Nu-Link2-Pro Debugger and Programmer
Mar. 13, 2020
Page
20
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
corresponding to the target board.
Bridge
Micro USB
SCL
SS
TXD
RS485A
MOSI
CNAH
GPIO1
ADC
GPIO0
PWM
SDA
CLK
RXD
RS485B
MISO
CNAL
VSS(GND)
VDD33
VSS(GND)
VDD33
NuMicro® Family
Target Board
Figure 3.3-1 Bridge
Interface
Connection Diagram for UART
Pin Name
Pin Number
Pin Corresponding to the Target Board
TXD
CON6.1
RXD
[1]
RXD
CON6.2
TXD
[1]
VCC33
CON6.14
VCC
[1]
VCC33
CON6.16
VCC
[1]
VSS(GND)
CON6.18
VSS(GND)
VSS(GND)
CON6.20
VSS(GND)
Note:
1.
The target board power and signal only supports 3.3V at Nu-Link2-Pro Bridge interface.
Table 3.3-2 Bridge
Interface
Corresponding Pin for UART
I
2
C Connection
The Nu-Link2-Pro provides one channel I
2
C function for monitor mode receive information, and print out