Nexus Development Control Register 4 (Dc4) - STMicroelectronics SPC572L series Reference Manual

RM0400
Bits Name
19:16 WEVTO[0]C
15:14 —
13:0 EWC
1. EOC bits in DC1 must be programmed to trigger EVTO on Watchpoint occurrence for EWC bits to have any effect.
66.4.5

Nexus Development Control Register 4 (DC4)

Nexus Development Control Register 4 is used to control mark selection for Program and
Data Trace Messaging, as well as masking of events that initiate Program Correlation
Messages on the Nexus 3 module.
Development Control Register 4 is shown in
Table 1083.
Table 1082. DC3 field descriptions(Continued)
Watchpoint Event Out 0 Configuration
0000 No Watchpoints #15–#29 trigger nex_wevto[0]
0001 Watchpoint #15 triggers nex_wevto[0]
0010 Watchpoint #16 triggers nex_wevto[0]
0011 Watchpoint #17 triggers nex_wevto[0]
0100 Watchpoint #18 triggers nex_wevto[0]
0101 Watchpoint #19 triggers nex_wevto[0]
0110 Watchpoint #20 triggers nex_wevto[0]
0111 Watchpoint #21 triggers nex_wevto[0]
1000 Watchpoint #22 triggers nex_wevto[0]
1001 Watchpoint #23 triggers nex_wevto[0]
1010 Watchpoint #24 triggers nex_wevto[0]
1011 Watchpoint #25 triggers nex_wevto[0]
1100 Watchpoint #26 triggers nex_wevto[0]
1101 Watchpoint #27 triggers nex_wevto[0]
1110 Watchpoint #28 triggers nex_wevto[0]
1111 Watchpoint #29 triggers nex_wevto[0]
Reserved for watchpoint expansion
EVTO Watchpoint Configuration
00000000000000 No Watchpoints #16–#29 trigger nex_evto_b
xxxxxxxxxxxxx1 Watchpoint #16 triggers nex_evto_b
xxxxxxxxxxxx1x Watchpoint #17 triggers nex_evto_b
xxxxxxxxxxx1xx Watchpoint #18 triggers nex_evto_b
xxxxxxxxxx1xxx Watchpoint #19 triggers nex_evto_b
xxxxxxxxx1xxxx Watchpoint #20 triggers nex_evto_b
xxxxxxxx1xxxxx Watchpoint #21 triggers nex_evto_b
xxxxxxx1xxxxxx Watchpoint #22 triggers nex_evto_b
xxxxxx1xxxxxxx Watchpoint #23 triggers nex_evto_b
xxxxx1xxxxxxxx Watchpoint #24 triggers nex_evto_b
xxxx1xxxxxxxxx Watchpoint #25 triggers nex_evto_b
xxx1xxxxxxxxxx Watchpoint #26 triggers nex_evto_b
xx1xxxxxxxxxxx Watchpoint #27 triggers nex_evto_b
x1xxxxxxxxxxxx Watchpoint #28 triggers nex_evto_b
1xxxxxxxxxxxxx Watchpoint #29 triggers nex_evto_b
DocID027809 Rev 4
e200z215An3 Nexus 3 Module
Description
(1)
Figure 1135 and its fields are described in
1927/2058
1982