mcf5307cft90b Freescale Semiconductor, Inc, mcf5307cft90b Datasheet - Page 143
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mcf5307cft90b
Manufacturer Part Number
mcf5307cft90b
Description
Mcf5307 Coldfire Integrated Microprocessor User
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF5307CFT90B.pdf
(484 pages)
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31–30
29/13
15:14
Bits
DRc[4–0]
A write to TDR clears the CSR trigger status bits, CSR[BSTAT].
Section Table 5-14., “TDR Field Descriptions,” describes how to handle multiple
breakpoint conditions.
Table 5-14 describes TDR fields.
Reset
Reset
Field
Field
R/W Write only. Accessible in supervisor mode as debug control register 0x07 using the WDEBUG instruction and
TRC
EBL
Name
LxT
through the BDM port using the
31
15
TRC
LxT
Trigger response control. Determines how the processor responds to a completed trigger condition. The
trigger response is always displayed on DDATA.
00 Display on DDATA only
01 Processor halt
10 Debug interrupt
11 Reserved
Level-x trigger. This is a Rev. B function. The Level-x Trigger bit determines the logic operation for the
trigger between the PC_condition and the (Address_range & Data_condition) where the inclusion of a
Data condition is optional. The ColdFire debug architecture supports the creation of single or double-level
triggers.
TDR[15]
0 Level-2 trigger = PC_condition & Address_range & Data_condition
1 Level-2 trigger = PC_condition | (Address_range & Data_condition)
TDR[14]
0 Level-1 trigger = PC_condition & Address_range & Data_condition
1 Level-1 trigger = PC_condition | (Address_range & Data_condition)
Enable breakpoint. Global enable for the breakpoint trigger. Setting TDR[EBL] enables a breakpoint
trigger. Clearing it disables all breakpoints.
30
14
The debug module has no hardware interlocks, so to prevent
spurious breakpoint triggers while the breakpoint registers are
being loaded, disable TDR (by clearing TDR[29,13] before
defining triggers.
EBL
EBL
29
13
Figure 5-12. Trigger Definition Register (TDR)
EDLW EDWL EDWU EDLL EDLM EDUM EDUU
EDLW EDWL EDWU EDLL EDLM EDUM EDUU
28
12
Freescale Semiconductor, Inc.
For More Information On This Product,
Table 5-14. TDR Field Descriptions
27
11
WDMREG
Chapter 5. Debug Support
Go to: www.freescale.com
26
10
command.
0000_0000_0000_0000
0000_0000_0000_0000
25
9
NOTE:
Second-Level Trigger
24
First-Level Trigger
8
Description
0x07
23
7
22
6
DI
DI
21
5
EAI EAR EAL EPC PCI
EAI EAR EAL EPC PCI
20
4
Programming Model
19
3
18
2
17
1
5-15
16
0
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