CoLinkEx JTAG/SWD adapter
www.bravekit.com
5
4.
SW interface
CoLinkEx JTAG connector is also compatible to ARM.s Serial Wire Debug (SWD).
Pin
Signal
TYPE
Description
1
3V3 OUT
Power
3V3 output for supply target board from voltage
regulator of CoLinkEx. Voltage on this pin available,
if “3V3” jumper is closed
7
SWDIO
Input/Output
Single bi-directional data pin. A pull-up
resistor is required. ARM recommends 100
kOhms
9
SWCLK
Output
Clock signal to target CPU.
It is recommended that this pin is pulled to a
defined state on the target board. Typically
connected to TCK of target CPU.
13
SWO
Output
Serial Wire Output trace port. (Optional, not
required for SWD communication.)
4,6,8,10,12,1
4,16
GND
Ground
These pins connected to GND in CoLinkEx.
They should also be connected to GND in the
target system
5.
JTAG connector pins numbers
Numbers of JTAG connector pins showed on photo below
1
2
20
19
3
4
