Renesas H8S/2100 Series, Hardware Manual

Page: 118 / 1024

Section 5 Interrupt Controller
Rev. 1.00 Apr. 28, 2008 Page 92 of 994
REJ09B0452-0100
5.3.3 Break Address Registers A to C (BARA to BARC)
The BAR registers specify an address that is to be a break address. An address in which the first
byte of an instruction exists should be set as a break address.
•
BARA
Bit Bit Name Initial Value R/W Description
7 to 0 A23 to A16 All 0 R/W Addresses 23 to 16
The A23 to A16 bits are compared with A23 to A16 in
the internal address bus.
•
BARB
Bit Bit Name Initial Value R/W Description
7 to 0 A15 to A8 All 0 R/W Addresses 15 to 8
The A15 to A8 bits are compared with A15 to A8 in the
internal address bus.
•
BARC
Bit Bit Name Initial Value R/W Description
7 to 1 A7 to A1 All 0 R/W Addresses 7 to 1
The A7 to A1 bits are compared with A7 to A1 in the
internal address bus.
0 — 0 R Reserved
This bit is always read as 0 and cannot be modified.