Philips Semiconductors
Preliminary specification
Sound fader control circuit
TEA6320
Table 6 Treble setting
DATA
TR2
Gtreble
(dB)
TR4
TR3
TR1
TR0
+12.0
+10.5
+12.0
+10.5
+12.0
+10.5
+12.0
+10.5
+9.0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
+7.5
+6.0
+4.5
+3.0
+1.5
0(1)
0(2)
−1.5
−3.0
−4.5
−6.0
−7.5
−9.0
−10.5
−12.0
note 3
note 3
note 3
note 3
note 3
note 3
note 3
notes 3 and 4
Notes
1. Recommended data word for step 0 dB.
2. Result of 1.5 dB boost and 1.5 dB attenuation.
3. The last eight treble control data words select treble output.
4. The last treble control and bass control data words (00000) enable the external equalizer connection.
1995 Dec 19
18
NXP [ NXP ]
