adau1461 Analog Devices, Inc., adau1461 Datasheet - Page 73

• Manufacturer Part Number: adau1461
• Description: Sigmadsp Stereo, Low Power, 96 Khz, 24-bit Audio Codec With Integrated Pll Adau1461
• Manufacturer: Analog Devices, Inc.

R38: DAC Control 2, 16,428 (0x402C)
Bit 7
Table 70. DAC Control 2 Register
Bits
[7:0]
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
Table 71. Serial Port Pad Control Register
Bits
[7:6]
[5:4]
[3:2]
[1:0]
Bit Name
RDAVOL[7:0]
Bit Name
ADCSDP[1:0]
DACSDP[1:0]
LRCLKP[1:0]
BCLKP[1:0]
ADCSDP[1:0]
Bit 6
Bit 6
Description
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 92 for a complete list of the volume settings.
Setting
00000000
00000001
00000010
…
11111110
11111111
Description
ADC_SDATA pad pull-up/pull-down configuration.
Setting
00
01
10
11
DAC_SDATA pad pull-up/pull-down configuration.
Setting
00
01
10
11
LRCLK pad pull-up/pull-down configuration.
Setting
00
01
10
11
BCLK pad pull-up/pull-down configuration.
Setting
00
01
10
11
Bit 5
Bit 5
DACSDP[1:0]
Bit 4
Bit 4
Volume Attenuation
0 dB (default)
−0.375 dB
−0.75 dB
…
−95.25 dB
−95.625 dB
Configuration
Pull-up
Reserved
None (default)
Pull-down
Configuration
Pull-up
Reserved
None (default)
Pull-down
Configuration
Pull-up
Reserved
None (default)
Pull-down
Configuration
Pull-up
Reserved
None (default)
Pull-down
Rev. 0 | Page 73 of 88
RDAVOL[7:0]
Bit 3
Bit 3
LRCLKP[1:0]
Bit 2
Bit 2
Bit 1
Bit 1
BCLKP[1:0]
ADAU1461
Bit 0
Bit 0