wm8742 Wolfson Microelectronics plc, wm8742 Datasheet - Page 45

• Manufacturer Part Number: wm8742
• Description: 24-bit 192khz Dac With Advanced Digital Filtering
• Manufacturer: Wolfson Microelectronics plc

Production Data
Table 53 R0 DACL LSB Attenuation Control Register
Table 54 R1 DACL MSB Attenuation Control Register
Table 55 R2 DACR LSB Attenuation Control Register
Table 56 R3 DACR MSB Attenuation Control Register
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REGISTER
Attenuation
REGISTER
Attenuation
REGISTER
Attenuation
REGISTER
Attenuation
DACRMSB
ADDRESS
ADDRESS
DACLMSB
ADDRESS
ADDRESS
DACRLSB
DACLLSB
00h
01h
02h
03h
R0
R1
R2
R3
BITS
BITS
BITS
BITS
[4:0]
[4:0]
[4:0]
[4:0]
5
5
5
5
UPDATE
UPDATE
UPDATE
UPDATE
RAT[4:0]
RAT[9:5]
LAT[4:0]
LAT[9:5]
NAME
NAME
NAME
NAME
DEFAULT
DEFAULT
DEFAULT
DEFAULT
00 (0dB)
00 (0dB)
00 (0dB)
00 (0dB)
0
0
0
0
DESCRIPTION
LSBs of attenuation data for left channel in 0.125dB steps. See Table
25 for details.
Attenuation data load control for left channel.
0 = Store LAT[4:0] value but don’t update
1 = Store LAT[4:0] and update attenuation on registers 0-3
DESCRIPTION
MSBs of attenuation data for left channel in 4dB steps. See Table 25
for details.
Attenuation data load control for left channel.
0 = Store LAT[9:5] value but don’t update
1 = Store LAT[9:5] and update attenuation on registers 0-3
DESCRIPTION
LSBs of attenuation data for right channel in 0.125dB steps. See
Table 25 for details.
Attenuation data load control for right channel.
0 = Store RAT[4:0] value but don’t update
1 = Store RAT[4:0] and update attenuation on registers 0-3
DESCRIPTION
MSBs of attenuation data for right channel in 4dB step. See Table 25
for details.
Attenuation data load control for right channel.
0 = Store RAT[9:5] value but don’t update
1 = Store RAT[9:5] and update attenuation on registers 0-3
PD, Rev 4.2, August 2009
WM8742
45