Pinout
10-pin 1.27mm CoreSight Debug Adapter
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
SWDIO/TMS
JTAG
I/O
Ground
GND
3
4
SWCLK/TCK
JTAG
O
Ground
GND
5
6
SWO/TDO
JTAG
I
Not
Connected
KEY
7
8
NC/TDI
Not
Connected /J
TAG
O
Ground
GND
9
10
nRESET
Reset
I/O
ARM CoreSight 10 pinout
20-pin 1.27mm CoreSight Debug Adapter
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
SWDIO / TMS
JTAG
I/O / O
Ground
GND
3
4
SWCLK / TCK
JTAG
O
Ground
GND
5
6
SWO / TDO
JTAG
I
Not
Connected
KEY
7
8
NC / TDI
Not
Connected /
JTAG
O
Ground
GND
9
10
nRESET
Reset
I/O
Reference
Voltage/Grou
nd
NC_CAPGND
11
12
NC
Not
Connected
Reference
Voltage/Grou
nd
NC_CAPGND
13
14
NC
Not
Connected
Ground
GND
15
16
NC
Not
Connected
Ground
GND
17
18
NC
Not
Connected
Ground
GND
19
20
NC
Not
Connected
ARM CoreSight 20 pinout
