The DS90UB964-Q1 is a sensor hub that aggregates up to four inputs acquired from a FPD-Link III stream and transmitted over a MIPI sensor serial interface (CSI-2). When coupled with the DS90UB913A-Q1 or DS90UB933-Q1 FPD-Link III serializers, the DS90UB964-Q1 receives data streams from multiple imagers that can be multiplexed on the same CSI-2 links. The DS90UB964-Q1 supplies two MIPI CSI-2 ports, configured with four lanes per port with up to 1.6Gbps per lane. The second MIPI CSI-2 output port is available to provide either more bandwidth or supply a second replicated output. The DS90UB964-Q1 can support multiple data formats (programmable as RAW, YUV, RGB) and different sensor resolutions. The CSI-2 TX module accommodates both image data and non-image data (including synchronization or embedded data packets).

The DS90UB964-Q1 CSI-2 interface combines each of the sensor data streams into packets designated for each virtual channel. The output generated is composed of virtual channels to separate different streams to be interleaved. Each virtual channel is identified by a unique channel identification number in the packet header.

The DS90UB964-Q1 device recovers a high-speed, FPD-Link III forward channel signal and generates a bidirectional control channel control signal in the reverse channel direction. The DS90UB964-Q1 converts the FPD-Link III stream into a MIPI CSI-2 output interface designed to support automotive sensors, including 1MP/60fps image sensors.

The DS90UB964-Q1 device has four receive input ports to accept up to four sensor streams simultaneously. The control channel function of the serializer/deserializer pair supplies bidirectional communication between the image sensors and ECU. The integrated bidirectional control channel transfers data bidirectionally over the same differential pair used for video data interface. This interface has advantages over other chipsets because the interface eliminates the need for additional wires for programming and control. The bidirectional control channel bus is controlled through an I2C port. The bidirectional control channel supplies continuous low latency communication and is not dependent on video blanking intervals.