Philips Semiconductors
Sound fader control circuit
Preliminary specification
TEA6322T
Table 7 Loudness setting
CHARACTERISTIC
With loudness
Linear
DATA LOFF
0
1
Table 8 Selected input
FUNCTION
DATA
SC2 SC1 SC0
Stereo inputs IAL and IAR
1
1
1
Stereo inputs IBL and IBR
1
1
0
Stereo inputs ICL and ICR
1
0
1
Stereo inputs IDL and IDR
1
0
0
(Stereo inputs) IAL and IAR 0
1
1
Differential inputs IAL, IAR
0
1
0
and COM
No input (input mute)
0
0
1
Mono input COM
0
0
0
Table 9 Mute mode
FUNCTION
Direct mute off
Mute off delayed until the next zero
crossing
Direct mute
Mute delayed until the next zero
crossing
DATA
GMU
0
0
ZCM
0
1
1
0
1
1
1995 Dec 19
19