Venice Single Board Computer Operating Manual
Battery Coin Cell Socket (J3)
The 12.5mm backup battery socket allows for easy replacement of the battery. A
standard 12.5mm, BR1225, 3V, 50mAH Lithium coin cell should be used when replacing
the battery. Replacement batteries can be ordered from Digi-Key with part number
P183-ND.
Optional Battery Coin Cell Header(J4)
The coin cell voltage is optionally provided through a 2-pin header in a 1x2 configuration
with 2mm pin spacing. The mating connector is a JST PAP-02V-S, available from
Digi-Key as part number 455-1486-ND. The mating connector pins are JST
SPHD-002T-P05, available from Digi-Key as part number 455-1313-1-ND.
Optional Primary 5V Supply Bypass Connector (J5)
5V power can be applied through an optional latching 2-pin connector in a 1x2
configuration with 2mm spacing. The 2-pin mating connector is a JST PAP-02V-S,
available from Digi-Key as part number 455-1486-ND. The mating connector pins are
JST SPHD-002T-P05, available from Digi-Key as part number 455-1313-1-ND.
Pin
Signal
1
5V
2
Ground
5VDC Input Connector
Optional Primary 3.3V Supply Bypass Connector (J6)
3.3V power can be applied through an optional latching 2-pin connector in a 1x2
configuration with 2mm spacing. The 2-pin mating connector is a JST PAP-02V-S,
available from Digi-Key as part number 455-1486-ND. The mating connector pins are
JST SPHD-002T-P05, available from Digi-Key as part number 455-1313-1-ND.
Pin
Signal
1
3.3V
2
Ground
3.3VDC Input Connector
Serial Peripheral Interface (SPI) Expansion (J7)
An SPI port is available through a 6-pin header in a 1x6 configuration with 2mm
spacing. The mating connector is a JST PAP-06V-S, available from Digi-Key as
part number 455-1490-ND. The mating connector pins are JST SPHD-002T-P05,
available from Digi-Key as part number 455-1313-1-ND.
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