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CS98200 Datasheet(PDF) 53 Page - Cirrus Logic |
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CS98200 Datasheet(HTML) 53 Page - Cirrus Logic |
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53 / 60 page ![]() DS581PP2 Copyright 2002 Cirrus Logic (All Rights Reserved) 53 CS98200 Next Generation DVD Processor 8.7 DVD Loader Interface This interface connects to standard DVD loaders, and consists of three parts: Control, DVD Data and CD Data. (See Table 21.) This interface shares CS98200 pins with the Host Master/ATAPI interface. (See Table 20 on page 52.) The definition of the pins is set via register programming, and the two modes are mutually exclusive. 8.8 DVD Serial Data Interface This interface connects to the data port of low cost DVD loaders using a 4-wire serial interface. In this case, control for the loader will typically be done using the 2-wire serial interface master. The ATAPI/IO channel pins are then free to be used for a second DVD loader, a general purpose ATAPI, or as GPIOs. Pin Signal Name Type Description 174, 175, 178, 179, 182, 183, 184, 185 DVD_D[7:0] I Primary DVD Data 168 DVDL_RDY I Primary DVD Control Ready 236 DVD_STB I Primary DVD Data Strobe 237 DVD_ENA I Primary DVD Data Enable 238 DVD_SOS I Primary DVD Start Sector 239 DVD_ERR I Primary DVD Error 116 DVD_RDY O Primary DVD Data Request 117 DVDL_DI I Primary DVD Control Data In 118 DVDL_DO O Primary DVD Control Data Out 119 DVDL_CK O Primary DVD Control Clock 144 CD_BCLK I Primary CD Bit Clock 145 CD_LRCK I Primary CD L/R Clock 146 CD_DATA I Primary CD Data 147 CD_C2PO I Primary CD C2P0 Table 21. DVD I/O Channel Interface Pin Signal Name Type Description 144s /141s DVDS_CLK I DVD Clock Input 146s/143s DVDS_DATA I DVD serial data input (data can be input MSB or LSB first) 147s/140s DVDS_VLD I DVD valid ( a bit of data is clocked in when this pin is high) 145s/142s DVDS_SOS I DVD start of sector input |
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