Nu-Link2-Pro Debugger and Programmer
Mar. 13, 2020
Page
17
of 77
Rev 1.00
NU
-LINK
2
-P
RO
D
E
B
UG
G
E
R
a
nd
P
RO
G
RA
MM
E
R U
S
E
R
M
A
NUA
L
Ma
k
er Nu
-m
be
d
NUC
47
2
Us
er Man
ua
l
SWD
Micro USB
NuMicro®
Family
Target Board
ICE_DAT
ICE_CLK
/RESET
VSS(GND)
VCC
START
NC
PASS/RX
FAIL/TX
BUSY
Figure 3.2-2 SWD
Interface
Connection Diagram for Virtual COM
Pin Name
Pin Number
Pin Corresponding to the Target Board
VCC
CON4.1
VCC
PASS/TX
CON4.8
UART_RX
VSS(GND)
CON4.9
VSS(GND)
FAIL/RX
CON4.10
UART_TX
Table 3.2-3 SWD
Interface
Corresponding Pin for Virtual COM
Automatic IC Programming Connection
The Nu-Link2-Pro provides Automatic IC Programming function to mass production. The Automatic IC
Programming connection pins are VCC (CON4.1), VSS (CON4.9), BUSY (CON4.2), START (CON4.4),
PASS (CON4.8) and FAIL (CON4.10). Figure 3.2-3 presents how to connect the target board to use
Automatic IC Programming and Table 3.2-4
shows the pin corresponding to the target board.