MC9S12T64 Datasheet, PDF (558/608 Pages) Motorola, Inc – Specification

Breakpoint (BKP)
Freescale Semiconductor, Inc.
Breakpoint First
Address
Expansion Register
(BKP0X)
This register contains the data to be matched against expansion address
lines for the first address breakpoint when a page is selected.
Read and write: anytime.
Address Offset
Read:
Write:
Reset:
$002A
Bit 7
0
0
6
5
4
0
BK0V5
BK0V4
0
0
0
= Reserved or unimplemented
3
BK0V3
0
2
BK0V2
0
1
BK0V1
0
Bit 0
BK0V0
0
BK0V[5:0] — First Address Breakpoint Expansion Address Value
Breakpoint First
Address High Byte
Register (BKP0H)
This register is used to set the breakpoint when compared against the
high byte of the address.
Read and write: anytime
Address Offset $002B
Bit 7
6
5
4
3
2
Read:
Bit 15
14
13
12
11
10
Write:
Reset: 0
0
0
0
0
0
1
Bit 0
9
Bit 8
0
0
Breakpoint First
Address Low Byte
Register (BKP0L)
This register is used to set the breakpoint when compared against the
low byte of the address.
Read and write: anytime
Address Offset $002C
Bit 7
6
5
4
3
2
1
Bit 0
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
Reset: 0
0
0
0
0
0
0
0
MC9S12T64Revision 1.1.1
Breakpoint (BKP)
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