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2017
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5.3
SATA
The conga-MA5 offers two SATA interfaces on the COM Express connector via a SATA host controller integrated in the Intel
®
Apollo Lake SoC.
The controller supports independent DMA operation, AHCI operations and data transfer rates of 1.5 Gb/s, 3.0 Gb/s and 6.0 Gb/s. IDE Mode
is not supported.
5.4
Universal Serial Bus
The conga-MA5 offers up to eight USB ports (6x USB 2.0 and 2x USB 3.0/2.0) routed directly from the SoC. One USB 2.0 port supports Dual Role.
5.4.1
USB 2.0
The conga-MA5 offers six USB 2.0 interfaces on the COM Express connector including one USB 2.0 Dual Role port. The xHCI host controller in
the SoC complies with USB standard 1.1 and 2.0 with high-speed, full-speed and low-speed USB signalling.
Note
USB Dual Role is only supported under Linux. The port is a standard USB Host port under Windows.
Caution
To pass the Electrical Fast Transient (EFT) test, you must add a schottky diode (1SS402 or equivalent) to all USB2.0 data lanes routed to a
connector on your carrier board. The schottky diode must be placed before the common-mode choke as shown below.
