P912XDP512F0MPVR datasheet(709/1348 Pages) FREESCALE

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Chapter 19 S12X Debug (S12XDBGV2) Module

MC9S12XDP512 Data Sheet, Rev. 2.21

Freescale Semiconductor

711

19.3.1.11.2

Debug Comparator Address High Register (DBGXAH)

Read: Anytime

Write: Anytime when DBG not armed.

19.3.1.11.3

Debug Comparator Address Mid Register (DBGXAM)

Read: Anytime

Write: Anytime when DBG not armed.

0x0029

76543210

Bit 22

Bit 16

Reset

00000000

Unimplemented or Reserved

Figure 19-15. Debug Comparator Address High Register (DBGXAH)

Table 19-29. DBGXAH Field Descriptions

Field

Description

6–0

Bits [22:16]

Comparator Address High Compare Bits — The comparator address high compare bits control whether the

selected comparator will compare the address bus bits [22:16] to a logic 1 or logic 0. This register byte is ignored

for XGATE compares.

0 Compare corresponding address bit to a logic 0

1 Compare corresponding address bit to a logic 1

0x002A

76543210

Bit 15

Bit 8

Reset

00000000

Figure 19-16. Debug Comparator Address Mid Register (DBGXAM)

Table 19-30. DBGXAM Field Descriptions

Field

Description

7–0

Bits [15:8]

Comparator Address Mid Compare Bits — The comparator address mid compare bits control whether the

selected comparator will compare the address bus bits [15:8] to a logic 1 or logic 0.

0 Compare corresponding address bit to a logic 0

1 Compare corresponding address bit to a logic 1

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