I2S Pinout Profiles
I²S pinout profiles identify the supported signal assignments for an external I²S connection.
An HDMI-shaped I²S connector has no single universally shared pin mapping. Profiles may follow a named manufacturer’s arrangement or provide specified custom settings.
I2S Pinout Profiles — DAC
On a DAC, the supported input mapping must match the source’s I²S output. A profile can define clock, data and any PCM/DSD-related signal assignments needed for the link.
Compare the actual mapping on both devices, not only the connector shape or a broad compatibility label. A list of profiles does not by itself say how selection is performed, and pin compatibility does not establish supported audio rates.
I2S Pinout Profiles — Upscaler
On an upscaler, the I²S profile determines how the output’s signals are assigned to the connector. The intended receiving DAC must use a compatible mapping for the selected output mode.
Compare the supported profile and any DSD-specific assignments with the DAC. Keep a fixed profile distinct from a choice of selectable profiles. Standard HDMI audio compatibility does not establish compatibility with an I²S link using the same connector shape.
I2S Pinout Profiles — CD Transport
On a CD transport, the I²S pinout describes the mapping used to send the disc’s digital audio to a matched DAC. Both ends need the corresponding signal assignment.
Compare the specified profile with the DAC rather than assuming all HDMI-shaped I²S connections match. Output count and supported sample rates are separate specifications. A named profile can be fixed; it does not automatically imply user-selectable wiring.
I2S Pinout Profiles — SACD Transport
On an SACD transport, an I²S profile can include assignments relevant to both PCM and supported DSD transfer. The receiving DAC needs the correct mapping for the intended playback mode.
Compare the profile and any DSD-channel or mode-signal details on both devices. Pinout support alone does not prove that SACD DSD is available through that output. Keep output-format restrictions separate from the physical connector and signal mapping.