Power Sources; Power Connectors; Usb Connectors; Power Switches - Nuvoton NuMicro M252 Series User Manual

2.5.4 1.8V Power Sources
Table 2-6 presents the 1.8 V power source.
Voltage Regular
ICEUP2 USB_HS_VBUS
2.5.5

Power Connectors

Table 2-7 presents the power connectors.
Connector
JP1
JP2
2.5.6

USB Connectors

Table 2-8 presents the USB connectors.
Connector
ICEJ3
J2
2.5.7

Power Switches

Table 2-9 presents the power switches.
Switch
ICEJPR1
ICEJPR2
SW2
Aug. 02, 2019
5V Source
ICEUP2 converts USB_HS_VBUS to 1.8V and supplies
1.8V to M252 platform or ICE chip.

Table 2-6 1.8V Power Sources

V (1.8 V ~ 5.5 V) connector on the NuMaker-M252SD.
DD
V connector on the NuMaker-M252SD.
SS

Table 2-7 Power Connectors

ICE USB connector on Nu-Link2-Me for power supply, debugging and
programming from PC.
USB FS connector on NuMaker-M252SD for power supply.

Table 2-8 USB Connectors

Configures the target chip operating voltage at 1.8 V / 3.3 V / 5 V.
Configures the ICE chip operating voltage at 1.8 V / 3.3 V.
Configures the target chip operating voltage at 3.3 V / 5 V.

Table 2-9 Power Switches

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NuMaker-M252SD
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Rev 1.00