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MAC7200 Scheda tecnica(PDF) 239 Page - Freescale Semiconductor, Inc |
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MAC7200 Scheda tecnica(HTML) 239 Page - Freescale Semiconductor, Inc |
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239 / 976 page ![]() A7S Nexus3 Programmers Model MAC7200 Microcontroller Family Reference Manual, Rev. 2 Freescale Semiconductor 161 11.10.3.13 Breakpoint / Watchpoint Control (BWC3-6) Breakpoint/Watchpoint Control registers 3 - 6 control the generation of Nexus Internal Watchpoints 3-6. NOTE Watchpoint units 3 - 6 only perform instruction address comparisons. 11.10.3.14 Breakpoint / Watchpoint Address (BWA1-6) The Breakpoint / Watchpoint Address registers are compared with ARM bus addresses in order to generate internal watchpoints. Offset see Table 11-21 Access: User read/write 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 R BWE 0 0 0 000 00 000 01 0 W Reset 000 00 000 00 000 00 0 15 14 13 12 11 10 9 876 54 321 0 R 000 00 000 00 000 00 0 W Reset 000 00 000 00 000 00 0 Figure 11-17. Breakpoint / Watchpoint Control Registers (BWC3-6) Table 11-31. BWC3-6 Field Description Field Description 31–30 BWE Breakpoint/Watchpoint Enable 00 Internal Nexus Watchpoint Unit disabled 01 Internal Nexus Breakpoint enabled 10 Reserved 11 Internal Nexus Watchpoint enabled 29–19 Reserved for future functionality (read as 0) 18–16 Reserved for future functionality (read as 010) 15–0 Reserved for future functionality (read as 0) Offset see Table 11-21 Access: User read/write 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 R BREAKPOINT / WATCHPOINT ADDRESS W Reset 000 00 000 00 000 00 0 15 14 13 12 11 10 9 876 54 321 0 R BREAKPOINT / WATCHPOINT ADDRESS W Reset 000 00 000 00 000 00 0 Figure 11-18. Breakpoint / Watchpoint Address Registers (BWA1-6) |
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