10-pin 1.27mm CoreSight to 20-pin 2.54mm Arm Converter
|
This converter is required only when the Arm HSSTP II Active Probe is connected to the target providing the 20-pin 2.54 mm Arm target debug connector exposing only the debug interface without the Arm HSSTP trace interface. No trace interface (e.g. SWO, parallel) is supported with this converter. The converter is delivered along the Active Probe.
The following pinout is valid on the target side:
Signal Direction |
Signal Description |
Signal |
Pin |
Pin |
Signal |
Signal Description |
Signal Direction |
|---|---|---|---|---|---|---|---|
I |
Reference Voltage |
Vref |
1 |
2 |
NC |
Not Connected |
|
O |
JTAG |
nTRST* |
3 |
4 |
GND |
Ground |
|
O |
JTAG |
TDI |
5 |
6 |
GND |
Ground |
|
I/O |
JTAG/SWD |
TMS/SWDIO |
7 |
8 |
GND |
Ground |
|
O |
JTAG/SWD |
CLK/SWCLK |
9 |
10 |
GND |
Ground |
|
|
Not Connected |
NC |
11 |
12 |
GND |
Ground |
|
I |
JTAG/SWD |
TDO |
13 |
14 |
GND |
Ground |
|
I/O |
Reset |
nRESET |
15 |
16 |
GND |
Ground |
|
|
Not Connected |
NC |
17 |
18 |
GND |
Ground |
|
|
Not Connected |
NC |
19 |
20 |
GND |
Ground |
|
20-pin CoreSight pinout
* nTRST is permanently pulled up
Signal Direction is described from the BlueBox perspective.
