AD1937 AD [Analog Devices], AD1937 Datasheet - Page 30

• Manufacturer Part Number: AD1937
• Description: Four ADCs/Eight DACs with PLL, 192 kHz, 24-Bit Codec
• Manufacturer: AD [Analog Devices]

AD1937
Table 28. DACxx Volume Controls Registers (Address 6 to Address 13, 0x06 to 0x0D)
Bit
7:0
ADC CONTROL REGISTERS
Table 29. ADC Control 0 Register (Address 14, 0x0E)
Bit
0
1
2
3
4
5
7:6
Table 30. ADC Control 1 Register (Address 15, 0x0F)
Bit
1:0
4:2
6:5
7
Value
0
1 to 254
255
Value
0
1
0
1
0
1
0
1
0
1
0
1
00
01
10
11
Value
00
01
10
11
000
001
010
011
100
101
110
111
00
01
10
11
0
1
Function
No attenuation
−0.375 dB per step
Full attenuation
Function
Normal
Power down
Off
On
Unmute
Mute
Unmute
Mute
Unmute
Mute
Unmute
Mute
32 kHz/44.1 kHz/48 kHz
64 kHz/88.2 kHz/96 kHz
128 kHz/176.4 kHz/192 kHz
Reserved
Function
24 bits
20 bits
Reserved
16 bits
1 cycle (I
0 (left-justified mode)
8 cycles (right-justified 24-bit mode)
12 cycles (right-justified 20-bit mode)
16 cycles (right-justified 16-bit mode)
Reserved
Reserved
Reserved
Stereo
TDM single-line, standalone, and daisy-chain modes
TDM/AUX mode (ADC-, DAC-, TDM-coupled)
Reserved
Latch in midcycle (normal)
Latch in at end of cycle (pipeline)
2
S mode)
Rev. 0 | Page 30 of 36
Description
DAC volume control
Description
Power-down
High-pass filter
ADC1L mute
ADC1R mute
ADC2L mute
ADC2R mute
Output sample rate
Description
Word width
ASDATA delay (BCLK periods)
Serial format
ABCLK active edge (TDM_IN)