Nuvoton NuMaker-M251SD, Руководство пользователя, Страница: 17 / 45

NuMaker-M251SD
Aug. 18, 2020 Page 17 of 45 Rev 1.00
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3.4.4 1.8V Power Sources
Table 3-7 presents the 1.8 V power source.
Voltage Regular 5V Source Comment
ICEUP2 USB_HS_VBUS
ICEUP2 converts USB_HS_VBUS to 1.8V and supplies
1.8V to M251 platform
or ICE chip.
Table 3-7 1.8V Power Sources
3.4.5 Power Connectors
Table 3-8 presents the power connectors.
Connector Comment
JP1 V
DD
connector on the NuMaker-M251SD
JP2 V
SS
connector on the NuMaker-M251SD.
Table 3-8 Power Connectors
3.4.6 USB Connectors
Table 3-9 presents the USB connectors.
Connector Comment
ICEJ3
ICE USB connector on Nu-Link2-Me for power supply, debugging and
programming from PC.
J2 USB PWR connector on NuMaker-M251SD for power supply.
Table 3-9 USB Connectors
3.4.7 Power Switches
Table 3-10 presents the power switches.
Switch Comment
ICEJPR1 Configures the target chip operating voltage at 1.8 V / 3.3 V / 5 V.
ICEJPR2 Configures the ICE chip operating voltage at 1.8 V / 3.3 V.
SW2 Configures the target chip operating voltage at 3.3 V / 5 V.
Table 3-10 Power Switches