PXS20RM Datasheet, PDF (1119/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Nexus Crossbar Slave Port Data Trace Module (NXSS) [cut2/3 only]
Table 33-9. Public TCODEs supported (continued)
Packet size
Message name
bits
Min. Max.
Packet
name
Packet
type
Packet description
Error Message 6
4
5
Data Trace -
6
Data Write
Message w/
4
Sync
3
1
1
Data Trace -
6
Data Read
Message w/
4
Sync
3
1
1
Watchpoint
6
Message
4
4
6 TCODE Fixed TCODE number = 8
4
SRC Fixed Source processor identifier (multiple Nexus configuration)
5 ECODE Fixed Error code (refer to Table 33-10)
6 TCODE Fixed TCODE number = 13 (0xD)
4
SRC Fixed Source processor identifier (multiple Nexus configuration)
3
DSZ Fixed Data size (refer to Table 33-11)
32 F-ADDR Variable Full access address (leading zero (0) truncated)
64 DATA Variable Data write value
6 TCODE Fixed TCODE number = 14 (0xE)
4
SRC Fixed Source processor identifier (multiple Nexus configuration)
3
DSZ Fixed Data size (refer to Table 33-11)
32 F-ADDR Variable Full access address (leading zero (0) truncated)
64 DATA Variable Data read valued
6 TCODE Fixed TCODE number = 15 (0xF)
4
SRC Fixed Source processor identifier (multiple Nexus configuration)
4 WPHIT Fixed Number indicating watchpoint sources
Table 33-10. Error code (ECODE) encoding (TCODE = 8)
Error code
(ECODE)
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001–11111
Description
Reserved
Reserved
Data Trace overrun
Reserved
Reserved
Invalid access opcode (Nexus Register unimplemented)
Watchpoint overrun
Reserved
Data Trace and Watchpoint overrun
Reserved
Freescale Semiconductor
PXS20 Microcontroller Reference Manual, Rev. 1
33-11