CS47L24 datasheet(82/256 Pages) CIRRUS

82 / 256 page

CS47L24

Rev 4.1

AIF1 TX8 output

AIF1 TX7 output

AIF1 TX6 output

AIF1 TX5 output

AIF1 TX4 output

AIF1 TX3 output

AIF1 TX2 output

AIF1 TX1 output

AIF1 RX3 (22h)

AIF1 RX4 (23h)

AIF1 RX5 (24h)

AIF1 RX6 (25h)

AIF1 RX7 (26h)

AIF1 RX8 (27h)

AIF1 RX1 (20h)

AIF1 RX2 (21h)

AIF1_RATE

AIF3_RATE

AIF2_RATE

OUT_RATE

AIF3 TX2 output

AIF3 TX1 output

AIF3 RX1 (30h)

AIF3 RX2 (31h)

AIF2 TX6 output

AIF2 TX5 output

AIF2 TX4 output

AIF2 TX3 output

AIF2 TX2 output

AIF2 TX1 output

AIF2 RX3 (2Ch)

AIF2 RX4 (2Dh)

AIF2 RX5 (2Eh)

AIF2 RX6 (2Fh)

AIF2 RX1 (2Ah)

AIF2 RX2 (2Bh)

OUT4L output

OUT1R output

OUT1L output

Figure 27 Digital Core Sample Rate Control (External Digital Interfaces)

The input signal paths may be selected as input to the digital mixers or signal processing functions. The sample rate for

the input signal paths is configured using the IN_RATE register.

The output signal paths are derived from the respective output mixers. The sample rate for the output signal paths is

configured using the OUT_RATE register. The sample rate of the AEC Loopback path is also set by the OUT_RATE

The AIFn RX inputs may be selected as input to the digital mixers or signal processing functions. The AIFn TX outputs

are derived from the respective output mixers. The sample rates for digital audio interfaces (AIF1, AIF2 and AIF3) are

configured using the AIF1_RATE, AIF2_RATE and AIF3_RATE registers respectively.

The EQ, LHPF and DRC functions can be enabled in any signal path within the digital core. The sample rate for these

functions is configured using the FX_RATE register. Note that the EQ, DRC and LHPF functions must all be configured

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