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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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CS4298 Arkusz danych(PDF) 30 Page - Cirrus Logic |
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CS4298 Arkusz danych(HTML) 30 Page - Cirrus Logic |
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30 / 52 page  CS4298 30 DS315PP2 6.1.19 Center LFE Volume (Index 36h) LFE[5:0] LFE Volume. Least significant bit represents -1.5 dB with 00000 = 0 dB. The total range is 0 dB to - 94.5 dB. CNT[5:0] Center Volume.Least significant bit represents -1.5 dB with 00000 = 0 dB. The total range is 0 dB to - 94.5 dB. Default 8080h, indicating mute with 0 dB attenuation. 6.1.20 LR Surround Volume (Index 38h) LSR[5:0] Left Surround Volume. Least significant bit represents -1.5 dB with 00000 = 0 dB. The total range is 0 dB to -94.5 dB. RSR[5:0] Right Surround Volume. Least significant bit represents -1.5 dB with 00000 = 0 dB. The total range is 0 dB to -94.5 dB. Default 8080h, indicating 0 dB attenuation. 6.1.21 Extended Modem ID (Index 3Ch) HSET Handset. Indicates handset ADC/DAC is supported. LIN1 Line 1. When set, indicates 1st line is supported. LIN2 Line 2. When set, indicates 2nd line is supported. ID[1:0] Codec configuration ID. Primary is 00; Secondary is 01,10,or 11. This is a reflection of the configuration pins. The state of the ID# pins are determined at power-up and are the inverse of the ID bits in this reg- ister. Default Mode 0 x005h Mode 1 x003h Mode 2 x001h Mode 3 x000h Where x is determined by the state of ID[1:0] input pins. The Extended Modem ID is a read/write register that identifies the Codec’s modem capabilities. This register reports the features available based on the basic operating mode determined by MD[1:0] of AC Mode (Index 5Eh) register. Writing any value to this location issues a reset to the modem regis- ters (Index 3Ch-56h). Audio registers are not reset by a write to this location. NOTE: All GPIO registers (Index 46h-54h) are reset by any write to this location. D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Mute LFE5 LFE4 LFE3 LFE2 LFE1 LFE0 Mute CNT5 CNT4 CNT3 CNT2 CNT1 CNT0 LFE[5:0]/LSR[5:0] CNT[5:0]/RSR[5:0] Write LFE[5:0]/LSR[5:0] CNT[5:0]/RSR[5:0] Read Gain Level 000000 000000 0 dB 000001 000001 -1.5 dB …… ... 111111 111111 -94.5 dB Table 6. 6 Channel Volume Attenuation D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Mute LSR5 LSR4 LSR3 LSR2 LSR1 LSR0 Mute RSR5 RSR4 RSR3 RSR2 RSR1 RSR0 Mode D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 0 ID1 ID0 HSET LIN1 1 ID1 ID0 LIN2 2 ID1 ID0 LIN1 3 ID1 ID0 |
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