MC3S12RG128 Datasheet, PDF (208/546 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 7 Breakpoint Module (BKPV1) Block Description
7.3.1.3 Breakpoint First Address Expansion Register (BKP0X)
Module Base + 0x002A
R
W
Reset
7
6
5
4
3
2
1
0
0
BK0V5
BK0V4
BK0V3
BK0V2
BK0V1
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 7-5. Breakpoint First Address Expansion Register (BKP0X)
0
BK0V0
0
Read: Anytime
Write: Anytime
This register contains the data to be matched against expansion address lines for the first address
breakpoint when a page is selected.
Table 7-7. BKP0X Field Descriptions
Field
Description
5–0
BK0V Bits — Value of first breakpoint address to be matched in memory expansion space.
BK0V[5:0]
7.3.1.4 Breakpoint First Address High Byte Register (BKP0H)
Module Base + 0x002B
7
6
5
4
3
2
R
Bit 15
14
13
12
11
10
W
1
0
9
Bit 8
Reset
0
0
0
0
0
0
0
0
Figure 7-6. Breakpoint First Address High Byte Register (BKP0H)
Read: Anytime
Write: Anytime
This register is used to set the breakpoint when compared against the high byte of the address.
MC3S12RG128 Data Sheet, Rev. 1.05
208
Freescale Semiconductor