The DSTREAM probe unit allows DSTREAM to interface with all commonly-used debug and trace interfaces provided on a target. It connects to the main DSTREAM unit by a 100mm high-density ribbon cable. An optional 2m cable is available. When connecting to the target, select the appropriate connectors on the probe to match the connectors on the target. Cables for each of these connectors are supplied with DSTREAM. At any one time, use only the cables that are to be connected to the probe unit for the current debug trace session. The available connectors are:
- ARM JTAG 14
This is an older ARM connector standard which is now rarely used.
- TI JTAG 14
This is a Texas Instruments connector standard used by most TI-based target boards.
- ARM JTAG 20
This is the most commonly-used debug connector standard for ARM-based target boards.
- MICTOR 38
This is the most commonly-used trace connector standard for ARM-based target boards. It can also incorporate all the debug signals if they use the same voltage domain.
- MIPI 34
This is a MIPI connector standard that supports debug and trace signals. It has two VTref signals, allowing debug and trace signals to use different voltage domains.
- CORESIGHT 10/20
These are high-density connectors that support the 10-way and 20-way CoreSight standards in addition to a subset of the MIPI debug connection standards.
See the following figure.
See also- Concepts
- Reference
ARM DSTREAM™ System and Interface Design Reference:
PDF version