Venice Single Board Computer Operating Manual
2. CONNECTORS
The board interface connector pin assignments and signal descriptions are included in
the following sections. The connectors are listed in the table below.
Connector Populated
Function
J1
Yes
Micro SD / Nano SIM Socket
J2
Yes
Coin Cell Battery Socket
J3
Yes
Serial Peripheral Interface (SPI)
J4
Yes
MIPI CSI and DSI Header
J5
Yes
Peripheral Expansion (GPIO, UART, I2C, ADC)
J6
Yes
SOM Connector
J7
No
Test Header
J8
Yes
Mini-PCIe Socket with PCIe and USB 2.0
J9
Yes
SOM Connector
J10
Yes
Mini-PCIe Socket with PCIe and USB 2.0 and SIM
J11
Yes
RS232/RS485 Serial Ports
J12
Yes
5V Fan Speed Control
J13
Yes
Tamper Switch
J14
No
Optional GPS Receiver MMCX Antenna
J15
No
Optional Power Input Header
J16
Yes
Input Power Barrel Jack
J17
Yes
Gigabit Ethernet Ports and Active/Passive PoE Input
Power
J18
No
Optional USB Host Type A Socket
J19
Yes
USB OTG Micro B Socket
J20
No
Optional Push Button Switch Header
Connector Summary
Micro-SD Flash and Cellular Nano SIM Expansion Socket (J1)
Flash expansion is possible by installing an industry standard 11mm by 15mm Flash
card into the socket. The Micro-SD Flash card cannot be installed or removed with
power applied to the SBC. The Micro-SD and Nano SIM sockets are combined. The
command signal is routed to the processor.by default. The Nano SIM socket is routed to
Mini-PCIe socket J10.
Battery Coin Cell Socket (J2)
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.
Serial Peripheral Interface (SPI) Expansion (J3)
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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