Philips Semiconductors
Preliminary specification
Sound fader control circuit
TEA6320
Table 2 Definition of third byte after MAD and SAD
MSB
LSB
FUNCTION
BIT
7
6
5
4
3
2
1
0
Volume/loudness
Fader front right
Fader front left
Fader rear right
Fader rear left
Bass
V
ZCM(1) LOFF(2)
V5(3)
V4(3)
V3(3)
V2(3)
V1(3)
V0(3)
FFR
FFL
X(4)
X(4)
X(4)
X(4)
X(4)
X(4)
X(4)
X(4)
X(4)
FFR5(5) FFR4(5) FFR3(5) FFR2(5) FFR1(5) FFR0(5)
FFL5(6) FFL4(6) FFL3(6) FFL2(6) FFL1(6) FFL0(6)
FRR5(7) FRR4(7) FRR3(7) FRR2(7) FRR1(7) FRR0(7)
FRL5(8) FRL4(8) FRL3(8) FRL2(8) FRL1(8) FRL0(8)
X(4)
X(4)
X(4)
FRR
FRL
BA
TR
S
X(4)
X(4)
X(4)
BA4(9)
TR4(10) TR3(10) TR2(10) TR1(10) TR0(10)
X(4) X(4) SC2(12) SC1(12) SC0(12)
BA3(9)
BA2(9)
BA1(9)
BA0(9)
Treble
X(4)
Switch
GMU(11)
Notes
1. Zero crossing mode.
2. Switch loudness on/off.
3. Volume control.
4. Don’t care bits (logic 1 during testing).
5. Fader control front right.
6. Fader control front left.
7. Fader control rear right.
8. Fader control rear left.
9. Bass control.
10. Treble control.
11. Mute control for all outputs (general mute).
12. Source selector control.
1995 Dec 19
12