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Nexus
MPC5566 Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor
25-85
25.17.5 TCODEs Supported by NXDM
The NXDM pins allow for flexible transfer operations via public messages. A TCODE defines the transfer
format, the number and/or size of the packets to be transferred, and the purpose of each packet. The
IEEE
®
-ISTO 5001-2003
standard defines a set of public messages. The NXDM block currently support
Table 25-56. Public TCODEs Supported
Message Name
Packet Size
Bits
Packet
Name
Packet Type
Packet Description
Min
Max
Data Trace -
Date Write
Message
6
6
TCODE
Fixed
TCODE number = 5
4
4
SRC
Fixed
Source processor identifier (multiple Nexus configuration)
3
3
DSZ
Fixed
)
1
32
U-ADDR
Variable
Unique portion of the data write value
1
64
DATA
Variable
Data write value
Data Trace -
Data Read
Message
6
6
TCODE
Fixed
TCODE number = 6
4
4
SRC
Fixed
Source processor identifier (multiple Nexus configuration)
3
3
DSZ
Fixed
)
1
32
U-ADDR
Variable
Unique portion of the data read value
1
64
DATA
Variable
Data read value
Error Message
6
6
TCODE
Fixed
TCODE number = 8
4
4
SRC
Fixed
Source processor identifier (multiple Nexus configuration)
5
5
ECODE
Fixed
)
Data Trace -
Data Write
Message w/
Sync
6
6
TCODE
Fixed
TCODE number = 13 (0xD)
4
4
SRC
Fixed
Source processor identifier (multiple Nexus configuration)
3
3
DSZ
Fixed
)
1
32
F-ADDR
Variable
Full access address (leading zero (0) truncated)
1
64
DATA
Variable
Data write value
Data Trace -
Data Read
Message w/
Sync
6
6
TCODE
Fixed
TCODE number = 14 (0xE)
4
4
SRC
Fixed
Source processor identifier (multiple Nexus configuration)
3
3
DSZ
Fixed
)
1
32
F-ADDR
Variable
Full access address (leading zero (0) truncated)
1
64
DATA
Variable
Data read valued
Watchpoint
Message
6
6
TCODE
Fixed
TCODE number = 15 (0xF)
4
4
SRC
Fixed
Source processor identifier (multiple Nexus configuration)
4
4
WPHIT
Fixed
Number indicating watchpoint sources
Summary of Contents for MPC5566
Page 81: ...Introduction MPC5566 Microcontroller Reference Manual Rev 2 1 24 Freescale Semiconductor...
Page 135: ...Signal Description MPC5566 Microcontroller Reference Manual Rev 2 2 54 Freescale Semiconductor...
Page 189: ...Reset MPC5566 Microcontroller Reference Manual Rev 2 4 20 Freescale Semiconductor...
Page 603: ...Flash Memory MPC5566 Microcontroller Reference Manual Rev 2 13 38 Freescale Semiconductor...
Page 609: ...SRAM MPC5566 Microcontroller Reference Manual Rev 2 14 6 Freescale Semiconductor...
Page 1073: ...MPC5566 Microcontroller Reference Manual Rev 2 22 36 Freescale Semiconductor...
Page 1185: ...Nexus MPC5566 Microcontroller Reference Manual Rev 2 25 92 Freescale Semiconductor...