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1
ARM DSTREAM-PT manual available for free PDF download: Reference Manual
ARM DSTREAM-PT Reference Manual (60 pages)
System and Interface Design
Brand:
ARM
| Category:
Computer Hardware
| Size: 0 MB
Table of Contents
Copyright © 2019 Arm Limited or Its Affiliates. All Rights Reserved
2
Table of Contents
4
About this Book
10
Chapter 1 Debug and Trace Interface
10
Preface
10
Table
11
Figure 1-1 Simple JTAG Connection
13
JTAG Signals
13
Figure 1-2 Chained JTAG Connection
14
JTAG Timing Characteristics
14
Figure 1-3 JTAG Timing Diagram
15
Figure 1-4 Basic JTAG Port Synchronizer
16
Figure 1-5 Timing Diagram for the Basic JTAG Synchronizer
16
Figure 1-6 JTAG Port Synchronizer for Single Rising-Edge D-Type ASIC Design Rules
16
Figure 1-7 Timing Diagram for the D-Type JTAG Synchronizer
17
Return Clock (RTCK) Signal
18
Reset Signals
19
Figure 1-8 Example Reset Circuit
20
Run-Control Signals
21
Figure 1-9 SWD Timing Diagrams
22
Serial Wire Debug (SWD) Signals
22
SWD Timing Requirements
22
Trace Signals
24
Figure 1-10 TRACECLK Timing Diagram
25
Table 1-3 TRACECLK Characteristics
25
Target Voltage Reference (VTREF) Signals
26
Figure 1-11 Target Interface Logic Levels
27
Figure 1-12 Input/Output Signals
28
Figure 1-13 TCK Signal
28
Figure 1-14 Reset Signals
28
I/O Diagrams for DSTREAM-PT Signals
28
Figure 1-15 Trace Signals
29
Figure 1-16 VTREF Signals
29
Figure 1-17 Typical SWD Circuit
30
Typical SWD Circuit
30
Figure 1-18 Typical JTAG Circuit
31
Typical JTAG Circuit
31
Table 2-1 Connector Attributes
34
Target Connector Selection Guide
34
Arm JTAG 20 Connector
35
Arm JTAG 20 Pinout Table
35
Figure 2-1 Arm JTAG 20 Connector Pinout
35
10 Connector
36
Figure 2-2 Coresight 10 Connector Pinout
36
Table 2-3 Arm Coresight 10 Pinout Table
36
20 Connector
37
Arm Coresight 20 Pinout Table (DSTREAMCS20=0)
37
Figure 2-3 Coresight 20 Connector Pinout
37
Arm Coresight 20 Pinout Table (DSTREAMCS20=1)
38
Figure 2-4 TI JTAG 14 Connector Pinout
39
TI JTAG 14 Connector
39
TI JTAG 14 Pinout Table
39
Figure 2-5 Mictor 38 Connector Pinout
40
Mictor 38 Connector
40
Mictor 38 Pinout Table
40
Dual Mictor Connectors
42
Figure 2-6 Dual Mictor Connector Pinout
43
Mictor B Pinout Table
44
Figure 2-7 MIPI 34 Connector Pinout
45
MIPI 34 Connector
45
MIPI 34 Pinout Table
45
Figure 2-8 MIPI 60 Connector Pinout
47
MIPI 60 Connector
47
MIPI 60 Pinout Table
47
Auxiliary (AUX) Connector
49
Figure 2-9 User I/O Connector Pinout
50
User I/O Connector
50
User I/O Pinout Table
50
Figure 3-1 Point-To-Point Signal
52
Figure 3-2 Stub Length
52
Overview of High-Speed Design
52
Figure 3-3 Long Stub Causing False Edges
53
Figure 3-4 Improved Route with Shorter Stub
53
Figure 3-5 JTAG Connection Without Buffers
55
Figure 3-6 JTAG Connection with TDO Buffer
55
Figure 3-7 Daisy-Chained JTAG Connection Without Buffers
55
JTAG Port Buffering
55
Figure 3-8 Daisy-Chained JTAG Connection with TCK Buffers
56
Figure 3-9 Fully Buffered JTAG Connection
56
Series Termination
58
Table 3-1 Typical Series Terminating Resistor Values
58
Parallel Trace Modeling
59
Target Design Checklist
60
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