Jun. 11, 2018
Page
6
of 26
Rev 1.03
NUMICRO
™
NA
NO
10
2
/11
2
S
E
RI
E
S
US
E
R M
A
NU
A
L
NUC505
NuTiny -SDK-NUC505 Jumper Description
2.1
NuTiny-SDK-NUC505 is the specific development tool for NuMicro NUC505 series. Users can
use NuTiny-SDK-NUC505 to develop and verify the application program easily.
NuTiny-SDK-NUC505 includes two portions. One is NuTiny-EVB-NUC505 and the other is Nu-
Link-Me. NuTiny-EVB-NUC505 is the evaluation board and Nu-Link-Me is its Debug Adaptor.
Thus, users do not need other additional ICE or debug equipment.
2.1.1 Power Setting
ICON2: USB port in Nu-Link-Me
CON3: USB port in NuTiny-EVB-NUC505
J1: VCC5 Voltage connecter in NuTiny-EVB-NUC505
J2: VCC33 Voltage connecter in NuTiny-EVB-NUC505
POWER
model
ICON2 USB port
CON3 USB port
J1 VCC5
J2 VCC33
Model 1
Connect to PC
USB
X
X
X
Model 2
X
Connect to PC
USB
X
X
Model 3
X
X
External 5V power
X
Model 3
X
X
X
External 3.3V
power
X: Unused.
Boot Select (SW1)
S4
S3
S2
S1
Boot From
Descriptions
0
1
1
0
ICE SPI EXT
ICE Mode with External
SPI Flash
0
1
1
1
ICE-SPI
ICE Mode with Internal
SPI Flash
1
0
1
1
ICP
Boot from ICP Mode
1
1
0
1
SPI EXT
Boot from External SPI
Flash
1
1
1
0
USB
Boot from USB
1
1
1
1
SPI
Boot from Internal SPI
Flash
