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ADAU1961WBCPZ-R7 数据表(PDF) 48 Page - Analog Devices |
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ADAU1961WBCPZ-R7 数据表(HTML) 48 Page - Analog Devices |
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48 / 73 page ![]() Data Sheet ADAU1961 CONTROL REGISTERS analog.com Rev. B | 48 of 73 Table 31. Record Mixer Right (Mixer 2) Control 0 Register (Continued) Bits Bit Name Description 110 3 dB 111 6 dB 0 MX2EN Right channel mixer enable in the record path. Referred to as Mixer 2. 0 = mixer disabled (default). 1 = mixer enabled. R7: Record Mixer Right (Mixer 2) Control 1, 16,397 (0x400D) This register controls the gain boost of the right channel differential PGA input and the gain for the right channel auxiliary input in the record path. The right channel record mixer is referred to as Mixer 2. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved RDBOOST[1:0] MX2AUXG[2:0] Table 32. Record Mixer Right (Mixer 2) Control 1 Register Bits Bit Name Description [4:3] RDBOOST[1:0] Right channel differential PGA input gain boost, input to Mixer 2. The right differential input uses the RINP (positive signal) and RINN (negative signal) pins. Setting Gain Boost 00 Mute (default) 01 0 dB 10 20 dB 11 Reserved [2:0] MX2AUXG[2:0] Right single-ended auxiliary input gain from the RAUX pin in the record path, input to Mixer 2. Setting Auxiliary Input Gain 000 Mute (default) 001 −12 dB 010 −9 dB 011 −6 dB 100 −3 dB 101 0 dB 110 3 dB 111 6 dB R8: Left Differential Input Volume Control, 16,398 (0x400E) This register enables the differential path and sets the volume control for the left differential PGA input. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 LDVOL[5:0] LDMUTE LDEN Table 33. Left Differential Input Volume Control Register Bits Bit Name Description [7:2] LDVOL[5:0] Left channel differential PGA input volume control. The left differential input uses the LINP (positive signal) and LINN (negative signal) pins. Each step corresponds to a 0.75 dB increase in gain. See Table 69 for a complete list of the volume settings. Setting Volume 000000 −12 dB (default) 000001 −11.25 dB |
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