PXN20RM Datasheet, PDF (1179/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

Nexus Development Interface (NDI)
Table 36-14. Public TCODEs Supported by Nexus3+ (continued)
Message Name
Data Trace —
Data Read Message
w/ Sync
Watchpoint
Message
Resource Full
Message
Program Trace —
Indirect Branch
History Message
Program Trace —
Indirect Branch
History Message w/
Sync
Program Trace —
Program Correlation
Message
Packet Size
(bits)
Min Max
6
6
4
4
3
3
1
32
1
64
6
6
4
4
4
4
6
6
4
4
4
4
1
32
6
6
4
4
1
8
1
32
1
32
6
6
4
4
1
8
1
32
1
32
6
6
4
4
4
4
1
8
1
32
Packet Packet
Name Type
Packet Description
TCODE Fixed TCODE number = 14 (0x0E)
SRC
Fixed source processor identifier
DSZ
Fixed data size (Refer to Table 36-18)
F-ADDR Variable full access address (leading zeros truncated)
DATA
Variable data read values (see Section 36.6.10.4, Data Trace, for
details)
TCODE Fixed TCODE number = 15 (0x0F)
SRC
Fixed source processor identifier
WPHIT Fixed # indicating watchpoint sources
TCODE Fixed TCODE number = 27 (0x1B)
SRC
Fixed source processor identifier
RCODE
Fixed resource code (Refer to RCODE values in Table 36-17) -
indicates which resource is the cause of this message
RDATA Variable branch / predicate instruction history (see
Section 36.6.10.3.1, Branch Trace Messaging (BTM))
TCODE Fixed TCODE number = 28 (0x1C) (see footnote 1 below)
SRC
Fixed source processor identifier
I-CNT Variable # sequential instructions executed since last taken branch
U-ADDR Variable unique part of target address for taken branches/exceptions
HIST
Variable branch / predicate instruction history (see
Section 36.6.10.3.1, Branch Trace Messaging (BTM))
TCODE Fixed TCODE number = 29 (0x1D) (see footnote 1 below)
SRC
Fixed source processor identifier
I-CNT Variable # sequential instructions executed since last taken branch
F-ADDR Variable full target address (leading zero (0) truncated)
HIST
Variable branch / predicate instruction history (see
Section 36.6.10.3.1, Branch Trace Messaging (BTM))
TCODE Fixed TCODE number = 33 (0x21)
SRC
Fixed source processor identifier
EVCODE Fixed event correlated w/ program flow (Refer to Table 36-17)
I-CNT Variable # sequential instructions executed since last taken branch
HIST
Variable branch / predicate instruction history (see
Section 36.6.10.3.1, Branch Trace Messaging (BTM))
Freescale Semiconductor
PXN20 Microcontroller Reference Manual, Rev. 1
36-29