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PXR40RM Datasheet, PDF (1388/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller
Nexus Development Interface (NDI)
Field
0–1
BWE1
2–3
BRW1
4–13
17–16
BWR1
15
BWT1
14–0
Table 31-42. BWC1 Field Description
Description
Breakpoint/watchpoint #1 enable
00 Internal Nexus watchpoint #1 disabled
01–10 Invalid value
11 Internal Nexus watchpoint #1 enabled
Breakpoint/watchpoint #1 read/write select
00 Watchpoint #1 hit on read accesses
01 Watchpoint #1 hit on write accesses
10 Watchpoint #1 on read or write accesses
11 Invalid value
Reserved, read as 0.
Breakpoint/watchpoint #1 register compare
00 No register compare (same as BWC1[31:30] = 2’b00)
01 Invalid value
10 Compare with BWA1 value
11 Invalid value
Breakpoint/watchpoint #1 type
0 Invalid value
1 Watchpoint #1 on data accesses
Reserved, read as 0.
31.17.2.7 Breakpoint / Watchpoint Control Register 2 (BWC2)
Breakpoint/watchpoint control register2 controls attributes for generation of NXDM and NXFR
watchpoint number 2.
Access: R/W
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R
BWE2 BRW2
W
BWR2 BWT2
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Figure 31-50. Break / Watchpoint Control Register 2 (BWC2)
Table 31-43. BWC2 Field Description
Field
0–1
BWE2
2–3
BRW2
4–13
Description
Breakpoint/watchpoint #2 enable
00Internal Nexus watchpoint #2 disabled
01–10 Invalid value
11 Internal Nexus watchpoint #2 enabled
Breakpoint/watchpoint #2 read/write select
00 Watchpoint #2 hit on read accesses
01 Watchpoint #2 hit on write accesses
10 Watchpoint #2 on read or write accesses
11 Invalid value
Reserved, read as 0.
31-72
PXR40 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor