Block Diagram; Figure 20.1 Block Diagram Of User Break Controller - Hitachi SH7751 Hardware Manual

20.1.2

Block Diagram

Figure 20.1 shows a block diagram of the UBC.
BBRA: Break bus cycle register A
BARA: Break address register A
BASRA: Break ASID register A
BAMRA: Break address mask register A
BBRB: Break bus cycle register B
BARB: Break address register B
BASRB: Break ASID register B
BAMRB: Break address mask register B
BDRB: Break data register B
BDMRB: Break data mask register B
BRCR: Break control register

Figure 20.1 Block Diagram of User Break Controller

Rev. 3.0, 04/02, page 752 of 1064
Access Address
control bus
Channel A
Access
BBRA
comparator
Address
BASRA
comparator
BAMRA
Channel B
Access
BBRB
comparator
Address
BASRB
comparator
BAMRB
Data
comparator
Control BRCR
User break trap request
Data
bus
BARA
BARB
BDRB
BDMRB