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78K0R/Lx3 – Sense it!
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User’s Manual
U20191EE1V0UM00
21
Open
Use port110 for other purpose
Short
Connect port111 to SW1
P111
Short
Open
Use port111 for other purpose
Short
Connect port150 to analog circuit
P150
Short
Open
Use port150 for other purpose
Short
Connect port157 to GND
P157
Short
Open
Use port157 for other purpose
Short
Connect to VDD when SW4-1 is set to "ON"
VLC0
Short
Open
Connect VLC0 not to VDD
Table 11: TK78K0R/LH3+LCD Solder Short Pads
2.10 External Power Supply
A Power supply other than USB is available by using the terminal (J2: VDD, J3: GND) or button battery
socket (not mounted) on the back side of substrate. Set the JP1 to 2-3 short and connect a stabilized power
supply to the terminal pins J2 (VDD) and J3 (GND). Also, you can mount battery socket on J4 to supply
power from battery.
Support battery socket:
KEYSTONE 1060
Caution:
Do not supply power from terminal while using a battery. If the terminal (J2: VDD) and
the anode of the battery is connected, the battery will be destroyed.