PXS20RM Datasheet, PDF (1112/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Nexus Crossbar Slave Port Data Trace Module (NXSS) [cut2/3 only]
Table 33-2. DC1 field descriptions
Field
Description
OPC¹
Output port mode control.
0 Reduced port mode configuration
1 Full port mode configuration
EOC
EVTO control.
00 EVTO upon occurrence of watchpoint (internal or external)
01 EVTO upon entry into system-level debug mode
1X Reserved
WEN
Watchpoint trace enable.
0 Watchpoint messaging disabled
1 Watchpoint messaging enabled.
EIC
EVTI control.
00 EVTI for synchronization (Data Trace)
01 Reserved
10 EVTI disabled for this module
11 Reserved
TM
Trace mode.
000 No Trace
1XX Reserved
X1X Data trace enabled
XX1 Reserved
NOTES:
1 _{The output port mode control bit (OPC) is shown for clarity. This function is controlled globally by the NPC port}
control register (PCR).
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
EWC
W
000000000000000000000000
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 33-3. Development Control Register 2 (DC2)
Table 33-3. DC2 field description
Field
EWC¹
Description
EVTO Watchpoint Configuration
00000000 = No watchpoints trigger EVTO
1XXXXXXX = Reserved
X1XXXXXX = Reserved
XX1XXXXX = Reserved
XXX1XXXX = Reserved
XXXX1XXX = Internal watchpoint #1 triggers EVTO
XXXXX1XX = Internal watchpoint #2 triggers EVTO
XXXXXX1X = Reserved
XXXXXXX1 = Reserved
33-4
PXS20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor