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ADAU1361BCPZ-R7 数据表(PDF) 72 Page - Analog Devices |
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ADAU1361BCPZ-R7 数据表(HTML) 72 Page - Analog Devices |
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72 / 81 page ![]() ADAU1361 Rev. C | Page 71 of 80 R38: DAC Control 2, 16,428 (0x402C) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RDAVOL[7:0] Table 65. DAC Control 2 Register Bits Bit Name Description [7:0] RDAVOL[7:0] Controls the digital volume attenuation for right channel inputs from the right DAC. Each bit corresponds to a 0.375 dB step with slewing between settings. See Table 73 for a complete list of the volume settings. Setting Volume Attenuation 00000000 0 dB (default) 00000001 −0.375 dB 00000010 −0.75 dB … … 11111110 −95.25 dB 11111111 −95.625 dB R39: Serial Port Pad Control, 16,429 (0x402D) The optional pull-up/pull-down resistors are nominally 250 kΩ. When enabled, these pull-up/pull-down resistors set the serial port signals to a defined state when the signal source becomes three-state. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 ADCSDP[1:0] DACSDP[1:0] LRCLKP[1:0] BCLKP[1:0] Table 66. Serial Port Pad Control Register Bits Bit Name Description [7:6] ADCSDP[1:0] ADC_SDATA pad pull-up/pull-down configuration. Setting Configuration 00 Pull-up 01 Reserved 10 None (default) 11 Pull-down [5:4] DACSDP[1:0] DAC_SDATA pad pull-up/pull-down configuration. Setting Configuration 00 Pull-up 01 Reserved 10 None (default) 11 Pull-down [3:2] LRCLKP[1:0] LRCLK pad pull-up/pull-down configuration. Setting Configuration 00 Pull-up 01 Reserved 10 None (default) 11 Pull-down [1:0] BCLKP[1:0] BCLK pad pull-up/pull-down configuration. Setting Configuration 00 Pull-up 01 Reserved 10 None (default) 11 Pull-down |
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