MPC8540 datasheet(295/1302 Pages) FREESCALE

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Debug Registers

MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1

Freescale Semiconductor

6-45

6.13.1.3 Debug Control Register 2 (DBCR2)

Field DAC1US DAC1ER DAC2US DAC2ER DAC12M

—

Reset

All zeros

R/W

SPR

SPR 310

Figure 6-50. Debug Control Register 2 (DBCR2)

Table 6-34. DBCR2 Field Descriptions

Bits

Name

Description

32–33

DAC1US Data address compare 1 user/supervisor mode

00 DAC1 debug events can occur

01 Reserved

10 DAC1 debug events can occur only if MSR[PR] = 0.

11 DAC1 debug events can occur only if MSR[PR] = 1.

34–35

DAC1ER Data address compare 1 effective/real mode

00 DAC1 debug events are based on effective addresses.

01 Reserved on the e500

10 DAC1 debug events are based on effective addresses and can occur only if MSR[DS] = 0.

11 DAC1 debug events are based on effective addresses and can occur only if MSR[DS] = 1.

36–37

DAC2US Data address compare 2 user/supervisor mode

00 DAC2 debug events can occur.

01 Reserved

10 DAC2 debug events can occur only if MSR[PR] = 0.

11 DAC2 debug events can occur only if MSR[PR] = 1.

38–39

DAC2ER Data address compare 2 effective/real mode

00 DAC2 debug events are based on effective addresses.

01 Reserved on the e500

10 DAC2 debug events are based on effective addresses and can occur only if MSR[DS] = 0.

11 DAC2 debug events are based on effective addresses and can occur only if MSR[DS] = 1.

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