Philips Semiconductors
Preliminary specification
Sound fader control circuit
TEA6320
Table 5 Bass setting
DATA
BA2
Gbass
(dB)
BA4
BA3
BA1
BA0
+15.0
+13.5
+15.0
+13.5
+15.0
+13.5
+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
−13.5
−15.0
−13.5
−15.0
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 four bass control data words mute the bass response.
4. The last bass control and treble control data words (00000) enable the external equalizer connection.
1995 Dec 19
17