Mb1779 2-Pin E3V3 Connector (Cn5); Mb1880 Usb-C ® Connector (Cn1); Table 17. External Power Source E3V3 (3.3 V); Figure 35. 2-Pin 2.54 Mm E3V3 Connector (Cn5) - ST STM32WL Series User Manual

7.4 MB1779 2‑pin E3V3 connector (CN5)
The CN5 is a standard 2‑pin E3V3 connector (2.54 mm pitch), not mounted on the CEB board. The CEB MB1779
board can be powered from the E3V3 connector (CN5) by plugging an external 3.3 V voltage supply (up to 3.6 V).
Connect
or number
CN5
Note: Refer to Power supply
7.5
MB1880 USB-C
The MB1880 board can be fully powered by a PC or by an external source supply through the USB Type-C
connector (CN1). Note that only the V
here to bring a 5 V voltage supply to the CEB MB1779 board through the STMod+ connector.
UM3127 - Rev 1
Figure 35.
Table 17.
Pin
Pin name
1 E3V3
2 GND
for more details.
®
connector (CN1)
voltage is connected on CN1 (no data pins at all). This connector is just
BUS
2‑pin 2.54 mm E3V3 connector (CN5)
3V3
GND
External power source E3V3 (3.3 V)
Signal
name
E3V3
GND
UM3127
Board connectors
Functions
E3V3 power
GND
®
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