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CS7808-CM Datasheet(PDF) 46 Page - Cirrus Logic |
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CS7808-CM Datasheet(HTML) 46 Page - Cirrus Logic |
46 / 52 page ![]() CS7808 46 6.8 AC97/CODEC Interface This serial interface could be used either as a second PCM CODEC interface or as an AC97 serial link to an AC97 compliant CODEC. This interface could control a modem, or a second set of audio channels. Table 23 describes the pin to signal assignments for the AC97/CODEC Interface. Pin Signal Name Type Description 142 CDC_DI I Serial Data Input from Modem CODEC 144 CDC_DO O Serial Data Output to Modem CODEC 146 CDC_RST O Reset Output to Modem CODEC 147 CDC_CK I Serial Bit Clock input from Modem CODEC 148 CDC_SY B Frame Sync, output when CS7808 is master, input when CODEC is master. Table 23. AC97/CODEC Interface |