MC3S12RG128 Datasheet, PDF (209/546 Pages) Freescale Semiconductor, Inc – Microcontrollers

7.3.1.5
Chapter 7 Breakpoint Module (BKPV1) Block Description
Breakpoint First Address Low Byte Register (BKP0L)
Module Base + 0x002C
7
6
5
4
3
2
1
0
R
Bit 7
6
5
4
3
2
1
Bit 0
W
Reset
0
0
0
0
0
0
0
0
Figure 7-7. Breakpoint First Address Low Byte Register (BKP0L)
Read: Anytime
Write: Anytime
This register is used to set the breakpoint when compared against the low byte of the address.
7.3.1.6 Breakpoint Second Address Expansion Register (BKP1X)
Module Base + 0x002D
R
W
Reset
7
6
5
4
3
2
1
0
0
BK1V5
BK1V4
BK1V3
BK1V2
BK1V1
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 7-8. Breakpoint Second Address Expansion Register (BKP1X)
0
BK1V0
0
Read: Anytime
Write: Anytime
In Dual Mode, this register contains the data to be matched against expansion address lines for the second
address breakpoint when a page is selected. In Full Mode, this register is not used.
Table 7-8. BXP1X Field Descriptions
Field
Description
5–0
BK1V Bits — Value of first breakpoint address to be matched in memory expansion space.
BK1V[5:0]
MC3S12RG128 Data Sheet, Rev. 1.05
Freescale Semiconductor
209