ARM DSTREAM-PT Reference Manual page 6

System and interface design
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List of Figures
Arm
DSTREAM-PT System and Interface Design
®
Reference Guide
101714_0100_02_en
Simple JTAG connection ....................................................................................................... 1-13
Chained JTAG connection ..................................................................................................... 1-14
JTAG timing diagram ............................................................................................................. 1-15
Basic JTAG port synchronizer ............................................................................................... 1-16
Timing diagram for the Basic JTAG synchronizer .................................................................. 1-16
Timing diagram for the D-type JTAG synchronizer ................................................................ 1-17
Example reset circuit ............................................................................................................. 1-20
SWD timing diagrams ............................................................................................................ 1-22
TRACECLK timing diagram ................................................................................................... 1-25
Target interface logic levels ................................................................................................... 1-27
Input/Output signals ............................................................................................................... 1-28
TCK signal ............................................................................................................................. 1-28
Reset signals ......................................................................................................................... 1-28
Trace signals .......................................................................................................................... 1-29
VTREF signals ....................................................................................................................... 1-29
Typical SWD circuit ................................................................................................................ 1-30
Typical JTAG circuit ............................................................................................................... 1-31
Arm JTAG 20 connector pinout .............................................................................................. 2-35
CoreSight 10 connector pinout .............................................................................................. 2-36
CoreSight 20 connector pinout .............................................................................................. 2-37
TI JTAG 14 connector pinout ................................................................................................. 2-39
Non-Confidential
6

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