Like many other contemporary mainstream A/V decoders, the maximum capture window that these chips support is "up to 768 x 576 (square pixel PAL/SECAM)". In terms of its analog to digital signal processing capabilities, the cx2388x brings some improvements over the older Fusion 878A chipset. The chips have the same (identical?) RISC programs as the Bt878 and the same kind of I☬ bus control controller. Executing the command lspci will reveal in it's output that the cx2388x has the following ports:Ġ0:09.0 Multimedia video controller: Conexant CX2/3 PCI Video and Audio Decoder (rev 05)Ġ0:09.1 Multimedia controller: Conexant CX2/3 PCI Video and Audio Decoder (rev 05)Ġ0:09.2 Multimedia controller: Conexant CX2/3 PCI Video and Audio Decoder (rev 05)Ġ0:09.4 Multimedia controller: Conexant CX2/3 PCI Video and Audio Decoder (rev 05) In fact, the CX2388x chips have 6 (?) PCI functions, but fortunately they all share the same (huge 16MB!) memory mapping. These chips provide a/v decoder functionality and have dedicated DVB support in a new PCI function, as opposed to the hackish approach employed by its predecessor, the 878A which provided DVB support via use of the chip's digital audio input lines.
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