H8SSLASH2225 datasheet(244/1071 Pages) RENESAS

部件名	H8S/2225

功能描述	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	1071 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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244 / 1071 page

Section 6 PC Break Controller (PBC)

Rev. 5.00 Aug 08, 2006 page 158 of 982

REJ09B0054-0500

Mask control

PC break

interrupt

Match signal

Mask control

BARA

BCRA

BARB

BCRB

Comparator

Control

logic

Comparator

Control

logic

Internal address

Access

status

Match signal

Figure 6.1 Block Diagram of PC Break Controller

6.2

The PC break controller has the following registers.

• Break address register A (BARA)

• Break address register B (BARB)

• Break control register A (BCRA)

• Break control register B (BCRB)

6.2.1

Break Address Register A (BARA)

BARA is a 32-bit readable/writable register that specifies the channel A break address.

Bit

Bit Name

Initial Value

R/W

Description

31 to 24



Undefined



Reserved

These bits are read as an undefined value

and cannot be modified.

23 to 0

BAA23 to BAA0

All 0

R/W

Break Address 23 to 0

These bits set the channel A PC break

address.

H8S/2225 数据表(PDF) 244 Page - Renesas Technology Corp

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