

REJ09B0023-0400

Figure 11.1 shows a block diagram of the UBC.

BBRA

BARA

BAMRA

CPU state
signals

XAB/YAB

IAB

LAB

Internal bus

Access

comparator

Address

comparator

Channel A

Access

comparator

Address

comparator

Data

comparator

PC trace

CONTROL

Channel B

BBRB

BETR

BASRA

BASRB

BARB

BAMRB

BBRB

BDMRB

BRSR

BRDR

BRCR

User break request

UBC Location

CCN Location

LDB/IDB/
XDB/YDB

[Legend]
BBRA:
BARA:
BAMRA:
BASRA:
BBRB:
BARB:
BAMRB:

BASRB:
BDRB:
BDMRB:
BETR:
BRSR:
BRDR:
BRCR:

Break bus cycle register A
Break address register A
Break address mask register A
Break ASID register A
Break bus cycle register B
Break address register B
Break address mask register B

Break ASID register B
Break data register B
Break data mask register B
Break execution times register
Branch source register
Branch destination register
Break control register

Access
Control

ASID

comparator

ASID

comparator

ASID

Figure 11.1 Block Diagram of User Break Controller

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