NXP Semiconductors MPC5566 - Breakpoint; Watchpoint Control Register 2 (BWC2)

Nexus
MPC5566 Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 25-81
25.17.2.7 Breakpoint / Watchpoint Control Register 2 (BWC2)
Breakpoint/watchpoint control register2 controls attributes for generation of NXDM watchpoint
number 2.
Table 25-52. BWC1 Field Description
Field Description
31–30
BWE1
Breakpoint/watchpoint #1 enable
00 Internal Nexus watchpoint #1 disabled
01–10 Reserved
11 Internal Nexus watchpoint #1 enabled
29–28
BRW1
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 Reserved
27–18 Reserved, read as 0.
17–16
BWR1
Breakpoint/watchpoint #1 register compare
00 No register compare (same as BWC1[31:30] = 2’b00)
01 Reserved
10 Compare with BWA1 value
11 Reserved
15
BWT1
Breakpoint/watchpoint #1 type
0 Reserved
1 Watchpoint #1 on data accesses
14–0 Reserved, read as 0.
Access: R/W
31302928272625242322212019181716 15 14131211109876543210
R
BWE2 BRW2 BWR2 BWT2
W
Reset0000000000000000 0 000000000000000
Figure 25-62. Break / Watchpoint Control Register 2 (BWC2)
Table 25-53. BWC2 Field Description
Field Description
31–30
BWE2
Breakpoint/watchpoint #2 enable
00Internal Nexus watchpoint #2 disabled
01–10 Reserved
11 Internal Nexus watchpoint #2 enabled
29–28
BRW2
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 Reserved
27–18 Reserved, read as 0.