CS4362 Datasheet, PDF (19/40 Pages) Cirrus Logic – 114 dB, 192 kHz 6-Channel D/A Converter

CS4362
3.3.6 MUTE PIN CONTROL(MUTEC1, MUTEC0)
Default = 00
00 - Six mute control signals
01 - Three mute control signals
10 - One mute control signal
11 - Reserved
Function:
Selects how the internal mute control signals are routed to the MUTEC1 through MUTEC6 pins.
When set to ‘00’, there is one mute control signal for each channel: AOUT1A on MUTEC1, AOUT1B
on MUTEC2, etc. When set to ‘01’, there are three mute control signals, one for each stereo pair:
AOUT1A and AOUT1B on MUTEC1, AOUT2A and AOUT2B on MUTEC2, and AOUT3A and
AOUT3B on MUTEC3. When set to ‘10’, there is a single mute control signal on the MUTEC1 pin.
3.4 Filter Control (address 04h)
7
Reserved
0
6
Reserved
0
5
Reserved
0
4
FILT_SEL
0
3
Reserved
0
2
DEM1
0
1
DEM0
0
0
RMP_DN
0
3.4.1 INTERPOLATION FILTER SELECT (FILT_SEL)
Default = 0
0 - Fast roll-off
1 - Slow roll-off
Function:
This Function allows the user to select whether the interpolation filter has a fast or slow roll off. For
filter characteristics please see Section 1.
3.4.2 DE-EMPHASIS CONTROL (DEM)
Default = 00
00 - Disabled
01 - 44.1 kHz
10 - 48 kHz
11 - 32 kHz
Function:
Selects the appropriate digital filter to maintain the standard 15 µs/50 µs digital de-emphasis filter re-
sponse at 32, 44.1 or 48 kHz sample rates. (see Figure 39)
De-emphasis is only available in Single Speed Mode.
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