Production Data
REGISTER
ADDRESS
R5
Format
Control
05h
BITS
[1:0]
NAME
IWL[1:0]
[3:2] FMT[1:0]
4
LRP
5
BCP
6
REV
7
PWDN
Table 58 R5 Format Control Register
REGISTER
ADDRESS
R6
Filter Control
06h
BITS
[2:0]
NAME
FIRSEL
[4:3] DSDFILT
[6:5] DEEMPH
[1:0]
7
ZFLAG_HI
Table 59 R6 Filter Control Register
DEFAULT DESCRIPTION
10
Audio interface input word length.
00 = 16-bit
01 = 20-bit
10 = 24-bit
11 = 32-bit
10
Audio data format select.
00 = right justified mode
01 = left justified mode
10 = I2S mode
11 = DSP mode
0
Polarity select for LRCLK/DSP mode select.
0 = normal LRCLK polarity/DSP mode A
1 = inverted LRCLK polarity/DSP mode B
0
BCLK / DSD64CLK polarity select:
0 = normal polarity
1 = inverted polarity
0
Analogue output phase control:
0 = Normal
1 = Inverted
0
Power Down Mode Select:
0 = Normal Mode
1 = Power Down Mode
DEFAULT DESCRIPTION
000
Select advanced digital filter response:
000 = Response 1
001 = Response 2
010 = Response 3
011 = Response 4
100 = Response 5
00
Select DSD compensation filter response:
00 = Response 1
01 = Response 2
10 = Response 3
11 = Response 4
00
De-emphasis mode select:
00 = De-emphasis Off
01 = De-emphasis 32kHz
10 = De-emphasis 44.1kHz
11 = De-emphasis 48kHz
0
ZFLAG Force High Control
0 = Normal operation
1 = Output Logic 1
WM8741
w
PD, Rev 4.3, February 2013
47