Datasheet

Breakpoint (BKP) Module
MC9S12DP256 — Revision 1.1
Breakpoint (BKP) Module
First Address Low
Byte Breakpoint
Register (BKP0L)
This register is used to set the breakpoint when compared against the
low byte of the address.
Read and write: anytime
Second Address
Memory
Expansion
Breakpoint
Register(BKP1X)
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.
Read and write: anytime
BK1V[5:0] — Second Address Breakpoint Expansion Address Value
Data (Second
Address) High
Byte Breakpoint
Register (BKP1H)
In Dual Mode, this register is used to compare against the high order
address lines. In Full Mode, this register is used to compare against the
high order data lines.
Read and write: anytime
Address $__04
Bit 7 654321Bit 0
Read:
Bit 7 654321Bit 0
Write:
Reset: 00000000
Address $__05
Bit 7 6 5 4 3 2 1 Bit 0
Read: 0 0
BK1V5 BK1V4 BK1V3 BK1V2 BK1V1 BK1V0
Write:
Reset: 0 0 0 00000
= Reserved or unimplemented
Address $__06
Bit 7 6 5 4 3 2 1 Bit 0
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: 0 0 0 0 0 0 0 0
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
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