PXS20RM Datasheet, PDF (1117/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Field
BWR1
BWT1
Nexus Crossbar Slave Port Data Trace Module (NXSS) [cut2/3 only]
Table 33-7. BWC1 field descriptions (continued)
Description
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
Breakpoint/watchpoint #1 type
0 Reserved
1 Watchpoint #1 on data accesses
33.5.7 Breakpoint / Watchpoint Control Register 2 (BWC2)
The Breakpoint / Watchpoint Control Register 2 (BWC2) controls attributes for generation of NXSS_0 and
NXSS_1 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 _{BWE BRW}
BWR BWT
W2 ²
22
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 33-9. Break / Watchpoint Control Register 2 (BWC2)
Table 33-8. BWC2 field descriptions
Field
BWE2
BRW2
BWR2
BWT2
Description
Breakpoint/watchpoint #2 enable
00 Internal Nexus watchpoint #2 disabled
01–10 Reserved
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 Reserved
Breakpoint/watchpoint #2 register compare
00 No register compare (same as BWC1[31:30] = 2’b00)
01 Reserved
10 Compare with BWA2 value
11 Reserved
Breakpoint/watchpoint #2 Type
0 Reserved
1 Watchpoint #2 on data accesses
Freescale Semiconductor
PXS20 Microcontroller Reference Manual, Rev. 1
33-9