MAC7200 datasheet(211/976 Pages) FREESCALE

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Introduction

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

133

Program Trace –

Indirect Branch

Message w/

Sync

TCODE

fixed

TCODE number = 12 (see Note below)

SRC

fixed

source processor identifier (multiple Nexus configuration)

I-CNT

variable

# sequential instructions executed since last taken branch

F-ADDR

variable

full target address (leading zero (0) truncated)

Data Trace –

Data Write

Message

w/ Sync

TCODE

fixed

TCODE number = 13

SRC

fixed

source processor identifier (multiple Nexus configuration)

DSZ

fixed

data size (Refer to Table 11-6)

F-ADDR

variable

full access address (leading zero (0) truncated)

DATA

variable

data write value (see Note)

Data Trace –

Data Read

Message

w/ Sync

TCODE

fixed

TCODE number = 14

SRC

fixed

source processor identifier (multiple Nexus configuration)

DSZ

fixed

data size (Refer to Table 11-6)

F-ADDR

variable

full access address (leading zero (0) truncated)

DATA

variable

data read value (see Note)

Watchpoint

Message

TCODE

fixed

TCODE number = 15

SRC

fixed

source processor identifier (multiple Nexus configuration)

WPHIT

fixed

watchpoint source(s) (refer to Table 11-3)

Resource Full

Message

TCODE

fixed

TCODE number = 27

SRC

fixed

source processor identifier (multiple Nexus configuration)

RCODE

fixed

resource code (Refer to Table 11-4)

HIST

variable

branch / predicate instruction history

Program Trace –

Indirect Branch

History

Message

TCODE

fixed

TCODE number = 28 (see Note below)

SRC

fixed

source processor identifier (multiple Nexus configuration)

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

Program Trace –

Indirect Branch

History

Message w/

Sync

TCODE

fixed

TCODE number = 29 (see Note below)

SRC

fixed

source processor identifier (multiple Nexus configuration)

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

Table 11-1. Public TCODEs Supported (Continued)

Message Name

Minimum

Packet

Size (bits)

Maximum

Packet

Size (bits)

Packet

Name

Packet

Type

Packet Description

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