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Debug Module
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 28-35
Command Sequence:
Figure 28-35. SYNC_PC Command Sequence
Operand Data: None
Result Data: Command complete status (0xFFFF) is returned when the register write is
complete.
28.5.3.3.10 Read Control Register (RCREG)
Read the selected control register and return the 32-bit result. Accesses to the processor/memory control
registers are always 32 bits wide, regardless of register width. The second and third words of the command
form a 32-bit address, which the debug module uses to generate a special bus cycle to access the specified
control register. The 12-bit Rc field is the same the processor’s MOVEC instruction uses.
Command/Result Formats:
1514131211109876543210
0x00x00x00x1
Figure 28-34. SYNC_PC Command Format
1514131211109876543210
Command 0x2 0x9 0x8 0x0
0x0 0x0 0x0 0x0
0x0 Rc
Result D[31:16]
D[15:0]
Figure 28-36. RCREG Command/Result Formats
SYNC_PC
???
NEXT CMD
CMD COMPLETE