ZHCSEN6D October 2014 – February 2022 DS90UH948-Q1
PRODUCTION DATA
I2S audio may be fanned-out and propagated in the repeater application. By default, data is propagated via data island transport on the FPD-Link interface during the video blanking periods. If frame transport is desired, connect the I2S pins from the deserializer to all serializers. Activating surround sound at the top-level serializer automatically configures downstream serializers and deserializers for surround-sound transport utilizing data island transport. If 4-channel operation utilizing I2S_DA and I2S_DB only is desired, this mode must be explicitly set in each serializer and deserializer control register throughout the repeater tree (GUID-60BE0D45-4ECE-419B-8DBC-A833CCA113EF.html#GUID-60BE0D45-4ECE-419B-8DBC-A833CCA113EF).
A DS90UH948-Q1 deserializer configured in repeater mode may also regenerate I2S audio from its I2S input pins in lieu of data island frames. See GUID-FBF49527-1542-48C5-B4B8-08DFEB827C32.html#SNLS44049965 and the I2C Control Registers (GUID-60BE0D45-4ECE-419B-8DBC-A833CCA113EF.html#GUID-60BE0D45-4ECE-419B-8DBC-A833CCA113EF) for additional details.