Specifications

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Rev. 8 May.12 Proprietary and Confidential 21
I2S Audio Commands—I2S audio codec commands (Supported on I2S audio-
enabled modems only. For example, MC8704.)
!AVRXAGC Set/report Rx AVC/AGC configuration 145
!AVRXPCMFLTR Set/report the Rx PCM filter tap 146
!AVRXPCMIIRFLTR Set/report the Rx PCM IIR filter parameters 148
!AVRXVOLDB Set/report volume for each voice volume level in Rx direction 150
!AVSETPROFILE Configure and activate profile 151
!AVSN Set/report audio revision number 152
!AVTONEPLAY Play DTMF tone 152
!AVTONESETTINGS Enable/disable playing of locally-generated DTMF tones 153
!AVTXAGC Set Tx AGC 154
!AVTXPCMFLTR Set/report Tx PCM filter tap 155
!AVTXPCMIIRFLTR Set/report the Tx PCM IIR filter parameters 156
!AVTXVOL Set Tx volume 158
Table 1-7: Voice commands (Continued)
Command Description Page
Table 1-8: I2S audio commands
Command Description Page
!AVCODECBRG Configure codec registers to make call 165
!AVCODECCFG Configure codec register 165
!AVCODECRED Read a codec register 166
!AVCODECRST Configure codec registers for reset 166
!AVCUSTI2CCFG Configure external codec I2C details 167
!AVEC Set/report the echo cancellation setting 168
!AVMODESET Select codec mode 168
!AVREGVALWID Set codec register bit width 169
!AVRXDECGAIN Set/report voice decoder gain 169
!AVRPCMIIRFLTR Set/report the Rx PCM IIR filter parameters 170
!AVRXSPKRGAIN Set/report audio profile speaker gain 172
!AVRXVOLDB Set/report Rx voice volume 172
!AVSETDEV Set audio profile Rx and Tx mute states 173
!AVSETPROFILE Configure and activate profile 174
!AVSETSAMP Set I2S sample rate 175