Contents
Arm
®
DSTREAM-ST System and Interface Design
Reference Guide
Preface
About this book ..................................................... ..................................................... 10
Chapter 1 Debug and trace interface
1.1 JTAG signals ..................................................... ..................................................... 1-13
1.2 Return Clock (RTCK) signal .................................................................................... 1-18
1.3 Reset signals ..................................................... ..................................................... 1-19
1.4 Run-Control signals ................................................ ................................................ 1-21
1.5 Serial Wire Debug (SWD) signals ..................................... ..................................... 1-22
1.6 Trace signals ..................................................... ..................................................... 1-24
1.7 Target Voltage Reference (VTREF) signals ............................................................ 1-26
1.8 I/O diagrams for DSTREAM-ST signals .................................................................. 1-28
1.9 Typical SWD circuit .................................................................................................. 1-30
1.10 Typical JTAG circuit ................................................ ................................................ 1-31
Chapter 2 Target interface connectors
2.1 Target connector selection guide ...................................... ...................................... 2-33
2.2 Arm JTAG 20 connector .......................................................................................... 2-34
2.3 CoreSight
™
10 connector ............................................ ............................................ 2-35
2.4 CoreSight
™
20 connector ............................................ ............................................ 2-36
2.5 TI JTAG 14 connector .............................................................................................. 2-38
2.6 Mictor 38 connector ................................................ ................................................ 2-39
100893_0100_06_en Copyright © 2017–2019 Arm Limited or its affiliates. All rights
reserved.
4
Non-Confidential