Philips Semiconductors
Preliminary specification
Stereo audio codec with SPDIF interface
UDA1355H
BIT
SYMBOL
DESCRIPTION
6
BB_FIX
Resonant bass boost coefficient. If this bit is logic 0 then the resonant bass boost
coefficient is finished loading; if this bit is logic 1 then the resonant bass boost coefficient
is loading to register.
5 and 4
3 to 0
TRR[1:0]
BBR[3:0]
Treble settings right. Value to program the right treble setting. The used filter set is
selected by the sound feature mode bits M1 and M2 (see Table 44).
Normal bass boost settings right. Value to program the right bass boost settings. The
used filter set is selected by the sound feature mode bits M1 and M2 (see Table 45).
Table 44 Treble settings
TRL1
TRR1
TRL0
FLAT SET (dB)
MIN. SET (dB)
MAX. SET (dB)
TRR0
0
0
1
1
0
1
0
1
0
0
0
0
0
2
4
6
0
2
4
6
Table 45 Normal bass boost settings; note 1
BBL3
BBR3
BBL2
BBR2
BBL1
BBR1
BBL0
BBR0
FLAT SET (dB) MIN SET (dB) MAX SET (dB)
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
4
4
6
6
8
8
10
12
14
16
18
18
18
18
18
18
18
10
12
14
16
18
20
22
24
24
24
24
Note
1. The bass boost setting is only effective when bit BASS_SEL = 0.
2003 Apr 10
48
NXP [ NXP ]
