EP9442(U) is an 3.4G Hz HDMI 1.4 4-IN 2-OUT Repeater with MHL, ARC and Instant Port Switching (IPS) feature which is suitable for Switch Box, TV with PIP/POP and Audio Amplifier applications. The chip supports 1 HDMI/MHL input port (RX0), 3 HDMI input ports (RX1, RX2, RX3) and 2 HDMI output ports (TX0, TX1). The chip supports 4 HDCP RX ciphers and 2 HDCP TX ciphers. With 4 HDCP RX ciphers the chip supports very fast port switching without the need to redo HDCP authentication when port switching

•On-chip 4-IN 2-OUT HDMI Repeater with Equalizer •Supports 4 HDMI input ports (Port 0/1/2/3) with on-chip EDID RAM for each port •Support HDMI/MHL dual mode in RX0 port •On-chip 4 HDCP RX ciphers which support Instant Port Switching (IPS). With this feature, port switching can be very fast because there is no need to redo HDCP authentication when port switching occurs. •Supports 2 HDMI output ports with on-chip HDCP TX cipher for each port •Support matrix switching from any input port to any output port •Support wide Frequency Range: 25MHz - 340MHz TMDS clock •Supports 12-bit Deep Full HD, Full 3D and 4K2K video •Supports Standard Audio, DSD Audio and HD (HBR) Audio •Support HDMI 1.4 ARC (Audio Return Channel) RX •Support IEC 60958-1 audio stream receiving in ARC in both Common Mode and Single Mode •On-chip HDMI Receiver and Transmitter core which are compliant with HDMI 1.4 specification •On-chip MHL Receiver core which is compliant with MHL 1.1 specification •On-chip HDCP RX/TX Engines support Repeater and are compliant with HDCP 1.3 specification •Audio Outputs and HDMI output can be from the same or different sources •Audio for HDMI output can be from a regenerated LPCM audio source or the original audio from the selected HDMI input port •On-chip Audio Decoder which support 8-channel IIS/DSD and SPDIF audio outputs •Supports Standard Audio, DSD Audio and HD (HBR) Audio •Supports audio soft mute •Supports SPDIF Channel Status extraction •Register-programmable via slave IIC interface •Flexible interrupt registers with interrupt pin •Link On and Valid DE Detection •Controllable tri-state for Audio output pins •On-chip Power Regulator which provides regulated 3.0V and 1.6V power •Low stand-by current (< 1mA) at power down mode •128-pin LQFP package

Matrix Switch Box TV with PIP/POP Audio Amplifier