Audio Connector - Seco Qseven CQ7-D03 User Manual

USB_ID: Client/Host identification signal. This signal is high when the USB port works in client mode, is low when works in Host mode.
Please be aware that the USB OTG port has been designed according to, published by SGET consortium, that foresee the use of signal USB_DRIVE_VBUS, present
on formerly reserved pin #56.
Correct USB OTG functionalities, therefore, are ensured only for modules developed according to Qseven
When the system (Carrier board + Qseven
and reconnecting main power supply of the carrier board.
In case main power supply is disconnected, it is necessary to also disconnect the external Host from CN8 before reconnecting again the main PSU,
otherwise the system will not boot.

3.3.7 Audio connector

The CQ7-D03 carrier board offers an optional audio connection, controlled by the I2S Audio Codec type TLV320AIC3204IRHBR.
TRRS Audio jack- CN18
Pin Signal
TIP Headphone Out Left Channel
RING1 Headphone Out Right Channel
RING2 GND
SLEEVE MIC_IN
CQ7-D03
CQ7-D03 - Rev. First Edition: 1.1 - Last Edition: 1.0 - Author: S.O. - Reviewed by M.B. Copyright © 2022 SECO S.p.A.
® module) is working in client mode (i.e., an external Host is connected to port CN8), please avoid disconnecting
In order to reduce the space dedicated to connectors, there is a TRRS Combo Audio Jack, i.e. a
single jack which offer both stereo Line Out and Mic In functionalities.
Such TRRS Combo Audio jack can be used with any 4-poles 3.5mm diameter audio jack, with
pinout compatible with the most recent Headsets, shown in the table on the left.
The I2S Audio Codec is managed by the I2S signals and the GP0_I2C bus, both from the Qseven
®
Specifications rel. 2.0 Errata Sheet.
®
module.
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