Philips Semiconductors
Preliminary specification
Economy audio CODEC for MiniDisc (MD)
home stereo and portable applications
UDA1341TS
7.21.2.3 Treble
7.21.2.6 Mute
A 2-bit value to program the treble setting. The used set
depends on the mode bits. The default setting is given in
Table 5.
A 1-bit value to enable the digital mute. The default setting
is given in Table 5.
Table 23 Mute settings
Table 20 Treble settings
MT
FUNCTION
TREBLE
0
1
no mute
mute
TR1
TR0
FLAT
(dB)
MIN.
(dB)
MAX.
(dB)
7.21.2.7 Mode
0
0
1
1
0
1
0
1
0
0
0
0
0
2
4
6
0
2
4
6
A 2-bit value to program the mode of the sound processing
filters of bass boost and treble. The default setting is given
in Table 5.
Table 24 Mode filter switch settings
7.21.2.4 Peak detection position
M1
M0
FUNCTION
A 1-bit value to control the position of the peak level
detector in the signal processing path. The default setting
is given in Table 5.
0
0
1
1
0
1
0
1
flat
minimum
minimum
maximum
Table 21 Peak detection position settings
PP
FUNCTION
before tone features
after tone features
0
1
7.21.2.5 De-emphasis
A 2-bit value to enable the digital de-emphasis filter.
The default setting is given in Table 5.
Table 22 De-emphasis settings
DE1
DE0
FUNCTION
no de-emphasis
0
0
1
1
0
1
0
1
de-emphasis: 32 kHz
de-emphasis: 44.1 kHz
de-emphasis: 48 kHz
1998 Dec 18
17
NXP [ NXP ]
