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CS4237B Datasheet(PDF) 36 Page - Cirrus Logic |
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CS4237B Datasheet(HTML) 36 Page - Cirrus Logic |
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36 / 114 page  Right ADC Input Control (I1) Default = 000x0000 D7 D6 D5 D4 D3 D2 D1 D0 RSS1 RSS0 RMGE res RAG3 RAG2 RAG1 RAG0 RAG3-RAG0 Right ADC Gain. The least significant bit represents +1.5 dB, with 0000 = 0 dB. See Table 7. res Reserved. Must write 0. Could read as 0 or 1. RMGE This bit has no function in MODE 3. In MODEs 1 & 2 it controls the 20 dB gain boost for the right MIC in- put to the ADCs. RSS1-RSS0 Right output loopback. In MODE 3 setting these bits to 11 enables the right output loopback into the input mixer. Other bit combinations dis- able the loopback. In MODEs 1 & 2, the input mixer is used as a mux. where these bits se- lect the right ADC input source. 00 - RLINE 01 - RAUX1 10 - RMIC 11 - Right Output Mixer Loopback Left Auxiliary #1 Volume (I2) Default = 11101000 D7 D6 D5 D4 D3 D2 D1 D0 LX1OM LX1IM LX1BM LX1G4 LX1G3 LX1G2 LX1G1 LX1G0 LX1G4-LX1G0 Left Auxiliary #1, LAUX1, Mix Gain. The least significant bit represents 1.5 dB, with 01000 = 0 dB. See Table 10. LX1BM Left Auxiliary #1 Bypass Mute. In MODE 3, when set, the left Auxiliary #1 input, LAUX1, (bypassing the gain) to the input mixer, is muted. In MODEs 1 & 2, this bit is not avail- able and is internally controlled by LSS1,0 in I0. LX1IM Left Auxiliary #1 Mute. In MODE 3, when set, the left Auxiliary #1 input, LAUX1, to the input mixer through the gain stage, is muted. In MODEs 1 & 2, this bit is not avail- able and internally forced on (muted). LX1OM Left Auxiliary #1 Mute. When set to 1, the left Auxiliary #1 input, LAUX1, to the output mixer through the gain stage, is muted. Right Auxiliary #1 Volume (I3) Default = 11101000 D7 D6 D5 D4 D3 D2 D1 D0 RX1OM RX1IM RX1BM RX1G4 RX1G3 RX1G2 RX1G1 RX1G0 RX1G4-RX1G0 Right Auxiliary #1, RAUX1, Mix Gain. The least significant bit represents 1.5 dB, with 01000 = 0 dB. See Table 10. RX1BM Right Auxiliary #1 Bypass Mute. In MODE 3, when set, the right Auxil- iary #1 input, RAUX1, (bypassing the gain) to the input mixer is muted. In MODEs 1 & 2, this bit is not avail- able and is internally controlled by RSS1,0 in I1. RX1IM Right Auxiliary #1 Mute. When set to 1, the right Auxiliary #1 input, RAUX1, to the input mixer through the gain stage, is muted. In MODEs 1 & 2, this bit is not avail- able and internally forced on (muted). RX1OM Right Auxiliary #1 Mute. When set to 1, the right Auxiliary #1 input, RAUX1, to the output mixer through the gain stage, is muted. LX1G4-G0 LAUX1 (Line In) LX1IM LX1OM LX1BM To Output Mixer To Input Mixer +12 to -34.5 dB RX1G4-G0 RAUX1 (Line In) RX1IM RX1OM RX1BM To Output Mixer To Input Mixer +12 to -34.5 dB DS213PP4 CS4237B 36 |
Similar Part No. - CS4237B |
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Similar Description - CS4237B |
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