SH7144 Datasheet, PDF (132/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

Figure 7.1 shows a block diagram of the UBC.
Module bus
Bus
interface
UBCR
UBBR ^{UBAMRH UBARH}
UBAMRL UBARL
Break condition
comparator
User break
interrupt
generating
circuit
UBC
UBARH, UBARL: User break address registers H, L
UBAMRH, UBAMRL: User break address mask registers H, L
UBBR:
User break bus cycle register
UBCR:
User break control register
Interrupt request
Interrupt controller
Figure 7.1 User Break Controller Block Diagram
Rev. 2.0, 09/02, page 92 of 732