
NuMaker-M251SD
Aug.
18, 2020
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NUMAKER-M251SD OVERVIEW
Front View
Figure 3-1 Front View of NuMaker-M251SD
Figure 3-1 shows the main components and connectors from the front side of NuMaker-M251SD. The
following lists components and connectors from the front view:
Target Chip: M251SD2AE(U1)
USB PWR Connector(J2)
Arduino UNO Compatible Extension Connectors (NU1, NU2, NU3, NU4)
M251 Extension Connectors (JP3, JP4, JP5 and JP6)
External V
DD
Power Connector(JP1)
External V
SS
Power Connector(JP2)
External V
REF
Connector(VREF1)
VDD Switch(SW2)
Ammeter Connector(AMMETER)
Reset Button(SW1)
Power LED and PB14 LED(LEDG1 and LEDR1)
Nu-Link2-Me
VCOM Switch
ICE Chip: M48SSIDAE(ICEU2)
ICE USB Connector(ICEJ3)
ICE Status LED(ICES0,ICES1, ICES2, ICES3)
Off-line Program Button(ICESW1)