WM8580
Production Data
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R52
READBACK
34h
2:0
READMUX
[2:0]
000
Determines which status register is to be read back:
000 = Error Register
001 = Channel Status Register 1
010 = Channel Status Register 2
011 = Channel Status Register 3
100 = Channel Status Register 4
101 = Channel Status Register 5
110 = S/PDIF Status Register
3
CONTREAD
READEN
RESET
0
0
Continuous Read Enable.
0 = Continuous read-back mode disabled
1 = Continuous read-back mode enabled
Read-back mode enable.
4
0 = read-back mode disabled
1 = read-back mode enabled
R53
RESET
35h
8:0
n/a
Writing to this register will apply a reset to the device registers.
DIGITAL FILTER CHARACTERISTICS
PARAMETER
TEST CONDITIONS
ADC Filter
MIN
TYP
MAX
0.4535fs
0.01
UNIT
Passband
0.01 dB
-6dB
0
0.5fs
Passband ripple
Stopband
dB
dB
0.5465fs
-65
Stopband Attenuation
f > 0.5465fs
DAC Filter
Passband
0.05 dB
-3dB
0.444fs
0.05
0.487fs
Passband ripple
Stopband
dB
dB
0.555fs
-60
Stopband Attenuation
f > 0.555fs
Table 77 Digital Filter Characteristics
PD Rev 4.3 August 2007
90
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
