Subsystem /
Feature Set
Connectors
Interfaces
3 x MIPI CSI
2 x USB HS & 1 x
USB SS
1 x MIPI DSI (DSI0
& DSI1) + Touch
100-pin display
Connector
3 X PCIe
Connector
3 x board to board
connector
3.8.2 µSOM RF Specification for WIFI, BT, GPS
The µSOM includes the following radio interfaces:
o Wi-Fi + BT: ANT1
o Wi-Fi only: ANT2
o WGR7640: For GPS RF Front end
Antenna 1: Antenna 1 is used for providing Wi-Fi and Bluetooth connectivity to QCA6174. This antenna is
meant to be connected to the carrier board via a coaxial cable. The function of this connector is for extending
the dual band capabilities of the Wi-Fi chip; therefore, enabling this antenna to be used simultaneously with
Antenna 2. For example, Antenna 2 can be connected to 2.4GHz while Antenna 1 can be connected to 5.1
GHz. To turn on Bluetooth, only Antenna 1 can be used.
Antenna 2: Antenna 2 provides Wi-Fi connectivity for QCA6174. This antenna connector is meant to be
connected to the carrier board PCB antenna via a coaxial cable. ANT2 is a standard dual band antenna from
2.4 GHz to 5.1 GHz.
Open-Q™ 820 / 820Pro µSOM Dev Kit User Guide
Description
Camera Connectors
CSI0, CSI1, CSI2
1 x USB3.1 header, 1 x dual
stack type A USB3.0 via USB
HUB for front USB (from
USB1 line), 1 x USB 2.0 via
switch (from USB1 line), 1 x
micro AB USB 2.0 (from
USB2 line)
100- pin display connector.
Interfaces with Lantronix
Display Adapter Board
PCIe 0 PCIe signal to Wi-Fi
module. PCIe 1, 2 routed out
of µSOM
Connectors to interface with
carrier board
Open-Q 820 µSOM Development Kit
Specification
MIPI Alliance Specification
v1.0
USB3.1 & USB2.0
MIPI Alliance Specification
v1.01. MIPI D-PHY
Specification v0.65,v0.81,
v0.90, v1.01
PCI Express Specification, Rev
2.1
Hirose DF40C series 100pin
connector
18
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