Device overview
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A – DEBUG TOOL connector.
B – TARGET connector.
C – LED lights indicate power supply status.
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If LEDs on the GI Adapter are OFF, immediately turn everything OFF! |
D – USB PD Power supply socket (PWR).
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Use only original USB PD Power supply for powering and connecting with the GI Adapter, otherwise the primary functionality of the GI Adapter would be counteracted. |
E – Debug interface (SWD, JTAG) selection.
Both jumpers (SW1, SW2) should be in the same position to achieve the desired debug interface. The legend is printed on the housing.
Debug interface |
SW1 |
SW2 |
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SWD |
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JTAG |
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Pinout
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 |
Not Connected / JTAG |
NC/TDI |
5 |
6 |
GND |
Ground |
|
I/O / O |
SWD/JTAG |
SWDIO/TMS |
7 |
8 |
GND |
Ground |
|
O |
SWD/JTAG |
SWDCLK/TCK |
9 |
10 |
GND |
Ground |
|
I |
Return TCK |
RTCK |
11 |
12 |
GND |
Ground |
|
I |
SWD/JTAG |
SWO/TDO |
13 |
14 |
GND |
Ground |
|
I/O |
Reset |
nRESET |
15 |
16 |
GND |
Ground |
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O |
Debug Request |
DBGRQ |
17 |
18 |
GND |
Ground |
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I |
Debug Acknowledge |
DBACK |
19 |
20 |
GND |
Ground |
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20-pin Arm pinout
