3.3.1 JP1
JP1 pin header is assembled by default.
JP1
Function
1
VDD
2
LED Power
3
Not connected
4
3V LDO Output
5
VDD
6
3V External Power supply
Table 12: Pin header JP1
3.3.1.1 JP1: Power LED separation
JP1
Function
Jumper set(default)
1<->2
Power LED sourced by VDD
Yes
Table 13: Pin header JP1 Power LED
3.3.1.2 JP1: Power supply selection
JP1 shall be set to choose either internal on-board LDO or the external 3V as power supply.
The power LED is connected to the VDD line by the 1-2 pins of JP1. To mea-
sure module current consumption, the jumper JP1 (1<->2 pins) shall be re-
moved.
.
JP1
Function
Jumper set(default)
4<->5
External 3V power supply
No
5<->6
Internal LDO power supply
Yes
Table 14: Pin header JP1 Power supply selection
On JP1 a current meter shall be connected instead of a jumper to measure the
current consumption of the module.
Thetis-I Mini Evaluation Board user manual version 1.0
© February 2021
www.we-online.com/wireless-connectivity
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